Re: 3640 Access server ISDN and PSTN Dial in

[Adam Burgess]

Charles,

Here is a cut of a config I use on a 3640 to achive this (This router has 12
MICA modems in slot 1 - the remainder of the PRI timeslots are used for
incoming ISDN calls):

controller E1 2/0
 pri-group timeslots 1-31
!
interface Serial2/0:15
 ip unnumbered Loopback0
 no ip directed-broadcast
 encapsulation ppp
 isdn switch-type primary-net5
 isdn incoming-voice modem
 no peer default ip address
 ppp authentication pap
 ppp multilink
!
interface Group-Async 1
 ip unnumbered Loopback0
 no ip directed-broadcast
 encapsulation ppp
 ip tcp header-compression passive
 async mode dedicated
 peer default ip address pool default
 no cdp enable
 ppp authentication pap
 group-range 33 44

Regards

Adam Burgess

- Original Message -
From: "Clare, Charles" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 12, 2001 11:10 PM
Subject: 3640 Access server ISDN and PSTN Dial in


>
> Hi All.
>
> Trying to set up a 3640 for ISDN and PSTN Dial in.  Have E1 and 30
> Digital Modems.  Have set-up a Group-Async for Modem uses and all works
> fine.  Question is how do I set up so ISDN callers are handled in the same
> way.  Does not seem to be a Group-Dialer command.  Does it require me to
> setup 30 Dialler interfaces ?
>
> Thanks in advance.
>
>
>
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Re: In the market to buy routers

[Paul Mandella]

Check out www.kg2.com  I have ordered lab routers from there, all went very
well.. Have fun.Paul
""Billy Bob"" <[EMAIL PROTECTED]> wrote in message
969aeu$um5$[EMAIL PROTECTED]">news:969aeu$um5$[EMAIL PROTECTED]...
> Hello,
> If anyone out there has spare equipment or looking to unload their lab, I
am
> looking to setup my home lab in the near future.  I am in the market for
> 25xx or 26xx routers and 19xx or 29xx switch.
>
> Thanks,
> BB
>
>
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Re: Problem with Cisco 2620 (24MB RAM/8MB Flash) keep rebooting

[Erick B.]

Can you TFTP boot off your previous image or another
image? You have 24meg DRAM total but the router takes
a chunk of that for shared memory thus I'm suspecting
that the total main DRAM (total minus shared) is less
then 20. You can check this by doing a 'show version'
and seeing how much you have. Plug your router model
and modules through the HW/SW compatibility matrix and
see if this is a good version of IOS to support your
hardware modules as well.

On a 2600, it will look something like:

cisco 2610 () processor (revision...) with ###/###
bytes of memory.   

###/### == main/shared

HTH, Erick

--- David Tran <[EMAIL PROTECTED]> wrote:
> Hi Everyone,
> I have a cisco router 2620 that was running fine
> until Sunday when I =
> decided to upgrade the router=20
> with a new IOS.  The new IOS image is specifically
> for cisco2610-2621.  =
> However, after upgrading
> the flash and reboot the router, my Fast Ethernet
> Interface (f0/0) is =
> completely gone from the=20
> configuration file.  Furthermore, the IOS image file
> on the flash is =
> also gone.  So I tried to bootup
> the router via tftp server.  The router can see the
> tftp server and load =
> the image into memory. =20
> However, after loading the image into memory (RAM),
> the router just =
> keeps rebooting itself=20
> (running in a loop) and each time this is the
> message that I keep =
> getting:
> 
> SYSTEM INIT: INSUFFICIENT MEMORY TO BOOT THE IMAGE!
> 
> Is this because 24MB is not sufficient?  The IOS
> image that I use is: =
> c2600-i-mz.120-5.T1.bin=20
> Cisco says that this image only requires 20MB of RAM
> and 8MB of Flash.  =
> As of now, the router=20
> just keeps running in a loop.
> 
> Can anyone help me with this problem? =20
> 
> 
> Cisco Internetwork Operating System Software
> IOS (tm) C2600 Software (C2600-D-M), Version
> 12.0(5)T1,  RELEASE =
> SOFTWARE (fc1)
> Copyright (c) 1986-1999 by cisco Systems, Inc.
> Compiled Tue 17-Aug-99 13:11 by cmong
> Image text-base: 0x80008088, data-base: 0x80859E60
> 
> 
> SYSTEM INIT: INSUFFICIENT MEMORY TO BOOT THE IMAGE!
> 
> 
> System Bootstrap, Version 11.3(2)XA4, RELEASE
> SOFTWARE (fc1)
> Copyright (c) 1999 by cisco Systems, Inc.
> TAC:Home:SW:IOS:Specials for info
> C2600 platform with 24576 Kbytes of main memory
> 
> David Tran
> [EMAIL PROTECTED]
> 
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Re: Erasing a image from flash in 11.2

[Erick B.]

If I recall correctly, you can mark the files for
deletion on a 3600 but the 3600 series uses a flash
type that you can't squeeze to regain space. You need
to erase the contents of the whole partition to free
the space. If you only have one partition then you
need to erase the flash and TFTP the image back down.
I'm not sure why it lets you mark files for deletion
if you have to erase flash to regain space.

I can't find the cisco page on this at moment, but do
have it bookmarked on my other PC. I'll follow up with
the URL tomorrow.

Erick

--- "Roberts, Timothy" <[EMAIL PROTECTED]>
wrote:
> 
> How do I erase one of the three images on the flash
> card of a 3640 running
> 11.2?
> Thanks


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Re: how to configure US robotic modem on a 2620 router

[Erick B.]

I get the best results w/USRs by setting them to dumb
mode, auto-answer, echo off, and default factory
settings. The jumpers are on the back edge or bottom
on the USRs depending on model. Newer ones are on
back. There should be a little chart on bottom with
what each DIP switch is for.

This way the modem has less chance to get screwed up
and it will work fine a majority of the time. Some
routers (3Com NB's particularly) have issues with echo
locking up the port they're hanging off of. Your
milage may vary...

--- John Chambers <[EMAIL PROTECTED]>
wrote:
> How do I set the jumper on the modem in order for it
> to work with a
> cisco router 2620?  Thanks.
> 
> John Chambers
> 
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> Report misconduct and Nondisclosure violations to
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CCIE

[Prame Tiwari]

I am an IT recruiter in Toronto and I am looking for a CISCO =
professional who has passed both the written exam and the lab for the =
CCIE. If you know of any professional in this category, please let =
him/her call me. I have a great opportunity that I would like to discuss =
with them.=20

If you do NOT know of any professional who have passed both exams, but =
you know someone who has passed one, please refer him/her to me, please.

My name is Prame Tiwari and I can be reached at 1-800-311-2828 Extension =
230 or locally at (416) 489-4334 Extension 230.

Thank you very much.

Sincerely,

Prame Tiwari
1-800-311-2828 Ext 230
(416) 489-4334 Ext 230
email: [EMAIL PROTECTED]


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CCNP Security Specialization

[imran obaidullah]

Hi Friends,

For getting CCNP securtiy Specialization, do I need to take all this exams.

1. 640-442 MCNS

Managing Cisco Network Security (MCNS)

2. 9E0-571 CSPFA

Cisco Secure PIX Firewall Advanced (CSPFA)
(see also prerequisite course Cisco Secure PIX Firewall Fundamentals CSPFF)


3. 9E0-558 CSIDS
(formerly NRIO)

Cisco Secure Intrusion Detection System (CSIDS)
(formerly NRIO)

4. 9E0-570 CSVPN

Cisco Secure VPN (CSVPN)


Any idea about the books I need to buy. Please help me.

Regards,
imran


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Help User Acess Verification password?????????/

[Richard Spencer]

Hi I am very new to this cisco router stuff, I have a cisco 800 series (803)
with version 12.0 software for cisco,

it comes up with User Access Verification
password


is there a default password i can put in so that I am then able to do the
erase command and configurer it for myself

thanks guys

richo


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Re: CCIE R&S Going to be Replaced..!!

[Howard C. Berkowitz]

>On Mon, 12 Feb 2001, Mask Of Zorro wrote:
>
>>  Yes, the written exam is going to be changed to a jury based oral
>>  examination. You will be seated in a wooden chair in the middle of a large,
>>  cold room. Bright lights will be pointed at your face. Then, a group of 6 to
>>  8 Cisco engineers will begin to ask you questions about the technologies
>>  covered in the CCIE blue print. Each time you miss a question you will be
>>  lanced with hot pokers.
>>
>>  If you pass the oral exam, they will tie you to the chair, carry you out the
>>  back door, and throw you in the river to see if you float. If you don't
>>  float, you were a CCIE lab candidate. If you do float, you are a witch and
>  > will be burned at the stake.

Are you saying that the higher-numbered next hop is a witch in:

ip route 0.0.0.0 0.0.0.0 192.168.0.1 100
ip route 0.0.0.0 0.0.0.0 192.168.1.1 200

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how to configure US robotic modem on a 2620 router

[John Chambers]

How do I set the jumper on the modem in order for it to work with a
cisco router 2620?  Thanks.

John Chambers

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Re: Passed BCMSN Today

[Lee Miller]

Congrats!

"Manny Colon" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> All
>
> Passed BCMSN exam today with of a score of 830. On to the Routing exam.
> Thank you very much for all of your support !!!
>
> --
> Regards,
>
> Manny Colon
> Computer Services
> Information Builders Inc.
>
>
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RE: DHCP not working on new vlan design

[Andrew Cook]

Do you have portfast enabled on the end-user ports?  They could be timing
out for DHCP before spanning tree brings them up.  With your setup it sounds
like you could turn spanning tree off if you wanted.  I rarely do because
you never know when someone will create a loop, so I'd recommend portfast
instead.
Also check your trunks to make sure they all have the same native vlan if
you use dot1q.  Crazy things can happen if both sides of a trunk have
different native vlans.

Andrew Cook


> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> max hill
> Sent: Monday, February 12, 2001 9:36 PM
> To: [EMAIL PROTECTED]
> Subject: DHCP not working on new vlan design
>
>
> Have not seen this one, any feedback would be great!
>
> Topology:
> Have 2-5509/2sups/2RSFC
> 1-remote building with 5509 (single fiber between)
> 1-corp building with 5509
>
> 3548/24 for both locations for end user wire rooms
>
> Running 802.1Q, trunking/etherchannels between
> 3500 and 5509. Trunking between 5509 to 5509.
>
> On the 3500 assigning users of ports to vlan.
> So if Joe in acct is on port 1, he goes to acct vlan.
>
> Problem:
> When took users to (new network) new 3500, having
> major DHCP problems. It is having major problems
> obtaining DHCP IP addresses.  For exp. some in vlan 20
> get ip, while others in 20 dont. Took my laptop and
> assigned to different vlans. Could get ip for vlan 15,
> but not vlan 10. (assigned prot to both
> vlans at the time trying to obtain an ip).
>
> There is not a constant or regular pattern to this,
> very various in obtaining ip. So had to give statics
> now.Using Win2000 for DHCP.
>
> Also, while doing debug arp found some interesting
> behavior:0050.0488.6c20 000 0.. wrong cable,
> interface Vlan9,
>
> DUPADDR: Duplicate address on Vlan182,
>
> IP ARP: creating incomplete entry for IP address
>
> Has anyone seen this type of behavior? I am at odds,
> any suggestion and feedback!
>
> thanks
> max
> [EMAIL PROTECTED]
>
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AppleTalk Question on CCNP Support Exam

[Wibowo Nur Susetio]

Dear Ciscoers

please anybody give me a remarks of CCNP Support Exam for AppleTalk
Questions!!!


Tks

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Re: DHCP not working on new vlan design

[Gordon White]

I will also suggest 'portfast'.  We had the exact same problem about
three years ago.  Also, maybe check ip helper addresses are correct?

Santosh Koshy wrote:
> 
> This is exactly what happened to me when i installed my 5509 switch And
> i am also using win2k for DHCP..  The fix is to enable "portfast" on the
> switch ports.. Only enable them on the ports that are attached to end
> stations (not to other bridges, switches or routers)
> 
> Here is an URL that come in handy
> http://www.cisco.com/warp/customer/473/12.html
> 
> tell me how it went...
> 
> Santosh
> 
> "max hill" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Have not seen this one, any feedback would be great!
> >
> > Topology:
> > Have 2-5509/2sups/2RSFC
> > 1-remote building with 5509 (single fiber between)
> > 1-corp building with 5509
> >
> > 3548/24 for both locations for end user wire rooms
> >
> > Running 802.1Q, trunking/etherchannels between
> > 3500 and 5509. Trunking between 5509 to 5509.
> >
> > On the 3500 assigning users of ports to vlan.
> > So if Joe in acct is on port 1, he goes to acct vlan.
> >
> > Problem:
> > When took users to (new network) new 3500, having
> > major DHCP problems. It is having major problems
> > obtaining DHCP IP addresses.  For exp. some in vlan 20
> > get ip, while others in 20 dont. Took my laptop and
> > assigned to different vlans. Could get ip for vlan 15,
> > but not vlan 10. (assigned prot to both
> > vlans at the time trying to obtain an ip).
> >
> > There is not a constant or regular pattern to this,
> > very various in obtaining ip. So had to give statics
> > now.Using Win2000 for DHCP.
> >
> > Also, while doing debug arp found some interesting
> > behavior:0050.0488.6c20 000 0.. wrong cable,
> > interface Vlan9,
> >
> > DUPADDR: Duplicate address on Vlan182,
> >
> > IP ARP: creating incomplete entry for IP address
> >
> > Has anyone seen this type of behavior? I am at odds,
> > any suggestion and feedback!
> >
> > thanks
> > max
> > [EMAIL PROTECTED]
> >
> > __
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> > Get personalized email addresses from Yahoo! Mail - only $35
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> >
> 
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Re: ISDN dialout

[Santosh Koshy]

SORRY GUYS
My mistake Will make sure to get facts right the next timeand not
jump to conclusions




""Santosh Koshy"" <[EMAIL PROTECTED]> wrote in message
967jsi$dit$[EMAIL PROTECTED]">news:967jsi$dit$[EMAIL PROTECTED]...
> Jim,
>
> I dont think you can just specifiy a time delay for the ISDN to
kick
> in. What you can do, is queue the packets in a buffer until a specified
time
> has reached, before initiating a dial. This is acheived by issuing the
> "dialer hold-queue" command. Let me give u an example.
>
> dialer hold-queue  timeout 
>
>  = can be within the range of 0-100
>  =  0 to unlimited
>
> So in your case, where u want to start the dial after 10 secs, you can do
> the following :=
> dialer hold-queue 20 timeout 10
>
> The above command will hold 20 packets in the queue OR wait for 10 secs
> before dialing; whicever comes first. If you think 50 packets is too low,
> you can increase it to a max of 100.
>
> Hope that helps,
> Santosh Koshy
> ---
> Communications Analyst
>
>
>
>
> "Jim Bond" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hello,
> >
> > I'm wondering if I can put a delay, say 10 seconds, on
> > a dialer interface so that ISDN will NOT come up
> > immediately after interesting traffic comes?
> >
> > Thanks in advance.
> >
> >
> > Jim
> >
> > __
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> >
>
>
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NIC broadcast processing question...

[Stull, Cory]

There was a thread a while back about broadcasts and how they affected PC's
in the broadcast domain...  It was mentioned that the NICs of today are
intelligent enough to take the broadcast processing workload off of the PC's
cpu somehow??.. Am I remembering this correctly???  Could someone please
tell me if this is correct and elaborate to me a little?

Thanks in advance...




Cory R. Stull
MCSE, CCNP, CCDP, BNCS
Communications Concepts Unlimited
262-814-7214


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Re: DHCP not working on new vlan design

[Santosh Koshy]

This is exactly what happened to me when i installed my 5509 switch And
i am also using win2k for DHCP..  The fix is to enable "portfast" on the
switch ports.. Only enable them on the ports that are attached to end
stations (not to other bridges, switches or routers)

Here is an URL that come in handy
http://www.cisco.com/warp/customer/473/12.html

tell me how it went...

Santosh


"max hill" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Have not seen this one, any feedback would be great!
>
> Topology:
> Have 2-5509/2sups/2RSFC
> 1-remote building with 5509 (single fiber between)
> 1-corp building with 5509
>
> 3548/24 for both locations for end user wire rooms
>
> Running 802.1Q, trunking/etherchannels between
> 3500 and 5509. Trunking between 5509 to 5509.
>
> On the 3500 assigning users of ports to vlan.
> So if Joe in acct is on port 1, he goes to acct vlan.
>
> Problem:
> When took users to (new network) new 3500, having
> major DHCP problems. It is having major problems
> obtaining DHCP IP addresses.  For exp. some in vlan 20
> get ip, while others in 20 dont. Took my laptop and
> assigned to different vlans. Could get ip for vlan 15,
> but not vlan 10. (assigned prot to both
> vlans at the time trying to obtain an ip).
>
> There is not a constant or regular pattern to this,
> very various in obtaining ip. So had to give statics
> now.Using Win2000 for DHCP.
>
> Also, while doing debug arp found some interesting
> behavior:0050.0488.6c20 000 0.. wrong cable,
> interface Vlan9,
>
> DUPADDR: Duplicate address on Vlan182,
>
> IP ARP: creating incomplete entry for IP address
>
> Has anyone seen this type of behavior? I am at odds,
> any suggestion and feedback!
>
> thanks
> max
> [EMAIL PROTECTED]
>
> __
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how to clear these setting in catalyst 5505?

[Sim, CT (Chee Tong)]

Dear all,

I was trying to clear the following logging setting in  

#syslog
set logging console enable
set logging server enable
set logging level cdp 4 default
set logging level mcast 2 default
set logging level dtp 5 default
set logging level dvlan 2 default
set logging level earl 2 default
set logging level fddi 2 default
set logging level ip 2 default
set logging level pruning 2 default
set logging level snmp 2 default
set logging level spantree 2 default
set logging level sys 5 default
set logging level tac 2 default
set logging level tcp 2 default
set logging level telnet 2 default
set logging level tftp 2 default
set logging level vtp 2 default
set logging level vmps 2 default
set logging level kernel 2 default
set logging level filesys 2 default
set logging level drip 2 default
set logging level pagp 5 default
set logging level mgmt 5 default
set logging level mls 5 default
set logging level protfilt 2 default
set logging level security 2 default
set logging level radius 2 default
set logging level udld 4 default
set logging level gvrp 2 default
set logging server facility LOCAL4
!

1)For example when I want to clear "set logging server facility LOCAL4" so I
type.. (shown below)

Cat55-L9-1> (enable) clear logging server facility LOCAL4
Usage: clear logging server 

2)For example, I want to clear "set logging level mls 5 default" or "set
logging level drip 2 default", so I type ... (shown below) but it gives me
this answer, so how can I clear it?

Cat55-L9-1> (enable) clear logging level ?
Usage: clear logging buffer
   clear logging server 


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==

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DHCP not working on new vlan design

[max hill]

Have not seen this one, any feedback would be great!

Topology:
Have 2-5509/2sups/2RSFC 
1-remote building with 5509 (single fiber between)
1-corp building with 5509

3548/24 for both locations for end user wire rooms

Running 802.1Q, trunking/etherchannels between
3500 and 5509. Trunking between 5509 to 5509.

On the 3500 assigning users of ports to vlan.
So if Joe in acct is on port 1, he goes to acct vlan. 

Problem:
When took users to (new network) new 3500, having
major DHCP problems. It is having major problems
obtaining DHCP IP addresses.  For exp. some in vlan 20
get ip, while others in 20 dont. Took my laptop and
assigned to different vlans. Could get ip for vlan 15,
but not vlan 10. (assigned prot to both
vlans at the time trying to obtain an ip).

There is not a constant or regular pattern to this,
very various in obtaining ip. So had to give statics
now.Using Win2000 for DHCP.

Also, while doing debug arp found some interesting
behavior:0050.0488.6c20 000 0.. wrong cable,
interface Vlan9,

DUPADDR: Duplicate address on Vlan182, 

IP ARP: creating incomplete entry for IP address

Has anyone seen this type of behavior? I am at odds,
any suggestion and feedback!

thanks 
max
[EMAIL PROTECTED]

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Re: [mrtg] Recently Identified Computer Virus

[Jeremy T. Bouse]

Well my lowly Procmail recipe to defang attachments catches it
rather nicely an quarantines it and sends postmaster and receipient a
nice lil message... It is always fun to see who's running M$ mail clients
when these lil gems come out... Wish we could just put all the creators
of virii and script kiddies in a room and detonate a low yield nuclear
device in the middle but then we'd just get a new batch to take their
place...

Respectfully,
Jeremy T. Bouse

Larry Sheldon was said to been seen saying:
> > Just in case some of you missed the announcement!
> >=20
> > There is currently a new computer virus that has been identified as the=
 "
> > AnnaKournikova " virus.
>=20
> Actually, it looks to our local experts like a fairly old one (August of
> last year).
>=20
> McAfee appears to catch it, Norton appears not to.
>=20
> > It will appear with an email subject line of  " Here You Have,:0) ". The
> > body of the email message
> > contains the following message, " Hi, check this out! "
> --
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
> .   .
> - L. F. (Larry) Sheldon, Jr.-
> . Unix Systems and Network Administration   .
> - Creighton University Computer Center-Old Gym  -
> . 2500 California Plaza .
> - Omaha, Nebraska, U.S.A.  68178   Two identifying characteristics  -
> . [EMAIL PROTECTED]  of System Administrators: .
> - 402 280-2254 (work)Infallibility, and the ability to  -
> . 402 681-4726 (cellular)   learn from their mistakes.  .
> - 402 332-4622 (residence)  -
> . http://www.creighton.edu/~lsheldonAdapted from Stephen Pinker .
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
>=20
> _
> FAQ, list archives, and subscription info: http://www.groupstudy.com/list=
/cisco.html
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

--=20
,--=
---,
|Jeremy T. Bouse, CCNA - UnderGrid Network Services, LLC -  www.UnderGrid.n=
et |
|   Public PGP/GPG key available through http://wwwkeys.us.pgp.net =
   |
| If received unsigned (without requesting as such) DO NOT trust it!   =
   |
| [EMAIL PROTECTED]  -  NIC Whois: JB5713  -  [EMAIL PROTECTED]=
et |
`--=
---'

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RE: Windows 2000 sniffer

[adam lee]

I believe 4.6 works for win2k.

Now, with that said, do you have a supported card that will let you see all
of the captured frames?  The list of adapters is pretty small.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Bob Johnson
Sent: Monday, February 12, 2001 11:45 AM
To: [EMAIL PROTECTED]
Subject: RE: Windows 2000 sniffer


EtherPeek 4.1 works on Win2K also. Coming from a Mac background I've always
been quite "snobbish" about Etherpeek. However I had a chance to play with
SnifferPro4.5 for a few days last week (a friend works at a place with a
much larger budget than I get) and have to say that it's decoders are better
than EtherPeek.

Now if only SnifferPro would show the packets as they capture them (someting
that it's predecessor NetXray had, I believe) I would be truly converted.
Seeing packets as them come on the wire (rather than having to stop to
decode them) has helped me with problems in the past

There is also a large price difference also Plus SnifferPro has hardware
capture devices for just about every transport possible.

Bob




-Original Message-
From: Christopher Supino [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 10:12 AM
To: [EMAIL PROTECTED]
Subject: Windows 2000 sniffer


Can anyone recommend a good sniffer program for Windows 2000?
I am having problems attempting to run the NT version on 2000.


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Re: Need advise on PPP async callback server configuration

[Alex Lee]

I was trying to do this async callback in my lab. Have tried to get answer
from books and Cisco website for quite some time but with no luck. Seek help
from the group.

By looking at the debug info, seemed the callback client is working OK but
missed something on the callback server side as there was no callback.

Callback server :-

c2509rj#sh run
Building configuration...

Current configuration:
!
version 11.2
no service password-encryption
no service udp-small-servers
no service tcp-small-servers
!
hostname c2509rj
!
enable secret 5 $1$FNXZ$OXAMRvJMI90li81Ua.h3b1
!
username c2501 password 0 samepass
chat-script call-c2501 ABORT ERROR "" "AT Z" OK "ATDT \T" TIMEOUT 30 CONNECT
\c
!
interface Loopback1
 ip address 1.1.1.1 255.255.0.0
 no logging event subif-link-status
!
interface Ethernet0
 no ip address
 no logging event subif-link-status
 shutdown
!
interface Serial0
 no ip address
 no logging event subif-link-status
 shutdown
!
interface Async2
 ip address 10.1.1.7 255.255.255.0
 encapsulation ppp
 no logging event subif-link-status
 async mode interactive
 dialer in-band
 dialer callback-secure
 dialer idle-timeout 200
 dialer wait-for-carrier-time 120
 dialer map ip 10.1.1.8 name c2501 class dial1 102
 dialer hold-queue 60
 dialer-group 1
 ppp callback accept
 ppp authentication chap
!
no ip classless
!
map-class dialer dial1
 dialer callback-server username
dialer-list 1 protocol ip permit
!
line con 0
 exec-timeout 0 0
line 1
 no exec
 transport input all
line 2
 password samepass
 autoselect during-login
 autoselect ppp
 script callback call-c2501
 login local
 modem InOut
 modem autoconfigure discovery
 transport input all
 stopbits 1
 speed 115200
 flowcontrol hardware
line 3 8
line aux 0
line vty 0 4
 login
!
end


Callback Client
=
c2501#sh run
Building configuration...

Current configuration:
!
version 11.2
no service password-encryption
no service udp-small-servers
no service tcp-small-servers
!
hostname c2501
!
!
username c2509rj password 0 samepass
chat-script dial-c2509rj "" "AT Z" OK "ATDT \T" TIMEOUT 300 CONNECT \c
!
interface Ethernet0
 no ip address
 shutdown
!
interface Serial0
 no ip address
 shutdown
 no fair-queue
!
interface Serial1
 no ip address
 shutdown
!
interface Async1
 ip address 10.1.1.8 255.255.255.0
 encapsulation ppp
 async mode interactive
 dialer in-band
 dialer map ip 10.1.1.7 name c2509rj 101
 dialer-group 1
 ppp callback request
 ppp authentication chap
!
no ip classless
!
dialer-list 1 protocol ip permit
!
line con 0
 exec-timeout 0 0
line aux 0
 password samepass
 script dialer dial-c2509rj
 login local
 modem InOut
 modem autoconfigure discovery
 transport input all
 stopbits 1
 rxspeed 38400
 txspeed 38400
 flowcontrol hardware
line vty 0 4
 login
!
end


Debug

c2501#ping 10.1.1.7

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.7, timeout is 2 seconds:

Async1: Dialing cause ip (s=10.1.1.8, d=10.1.1.7)
Async1: Attempting to dial 101
CHAT1: Attempting async line dialer script
CHAT1: Dialing using Modem script: dial-c2509rj  & System script: none
CHAT1: process started
CHAT1: Asserting DTR
CHAT1: Chat script dial-c2509rj started
CHAT1: Sending string: AT Z
CHAT1: Expecting string: OK
CHAT1: Completed match for expect: OK
CHAT1: Sending string: ATDT \T
CHAT1: Expecting string: CONNECT.
Success rate is 0 percent (0/5)
c2501#
CHAT1: Completed match for expect: CONNECT
CHAT1: Sending string: \c
CHAT1: Chat script dial-c2509rj finished, status = Success
%LINK-3-UPDOWN: Interface Async1, changed state to up
As1 PPP: Treating connection as a callout
%LINK-3-UPDOWN: Interface Async2, changed state to up
Async2: Dialer received incoming call from 
Async2:Callback server starting to c2501 102
Async2: disconnecting call
As1 PPP: Phase is AUTHENTICATING, by both
As1 CHAP: O CHALLENGE id 9 len 26 from "c2501"
As1 CHAP: I CHALLENGE id 9 len 28 from "c2509rj"
As1 CHAP: O RESPONSE id 9 len 26 from "c2501"
As1 CHAP: I SUCCESS id 9 len 4
As1 CHAP: I RESPONSE id 9 len 28 from "c2509rj"
As1 CHAP: O SUCCESS id 9 len 4
Async1: Callback negotiated - waiting for server disconnect
%LINK-5-CHANGED: Interface Async2, changed state to reset
%LINK-5-CHANGED: Interface Async1, changed state to reset
Callback client for c2509rj 101 created
%LINK-3-UPDOWN: Interface Async2, changed state to down
%LINK-3-UPDOWN: Interface Async1, changed state to down
Async2: re-enable timeout
callback triggered by dialer_timers
Async2:beginning callback to c2501 102
Async2: Attempting to dial 102
CHAT2: Attempting async line dialer script
CHAT2: no matching chat script found for 102
Async2: Unable to dial 102.
: Dialing failed, 0 packets unqueued and discarded
: unable to dial callback return call
Freeing callback to c2501 102
Async1: re-enable timeout
Async2: re-enable timeout
No callback received from c2509rj 101
Freeing callback to c2509rj 101

===











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HSSI cable

[martinleung]

Dear all

I have a cisco 7500 with HSSI interface. I wan to connect it with Lucent B-STDX 
switch's HSSI card. What HSSI cable should I use?

Regards
Martin
--
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RE: CCIE R&S Going to be Replaced..!!

[Pierre-Alex]

I like the idea of a jury! I always thought that the way it should have
been! (Ok Everyone no flame.!)

Now is it serious or is it a joke?  :)
Pierre-Alex

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
ElephantChild
Sent: Monday, February 12, 2001 6:22 PM
To: Mask Of Zorro
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: CCIE R&S Going to be Replaced..!!

On Mon, 12 Feb 2001, Mask Of Zorro wrote:

> Yes, the written exam is going to be changed to a jury based oral
> examination. You will be seated in a wooden chair in the middle of a
large,
> cold room. Bright lights will be pointed at your face. Then, a group of 6
to
> 8 Cisco engineers will begin to ask you questions about the technologies
> covered in the CCIE blue print. Each time you miss a question you will be
> lanced with hot pokers.
>
> If you pass the oral exam, they will tie you to the chair, carry you out
the
> back door, and throw you in the river to see if you float. If you don't
> float, you were a CCIE lab candidate. If you do float, you are a witch and
> will be burned at the stake.

That's for the 1st day. For the 2nd day you have to sit in the Comfy
Chair.

--
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Re: CCIE Written to Lab correlation?

[David C Prall]

- Original Message -
From: "Craig Columbus" <[EMAIL PROTECTED]>
> I'm curious if there's a correlation between the written score and the lab
> score.  For example, how many of you scored high on the written but have
> failed the lab?  If so, how close was it?  How many scored low on the
> written but passed the lab with a high number of points?  Just curious.
>
Since you are never really told your lab score, I'm unsure if anyone can
truly correlate the scores. I passed the written with a 71%, and passed the
lab after completing Troubleshooting. All I can say about the score is that
I got an 80% or better. I'm pretty sure I went into troubleshooting with a
65% or better, and I'm pretty sure I went into day 2 with a 45% or better.

David C Prall   [EMAIL PROTECTED]   http://dcp.dcptech.com

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Re: What is 6500 OSR?

[David C Prall]

- Original Message -
From: "Jack Yu" <[EMAIL PROTECTED]>
> Does anybody know what is a 6500 OSR platform?
> Somthing relates to optical?
> Can find anything in detail on CCO.
>
Optical Services Router

It is a 6500 with Optical Services Modules supporting High Speed Optical
Media, such as POS OC-3, OC-12, OC-48, and OC-192, ATM OC-12, Gigabit and 10
Gigabit Ethernet. Most items are in the limited deployment phase or even
early production.

David C Prall   [EMAIL PROTECTED]   http://dcp.dcptech.com

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Re: environmental device

[Circusnuts]

Sounds like you're asking for a portable weather service :-)  You should be
able to set sufficient traps from the environmental of the device (i.e.
temperature).  I brought up a new batch of 7206VXR's in the lab @ work & the
guys polling received enough information to tell me to not set the router on
it's side (it was overheating because I had the fan intake against the desk
:-)

Phil

- Original Message -
From: "Jim Newton" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 12, 2001 4:43 PM
Subject: environmental device


> I am looking for a device that will monitor environmental conditions in a
> data center or LAN closet that is SNMP pollable.
>
> Any leads would be appreciated
>
> [EMAIL PROTECTED]
>
> _
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Re: 4006 and Appletalk Zone Seed Router

[David C Prall]

- Original Message -
From: "Priscilla Oppenheimer" <[EMAIL PROTECTED]>
> Does the Catalyst 4006 even support AppleTalk routing? I don't think it
does.
>
> In the Cisco world, a "seed router" isn't anything special. It's simply a
> router where you have configured a cable range and one or more zones. In
> order to do this, the router must support AppleTalk routing. (A non-seed
> router is one that doesn't have this information configured. It picks it
up
> from a router that does have it configured.)
>
The latest code for the 4000 series L3 blade does support AppleTalk in
software.

David C Prall   [EMAIL PROTECTED]   http://dcp.dcptech.com

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Difference between ws-x5213 and ws-x5213a?

[Albert Lu]

Hi All,

Does anyone know the difference between the above two catalyst modules? I
know ws-x5213 is an end of life product, and I think the ws-x5213a is going
to be end of life in a few weeks as well.

Thanks

Albert

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Re: PCAnywhere problem with ISDN Connection

[JCoyne]

VNC is solid, but it's not secure. I don't think it's a good idea to use an
insecure program like VNC to access something as sensitive as an SMS console
from outside the firewall. It only takes one smart technician and a protocol
analyzer to compromise your network. SSH is definitely a good way to secure
it, but it suffers on performance.

> I concur.  I used VNC all of last week to take
> remote control of a system 2000 miles away.
> It was rock solid.  I even got into an SMS
> console, and used its remote control through
> the VNC remote control.
> Ray M
> CCNA, MCSE



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Windows Sniffer

[AABAN34]

  Does anyone no of a good Windows sniffer? that is cheap and It does not 
crash..


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Re: [mrtg] Recently Identified Computer Virus

[Larry Sheldon]

> Just in case some of you missed the announcement!
> 
> There is currently a new computer virus that has been identified as the "
> AnnaKournikova " virus.

Actually, it looks to our local experts like a fairly old one (August of
last year).

McAfee appears to catch it, Norton appears not to.

> It will appear with an email subject line of  " Here You Have,:0) ". The
> body of the email message
> contains the following message, " Hi, check this out! "
--
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
.   .
- L. F. (Larry) Sheldon, Jr.-
. Unix Systems and Network Administration   .
- Creighton University Computer Center-Old Gym  -
. 2500 California Plaza .
- Omaha, Nebraska, U.S.A.  68178   Two identifying characteristics  -
. [EMAIL PROTECTED]  of System Administrators: .
- 402 280-2254 (work)Infallibility, and the ability to  -
. 402 681-4726 (cellular)   learn from their mistakes.  .
- 402 332-4622 (residence)  -
. http://www.creighton.edu/~lsheldonAdapted from Stephen Pinker .
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-

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RE: How do u block vbs like "Here you have, ;o) "

[Khodaverdian, Hamlet]

If you are running Norton Corporate version 7.5, go here for instructions:
http://service1.symantec.com/SUPPORT/nav.nsf/361fc4a260e563b1882568180069e1c
0/e61eaea947c499378825691a007c8013?OpenDocument&Highlight=0,how,to,block,att
achments

Hamlet

-Original Message-
From: anthony kim [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 4:18 PM
To: [EMAIL PROTECTED]
Subject: Re: How do u block vbs like "Here you have, ;o) "


On Mon, Feb 12, 2001 at 03:43:31PM -0800, Rajeev Karamchand wrote:
>Hi all
>
>This is out subject question how do you block
>attachment like with vb scripts like "Here you have,
>;o) " at exchange server.
>

I believe there's a KB article somewhere on their support site
just tried it and http://search.support.microsoft.com/kb/c.asp
came up blank in Netscape (BSDi version). Thanks billy!

Off the top of my head, most Exchange aware AV apps support content
filtering... Mimesweeper comes to mind. Even the El Cheapo MTA,
Mdaemon, supports content filtering.

Lots of Unix MTA recipes out there if you have Unix mail relays.

I guess on a cisco list the ob response is:

access-list 101 deny tcp any any eq smtp
;-)



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How the timer affect STP recalculation when a topology changes?

[Zhiping Li]

HI,
when I study BCMSN,
I do not understand clearly about the function of
timers(Hello,Maxage,fwd delay).
Espetially when there is a topolody change.

Also , I don't know the  process or the BPDU exchange
between the switch abserve the topology and root
bridge.
 
Can anybody discuss it?

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Re: Wanted: Reviews on Two New Books

[george]

amazon states tcp vol 2 not set to publish until april 15th..
"John Neiberger" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I notice that Routing TCP/IP, Vol. II is out.  Have any of you had a
chance to buy it and read it yet?  If so, I'd love to find it how it is,
especially its coverage of BGP relative to Halabi's excellent book.
>
> Second, I see that Sybex has a brand new CCIE study guide out.  Have any
of you heard anything about this text?
>
> Neither book has any reviews on Amazon, and I'm just curious if they're as
good as they look.
>
> Thanks,
> John
>
>
> Find the best deals on the web at AltaVista Shopping!
> http://www.shopping.altavista.com
>
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>


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Ethereal , A network protocol analyzer.

[AABAN34]

  I would like to set this up? I just want to do simple packet captures? I am 
having problems setting up a network adapter under windows ME? 

Thanks Brian 

www.ethereal.com  or ethereal.zing.org


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Re: How do u block vbs like "Here you have, ;o) "

[anthony kim]

On Mon, Feb 12, 2001 at 03:43:31PM -0800, Rajeev Karamchand wrote:
>Hi all
>
>This is out subject question how do you block
>attachment like with vb scripts like "Here you have,
>;o) " at exchange server.
>

I believe there's a KB article somewhere on their support site
just tried it and http://search.support.microsoft.com/kb/c.asp
came up blank in Netscape (BSDi version). Thanks billy!

Off the top of my head, most Exchange aware AV apps support content
filtering... Mimesweeper comes to mind. Even the El Cheapo MTA,
Mdaemon, supports content filtering.

Lots of Unix MTA recipes out there if you have Unix mail relays.

I guess on a cisco list the ob response is:

access-list 101 deny tcp any any eq smtp
;-)



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Here you have, ;o)

[Nan Huang]

Hi:
Check This!



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To auto negotiate or not!

[Moe Tavakoli]

Recently I have experiences problems with auto neg. 
So now before deploying any piece (including switches)
I set all the ports/ints to 100FULL.  I found the
following that mey be of interest.
I wonder if Cisco will ever just ship with 100FULL as
default!

802.3u auto-negotiation and why it's sometimes bad.  

   Inherently Ethernet had only one kind of Link
Pulse. This was the
Normal
   Link Pulse used to establish link after an
interface had been reset.
To
   insure compatibility with the least work the 802.3u
committee added
another
   pulse to the Link process. This was the Fast Link
Pulse (FLP) it can
   consist of 17 to 33 pulses that should take no
longer than 2ms to
transmit.
   Those 17 to 33 pulses will consist of 17 timing
pulses and up to 16
data
   pulses. IF there are data pulses the Link Code Word
(LCW) status of
the
   link is set to 1 if no data pulses are present the
LCW is set to 0.
Three
   identical LCW's must be received before they are
accepted as valid.
In the
   Base Link Code Word ( the one that handles the link
negotiation) you
can
   determine link speed and duplex the choices are, in
reverse order
according
   to preference:
   
   A0 10BASE-T
   A1 10BASE-T FD
   A2 100BASE-TX
   A3 100BASE-TX FD
   A4 100BASE-T4
   A5 PAUSE
   A6 Reserved
   A7 Reserved
   
   If any FD type is chosen FD with the PAUSE feature
will be preferred
as
   this is a physical media flow control function.
   
   This assumes that the device in question is capable
of all states
within
   the auto-negotiation standard. If not, the device
will send idle
pulses
   that can be used to determine the link state and
both devices will
   therefore bypass the NLP/FLP link detection
process.
   
   The problem with the standard is that
implementation of the pulses
however
   minutely detailed does not dictate manufacturing
processes to the
retailer.
   So faulty implementation are a concern, if not a
common concern. This
is
   especially well displayed in the typical SUN/CISCO
auto-neg process.
It
   almost never works. If the auto process does not
work then one device
will
   be expecting a certain status of the line and the
other will have no
idea.
   Usually this results in degraded operation not
complete failure.
However,
   this will usually become known when large file
transfers and/or
bursty
   traffic patterns are common on the segment in
question. In my
experience
   this can result in a link that is err-disabled when
a large number of
   collisions are detected the link will then either
be disabled for a
   time-out period or will remain disabled until the
NA clears the
interface. 
   This will contribute to inconsistent network
behavior. 
   
   When coupled with the max time that the link pulses
can take 10 ms
(Three
   2ms bursts plus 2ms interval between) and the time
that Spanning Tree
   Protocol can disable a port after a status change
(30-55s) a non
manually
   configured port can caused considerable heartache.
(this of course
does not
   take into account PAgP). 
   
   If you configure your switch interfaces to 100/fd
you will force the
   clients into Parallel Detection mode. This forces
the client to
listen to
   the idle time pulses and determine link status from
there. If the
machine
   is mission critical and/or hosts any backup or
multimedia
applications I
   would absolutely set the interface to match the
switching device.

=
_
Moe

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Re: Windows 2000 sniffer

[anthony kim]

Any reason folks don't like Network Monitor (the SMS version)?


ObSniffer: windump

On Mon, Feb 12, 2001 at 10:43:34AM -0800, Syed, Junaid wrote:
>sniffer pro 4.5 (from network associates )
>it works like a champ on win2k 
>
>-Original Message-
>From: Christopher Supino [mailto:[EMAIL PROTECTED]]
>Sent: Monday, February 12, 2001 10:12 AM
>To: [EMAIL PROTECTED]
>Subject: Windows 2000 sniffer
>
>
>Can anyone recommend a good sniffer program for Windows 2000?
>I am having problems attempting to run the NT version on 2000.
>

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Erasing a image from flash in 11.2

[Roberts, Timothy]

How do I erase one of the three images on the flash card of a 3640 running
11.2?
Thanks

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Re: Sub-interfaces and Secondary interfaces

[george]

You really do not  have a lot of choice in the matter. The subinterface
configuration can not be use unless you are running ISL encapsulation
(vlans) or a point-multipoint type network on the interface.  If you try to
use the sub-interface setup without these the router will give you an error.
Makes your decision easy.



""Nabil Fares"" <[EMAIL PROTECTED]> wrote in message
news:<[EMAIL PROTECTED]>...

> Greetings all,

>

> Which way do you guys recommend using in Ethernet environment if I have

> multiple subnets? Are there any advantages/disadvantages for using one
over

> the other?.

>

> Thanks,

>

> Nabil

>

> _

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>

""Nabil Fares"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Greetings all,
>
> Which way do you guys recommend using in Ethernet environment if I have
> multiple subnets? Are there any advantages/disadvantages for using one
over
> the other?.
>
> Thanks,
>
> Nabil
>
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How do u block vbs like "Here you have, ;o) "

[Rajeev Karamchand]

Hi all

This is out subject question how do you block
attachment like with vb scripts like "Here you have,
;o) " at exchange server.




=
Rajeev Karamchand
MCSE,MCSE+I,MCDBA,CCNA

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Here you have, ;o)

[Michael Smialek]

Hi:
Check This!



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Here you have, ;o)

[Gregory Nishihira]

Hi:
Check This!



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Here you have, ;o)

[Martha Lopez]

Hi:
Check This!



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Here you have, ;o)

[Frank Saldana]

Hi:
Check This!



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Here you have, ;o)

[Aaron Jones]

Hi:
Check This!



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Problem with Cisco 2620 (24MB RAM/8MB Flash) keep rebooting

[David Tran]

Hi Everyone,
I have a cisco router 2620 that was running fine until Sunday when I =
decided to upgrade the router=20
with a new IOS.  The new IOS image is specifically for cisco2610-2621.  =
However, after upgrading
the flash and reboot the router, my Fast Ethernet Interface (f0/0) is =
completely gone from the=20
configuration file.  Furthermore, the IOS image file on the flash is =
also gone.  So I tried to bootup
the router via tftp server.  The router can see the tftp server and load =
the image into memory. =20
However, after loading the image into memory (RAM), the router just =
keeps rebooting itself=20
(running in a loop) and each time this is the message that I keep =
getting:

SYSTEM INIT: INSUFFICIENT MEMORY TO BOOT THE IMAGE!

Is this because 24MB is not sufficient?  The IOS image that I use is: =
c2600-i-mz.120-5.T1.bin=20
Cisco says that this image only requires 20MB of RAM and 8MB of Flash.  =
As of now, the router=20
just keeps running in a loop.

Can anyone help me with this problem? =20


Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-D-M), Version 12.0(5)T1,  RELEASE =
SOFTWARE (fc1)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Tue 17-Aug-99 13:11 by cmong
Image text-base: 0x80008088, data-base: 0x80859E60


SYSTEM INIT: INSUFFICIENT MEMORY TO BOOT THE IMAGE!


System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
Copyright (c) 1999 by cisco Systems, Inc.
TAC:Home:SW:IOS:Specials for info
C2600 platform with 24576 Kbytes of main memory

David Tran
[EMAIL PROTECTED]

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RE: CCNA - One layer UP

[Arthur Simplina]

I am following the Cisco Network Academy courses which are of same sequence 
as Ken, i.e., BSCN, BCRAN, BCMSN and CIT.


Arthur


>This question has been asked several times before, however I have a my own
>opinion which seems to work for me.
>
>I feel that the BCSN exam probably is the most extensive coverage of
>internetworking. Topics learned here will carry over to the other exams.
>Next, I would take BCRAN. Since you just finished routing, why not stay on
>the topic? The BCRAN is also about routing. Next BCMSN, and finally CIT. I
>think it would be wise to take CIT last since it covers troubleshooting 
>over
>the other topics.
>
>To recap:
>BCSN
>BCRAN
>BCMSN
>CIT
>
>Ken
>

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Re: passed the CCNP routing!

[Tom Lisa]

I believe the link your looking for is Chuck Semeria's white paper "Understanding IP
Addressing: Everything You Ever Wanted to Know" at the folloing URL:
http://www.3com.com/nsc/501302s.html
Watch that wrap.

HTH,

Tom Lisa, Instructor, CCNA, CCAI
Community College of Southern Nevada
Cisco Regional Networking Academy

Fred Danson wrote:

> I dont really know of any good books about supernetting/subnetting, but if
> you were to look, make sure it fully explains it. Find a book that explains
> it from a mathematical point of view, because that is the essence of
> supernetting/subnetting. It is pure binary math :)
>
> A lot of people who got by on the CCNA by memorizing a number different
> formulas would have a lot of trouble on the CCNP. They really test you on
> the CCNP routing exam. Someone posted a really good 3com route summarization
> site on groupstudy about a week ago, but I forgot what the link was
>
> >From: John Chang <[EMAIL PROTECTED]>
> >To: "Fred Danson" <[EMAIL PROTECTED]>
> >Subject: RE: passed the CCNP routing!
> >Date: Sat, 10 Feb 2001 22:58:19 -0500
> >
> >Know a good reference on subnetting/supernetting?  Or can you tell me so
> >that I can see if I know it.  Thanks.
> >
> >At 10:00 PM 2/10/2001 -0500, you wrote:
> >>Actually there were a whole lot of questions on EIGRP and OSPF in that
> >>test.
> >>Also, make sure you have a strong mathematical perspective on
> >>subnetting/supernetting. Im always trying to teach people how subnetting
> >>and
> >>supernetting really work, not just how to do it with some formula that
> >>they
> >>learned in a book somewhere.
> >>
> >>Fred
> >>
> >>
> >> >From: Moahzam Durrani <[EMAIL PROTECTED]>
> >> >To: Fred Danson <[EMAIL PROTECTED]>
> >> >Subject: RE: passed the CCNP routing!
> >> >Date: Thu, 8 Feb 2001 15:24:15 -0800
> >> >
> >> >what was the main focus on the questions?? alot of ospf , bgp ?
> >> >
> >> >Mo Durrani
> >> >IS&T
> >> >WYSE\EDS
> >> >phone:408-473 1246
> >> >[EMAIL PROTECTED]
> >> >[EMAIL PROTECTED]
> >> >
> >> >
> >> >-Original Message-
> >> >From: Fred Danson [mailto:[EMAIL PROTECTED]]
> >> >Sent: Thursday, February 08, 2001 2:40 PM
> >> >To: [EMAIL PROTECTED]
> >> >Subject: RE: passed the CCNP routing!
> >> >
> >> >
> >> >Thank you Ole,
> >> >
> >> >I've been taking a CCNP class at ASM Educational Center in College Park,
> >>MD
> >> >under a CCIE instructor. The book that they gave us for the Routing
> >>segment
> >> >wasn't too good (the Syngress one, it has tons of errors in it), but the
> >> >instructor is awesome. And in response to the IS-IS question-- there
> >> >weren't
> >> >
> >> >any question about that on the exam.
> >> >
> >> >
> >> >
> >> >
> >> > >From: Ole Drews Jensen <[EMAIL PROTECTED]>
> >> > >To: 'Fred Danson' <[EMAIL PROTECTED]>
> >> > >Subject: RE: passed the CCNP routing!
> >> > >Date: Thu, 8 Feb 2001 15:10:23 -0600
> >> > >
> >> > >Congratulations,
> >> > >
> >> > >Any recommended reading : books, chapters?
> >> > >
> >> > >Did you have any ISIS related questions?
> >> > >
> >> > >Thanks,
> >> > >
> >> > >Ole
> >> > >
> >> > >
> >> > >  Ole Drews Jensen
> >> > >  Systems Network Manager
> >> > >  CCNA, MCSE, MCP+I
> >> > >  RWR Enterprises, Inc.
> >> > >  [EMAIL PROTECTED]
> >> > >  http://www.CiscoKing.com
> >> > >
> >> > >  NEED A JOB ???
> >> > >  http://www.oledrews.com/job
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >-Original Message-
> >> > >From: Fred Danson [mailto:[EMAIL PROTECTED]]
> >> > >Sent: Thursday, February 08, 2001 2:41 PM
> >> > >To: [EMAIL PROTECTED]
> >> > >Subject: passed the CCNP routing!
> >> > >
> >> > >
> >> > >I just passed the CCNP routing exam with a score of 908! Thank you
> >> >everyone
> >> > >for the help. :)
> >> > >_
> >> > >Get your FREE download of MSN Explorer at http://explorer.msn.com
> >> > >
> >> > >_
> >> > >FAQ, list archives, and subscription info:
> >> > >http://www.groupstudy.com/list/cisco.html
> >> > >Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >> >
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> >> >
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> >
>
> 

OT: Port number...

[Eric McMasters]

Hey group, I had a quick question concerning a port number.  The port in 
question is port 4098.  I checked out the iana port numbers and they show 
port 4098 as something called "drmsfsd".  Now I have never heard of this and 
I can't find anything anywhere about what it is or what it does.  If anyone 
out there knows what this port is used for I would greatly appreciate it.  
Thanks!

Eric
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Here you have, ;o)

[Jolina Gonzalez]

Hi:
Check This!



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Re: How does one decipher switch back plane numers....

[anthony kim]

Now that makes sense.
Thank you.


--- Larry Lamb <[EMAIL PROTECTED]> wrote:
> Actually, it would be 256bits/cycle at a rate of 62,500,000
> cycles/sec.
> 
> "anthony kim" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hi,
> >
> > Can you explain this to me in greater detail?
> > 256 bits * 62.5 MHz = 16,000(bits*MHz)
> >
> > 16,000(bits*MHz) * 1,000,000 Hz/MHz =
> > 16,000,000,000 (bits*Hz) or 16 Gb*Hz
> >
> > 1 Hz = 1 Cycle/sec
> >
> > Therefore,
> >
> > 16 Gb*Cycles/sec or (dropping "cycles") 16 Gb/sec IOW, 16 Gbps
> >
> > What would totally clarify for me is if
> > 1 bit is transmitted per Hz (per cycle)?
> >
> > Is that always the case?
> >
> >
> > __END__
> >
> > TIA,
> > anthony
> >
> > __
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Recently Identified Computer Virus

[Nabil Fares]

Just in case some of you missed the announcement!

There is currently a new computer virus that has been identified as the "
AnnaKournikova " virus.
It will appear with an email subject line of  " Here You Have,:0) ". The
body of the email message
contains the following message, " Hi, check this out! "

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RE: Sub-interfaces and Secondary interfaces

[Brant Stevens]

I only use secondary interfaces as a means for migrating between IP
addressing schemes, but that's just me...  They can come in handy when used
in multi-homed, non BGP environment...

I think sub-interfaces would make a really cool replacement...

Brant I. Stevens
Internetwork Solutions Engineer
Thrupoint, Inc.
545 Fifth Avenue, 14th Floor
New York, NY. 10017
646-562-6540

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Leigh Anne Chisholm
Sent: Monday, February 12, 2001 3:34 PM
To: Nabil Fares; [EMAIL PROTECTED]
Subject: RE: Sub-interfaces and Secondary interfaces


One disadvantage of using secondary interfaces is that Cisco has indicated
secondary interface support will disappear in future IOS releases, in favour
of supporting subinterface configurations.



-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Nabil Fares
Sent: February 12, 2001 1:04 PM
To: [EMAIL PROTECTED]
Subject: Sub-interfaces and Secondary interfaces


Greetings all,

Which way do you guys recommend using in Ethernet environment if I have
multiple subnets? Are there any advantages/disadvantages for using one over
the other?.

Thanks,

Nabil

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Re: Sub-interfaces and Secondary interfaces

[Howard C. Berkowitz]

>Greetings all,
>
>Which way do you guys recommend using in Ethernet environment if I have
>multiple subnets? Are there any advantages/disadvantages for using one over
>the other?.
>
>Thanks,
>
>Nabil


They do different things.  In large part, secondaries are a rather 
ugly hack to deal with an assortment of problems caused by classful 
addressing.  I avoid them whenever possible.

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Re: How does one decipher switch back plane numers....

[Larry Lamb]

Actually, it would be 256bits/cycle at a rate of 62,500,000 cycles/sec.

"anthony kim" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi,
>
> Can you explain this to me in greater detail?
> 256 bits * 62.5 MHz = 16,000(bits*MHz)
>
> 16,000(bits*MHz) * 1,000,000 Hz/MHz =
> 16,000,000,000 (bits*Hz) or 16 Gb*Hz
>
> 1 Hz = 1 Cycle/sec
>
> Therefore,
>
> 16 Gb*Cycles/sec or (dropping "cycles") 16 Gb/sec IOW, 16 Gbps
>
> What would totally clarify for me is if
> 1 bit is transmitted per Hz (per cycle)?
>
> Is that always the case?
>
>
> __END__
>
> TIA,
> anthony
>
> __
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Here you have, ;o)

[Marianne Brown]

Hi:
Check This!



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Please unsubscribe me!

[Hui Ellis]

Thanks!


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Re: CCNA - One layer UP

[Larry Lamb]

Well I think it really depends on if you have any experience in various
areas already.  For me, working in large LANs, I am going BCMSN, BCSN, then
BCRAN or CIT (I haven't decided which). If this is really all new to you, go
with the typical BCSN, BCRAN, BCMSN, CIT.


<[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi Friends,
>
> Cleared CCNA 2.0 today with the passing score of 903 with all the inputs
> from this Great Discussion Forum.
> Thanks guys...
>
> Would be nice, if any one give the sequence of CCNP exams to be
> considered.
>
>
> Thanks in advnce..
>
>
> Selvakumar.K
> [EMAIL PROTECTED]
>
>
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Re: Can someone interpret this please?

[Raj Singh]

Kevin and John,

A note about the "memory access errors".

If the router in question is using a MIPS CPU for example, interrupt
processing CPU utlization can also run higher than normal due to an error
called an alignment error. Alignment errors occur when the program running
on the CPU attempts to access a memory value at an address that violates the
memory alignment requirements of the CPU. On MIPS CPUs, 16 bit values must
begin at a memory address divisible by 2. 32 bit values must begin at a
memory address divisible by 4, and so on. If IOS attempts to access data at
an address that violates these restrictions, the CPU generates an exception
and calls a special IOS function that retreives the data in segments that
don't violate the restrictions. This exception funcation adds MANY more
instructions and more CPU time to an otherwise simple operation of accessing
a data item. For this reason, alignment errors can have a significant
negative impact on performance by consuming extra CPU cycles. You can check
the alignment errors by doing a show align from the CLI.

- raj

""Kevin Wigle"" <[EMAIL PROTECTED]> wrote in message
010d01c09520$ff4b7040$[EMAIL PROTECTED]">news:010d01c09520$ff4b7040$[EMAIL PROTECTED]...
> Dear group,
>
> Investigating a router that is starting to loaded down.  When I do a sh
proc
> cpu I get 50% or cpu utilization but the stats don't seem to add up to
50%.
>
> Is there another way to try and see where the 50% is coming from?
>
> sh proc cpu
> CPU utilization for five seconds: 44%/44%; one minute: 50%; five minutes:
> 52%
>  PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
>1   43764   2491562 17   0.00%  0.00%  0.00%   0 Load Meter
>2 11636   3222   0.24%  0.05%  0.01%  66 Virtual Exec
>318930504   1542973  12268   0.00%  0.12%  0.11%   0 Check heaps
>4   0 1  0   0.00%  0.00%  0.00%   0 Chunk Manager
>51876  1047   1791   0.00%  0.00%  0.00%   0 Pool Manager
>6   0 2  0   0.00%  0.00%  0.00%   0 Timers
>7   0 2  0   0.00%  0.00%  0.00%   0 Serial
Backgroun
>8   0 1  0   0.00%  0.00%  0.00%   0 OIR Handler
>9   22296414731 53   0.00%  0.00%  0.00%   0 Environmental
mo
>   10  218428427878510   0.00%  0.00%  0.00%   0 ARP Input
>   11   0 2  0   0.00%  0.00%  0.00%   0 DDR Timers
>   12   0 2  0   0.00%  0.00%  0.00%   0 Dialer event
>   13   4 2   2000   0.00%  0.00%  0.00%   0 Entity MIB API
>   14   0 1  0   0.00%  0.00%  0.00%   0 SERIAL
A'detect
>   15   0 1  0   0.00%  0.00%  0.00%   0 Critical Bkgnd
>   16 1813952   1898284955   0.00%  0.01%  0.00%   0 Net Background
>   17 280   401698   0.00%  0.00%  0.00%   0 Logger
>   18  753540  12440407 60   0.00%  0.00%  0.00%   0 TTY Background
>   19  890280  12440425 71   0.00%  0.00%  0.00%   0 Per-Second
Jobs
>   20   4 2   2000   0.00%  0.00%  0.00%   0 VNM DSPRM MAIN
>   21  418788  12440411 33   0.00%  0.00%  0.00%   0 Partition
Check
>  PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
>   22   0 1  0   0.00%  0.00%  0.00%   0 Net Input
>   23   31676   2491564 12   0.00%  0.00%  0.00%   0 Compute load
avg
>   24 6663988207365  32136   0.00%  0.03%  0.00%   0 Per-minute
Jobs
>   25  271380   9070214 29   0.00%  0.00%  0.00%   0 NTP
>   26   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM Input
>   27   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM TIMER
>   28  376484   3755446100   0.00%  0.00%  0.00%   0 ATM Periodic
>   29   0 1  0   0.00%  0.00%  0.00%   0 ATM ARP INPUT
>   3041599556  18711784   2223   0.16%  0.33%  0.32%   0 IP Input
>   31  816012   1448197563   0.00%  0.00%  0.00%   0 CDP Protocol
>   32   0 1  0   0.00%  0.00%  0.00%   0 Asy FS Helper
>   33   4 1   4000   0.00%  0.00%  0.00%   0 PPP IP Add
Route
>   34 684 20737 32   0.00%  0.00%  0.00%   0 MOP Protocols
>   35   0 1  0   0.00%  0.00%  0.00%   0 X.25 Encaps
Mana
>   36   0 1  0   0.00%  0.00%  0.00%   0 MPC Router
Proce
>   37 1579312207411   7614   0.00%  0.00%  0.00%   0 IP Background
>   38 728  1317552   0.00%  0.00%  0.00%   0 SSCOP Input
>   39 352   856411   0.00%  0.00%  0.00%   0 SSCOP Output
>   40   36792210450174   0.00%  0.00%  0.00%   0 SSCOP Timer
>   41 19659   3322   0.00%  0.00%  0.00%   0 ILMI Input
>   42   0 1  0   0.00%  0.00%  0.00%   0 SNMP Timers
>   43  518476167742   3090   0.00%  0.00%  0.00%   0 ILMI Request
>  PID  Runtime(ms)  Invoked  uSecs5Sec   1Min  

Re: Here you have, ;o)

[AWTroxell]

>>Are we target of DDoS?<<

It's nothing personal: EVERYONE is getting hit by this.  I'm seeing our email sweeper 
get bogged down by this VBS attemting to enter our system.  CNN.Com has a story that 
gives a pretty good run-down on it.

The bottom line is if you use Outlook and open the attachment, it sends itself to 
everyone in your address book.  Ouch!

Good thing our company uses GroupWise!

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Re: Can someone interpret this please?

[John Neiberger]

I just checked CCO and there are so many CPU-related bugs in 12.0(5) that I stopped 
counting after a while.  You might want to upgrade, if feasible.

Also, try doing a show align to see if you're getting spurious memory access errors.  
One of the bugs mentioned a high CPU usage due to these.

HTH,
John

> 
> Bob, Phil - and the group.
> 
> Thanks for the input, gives me more to think about.
> 
> Some more history..
> 
> This router is a 3620 with OC3 and FastEthernet interfaces.  It has 48 meg
> and is running 12.0(5)XK1.
> 
> According to Cisco's docs, the 3620 should be able to handle around 20-40
> kpps.
> 
> However, the router shows only around 2.6 kpps almost evenly split in/out.
> 
> I have been unable to verify exactly on CCO but I suspect that a 3620 cannot
> handle (very well) two high-speed interfaces - more specifically if one is
> OC3.
> 
> I have found info where Cisco, when talking about the OC3 interface for the
> 3600 series stated:
> 
> "Max two high-speed network modules in a Cisco 3640 (includes Fast Ethernet,
> ATM, HSSI)"
> 
> Now the 3640 has a 100mhz processor and the 3620 has a 80 mhz processor.
> 
> I'm wondering if the SAR process is overwhelming the 3620?  I'm sure I read
> someplace that only one high-speed interface was recommended for the 3620
> but I haven't found that info again.
> 
> Considering the low level of traffic, what else could be keeping the cpu
> utilization up so high?  Need more info. let me know!
> 
> Kevin Wigle
> 
> 
> - Original Message -
> From: "Phillip Heller" <[EMAIL PROTECTED]>
> To: "Kevin Wigle" <[EMAIL PROTECTED]>
> Cc: "cisco" <[EMAIL PROTECTED]>
> Sent: Monday, February 12, 2001 2:12 PM
> Subject: Re: Can someone interpret this please?
> 
> 
> > On Mon, 12 Feb 2001, Kevin Wigle wrote:
> >
> > Dear group,
> >
> > Investigating a router that is starting to loaded down.  When I do a
> sh proc
> > cpu I get 50% or cpu utilization but the stats don't seem to add up to
> 50%.
> >
> > Is there another way to try and see where the 50% is coming from?
> >
> > sh proc cpu
> > CPU utilization for five seconds: 44%/44%; one minute: 50%; five
> minutes:
> > 52%
> >
> > The five second utilization numbers in the above line (44%/44%) represent
> > two things.  The first number is total processor utilization and the
> > second is processor utilization due to interrupts.  The difference in
> > these two numbers would be the sum of 5sec utilization by all other
> > processes.
> >
> > If utilization due to interrupts increases over time, it represents
> > traffic growth.  If it jumps alot in a short amount of time, it may be a
> > DoS attack.  You can verify the latter by turning on "ip route-cache flow"
> > on suspected interfaces and then looking at the output of "sh ip cache
> > flow".
> >
> > If the processor gets too high with legitimate traffic, you can use cef or
> > dcef (ip route-cache cef, ip cef distributed).
> >
> > Failing that, you'll probably more beefy hardware.
> >
> > Regards,
> >
> >   --phil
> 
> _
> FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]


Find the best deals on the web at AltaVista Shopping!
http://www.shopping.altavista.com

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Passed BCMSN Today

[Manny Colon]

All

Passed BCMSN exam today with of a score of 830. On to the Routing exam.
Thank you very much for all of your support !!!

--
Regards,

Manny Colon
Computer Services
Information Builders Inc.


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RE: Can someone interpret this please?

[Bob Johnson]

As far as I understand... (standard disclaimer)

The first number is the total CPU utilization...
The second number (after the /) is the total utilization that is being used
for interrupts. The difference between these 2 numbers is the amount the
router uses for the processes listed below the line. In your case almost
100% of the CPU usage is for interrupts (fast switching is something that
causes interrupts) and very little is being used for the various router
(proccess switching is done via a proccess) processes.

This is possibly good in the fact that all your traffic is being fast
switched but bad in the fact that the router is getting overloaded on
traffic at it's interfaces. The problem could be cuased by other things too
but without more info it's hard to say



Bob

-Original Message-
From: Kevin Wigle [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 10:24 AM
To: cisco
Subject: Can someone interpret this please?


Dear group,

Investigating a router that is starting to loaded down.  When I do a sh proc
cpu I get 50% or cpu utilization but the stats don't seem to add up to 50%.

Is there another way to try and see where the 50% is coming from?

sh proc cpu
CPU utilization for five seconds: 44%/44%; one minute: 50%; five minutes:
52%
 PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
   1   43764   2491562 17   0.00%  0.00%  0.00%   0 Load Meter
   2 11636   3222   0.24%  0.05%  0.01%  66 Virtual Exec
   318930504   1542973  12268   0.00%  0.12%  0.11%   0 Check heaps
   4   0 1  0   0.00%  0.00%  0.00%   0 Chunk Manager
   51876  1047   1791   0.00%  0.00%  0.00%   0 Pool Manager
   6   0 2  0   0.00%  0.00%  0.00%   0 Timers
   7   0 2  0   0.00%  0.00%  0.00%   0 Serial Backgroun
   8   0 1  0   0.00%  0.00%  0.00%   0 OIR Handler
   9   22296414731 53   0.00%  0.00%  0.00%   0 Environmental mo
  10  218428427878510   0.00%  0.00%  0.00%   0 ARP Input
  11   0 2  0   0.00%  0.00%  0.00%   0 DDR Timers
  12   0 2  0   0.00%  0.00%  0.00%   0 Dialer event
  13   4 2   2000   0.00%  0.00%  0.00%   0 Entity MIB API
  14   0 1  0   0.00%  0.00%  0.00%   0 SERIAL A'detect
  15   0 1  0   0.00%  0.00%  0.00%   0 Critical Bkgnd
  16 1813952   1898284955   0.00%  0.01%  0.00%   0 Net Background
  17 280   401698   0.00%  0.00%  0.00%   0 Logger
  18  753540  12440407 60   0.00%  0.00%  0.00%   0 TTY Background
  19  890280  12440425 71   0.00%  0.00%  0.00%   0 Per-Second Jobs
  20   4 2   2000   0.00%  0.00%  0.00%   0 VNM DSPRM MAIN
  21  418788  12440411 33   0.00%  0.00%  0.00%   0 Partition Check
 PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
  22   0 1  0   0.00%  0.00%  0.00%   0 Net Input
  23   31676   2491564 12   0.00%  0.00%  0.00%   0 Compute load avg
  24 6663988207365  32136   0.00%  0.03%  0.00%   0 Per-minute Jobs
  25  271380   9070214 29   0.00%  0.00%  0.00%   0 NTP
  26   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM Input
  27   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM TIMER
  28  376484   3755446100   0.00%  0.00%  0.00%   0 ATM Periodic
  29   0 1  0   0.00%  0.00%  0.00%   0 ATM ARP INPUT
  3041599556  18711784   2223   0.16%  0.33%  0.32%   0 IP Input
  31  816012   1448197563   0.00%  0.00%  0.00%   0 CDP Protocol
  32   0 1  0   0.00%  0.00%  0.00%   0 Asy FS Helper
  33   4 1   4000   0.00%  0.00%  0.00%   0 PPP IP Add Route
  34 684 20737 32   0.00%  0.00%  0.00%   0 MOP Protocols
  35   0 1  0   0.00%  0.00%  0.00%   0 X.25 Encaps Mana
  36   0 1  0   0.00%  0.00%  0.00%   0 MPC Router Proce
  37 1579312207411   7614   0.00%  0.00%  0.00%   0 IP Background
  38 728  1317552   0.00%  0.00%  0.00%   0 SSCOP Input
  39 352   856411   0.00%  0.00%  0.00%   0 SSCOP Output
  40   36792210450174   0.00%  0.00%  0.00%   0 SSCOP Timer
  41 19659   3322   0.00%  0.00%  0.00%   0 ILMI Input
  42   0 1  0   0.00%  0.00%  0.00%   0 SNMP Timers
  43  518476167742   3090   0.00%  0.00%  0.00%   0 ILMI Request
 PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
  44   43616205621212   0.00%  0.00%  0.00%   0 ILMI Response
  45  610604   1171380521   0.00%  0.00%  0.00%   0 ILMI Timer Proce
  46  36 3  12000   0.00%  0.00%  0.00%   0 ATM PVC Discover
  47   0 2  0   0.00%  0.00%  0.00%   0 ATMSIG ILMI Time
  48  443584  12441294 35   0.00%  0.00%  0.00%  

RE: Sub-interfaces and Secondary interfaces

[Leigh Anne Chisholm]

One disadvantage of using secondary interfaces is that Cisco has indicated
secondary interface support will disappear in future IOS releases, in favour
of supporting subinterface configurations.



-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Nabil Fares
Sent: February 12, 2001 1:04 PM
To: [EMAIL PROTECTED]
Subject: Sub-interfaces and Secondary interfaces


Greetings all,

Which way do you guys recommend using in Ethernet environment if I have
multiple subnets? Are there any advantages/disadvantages for using one over
the other?.

Thanks,

Nabil

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Re: Here you have, ;o)

[James Haynes]

There's an e-mail virus running around called:

AnnaKournikova.jpg.vbs

It's causing e-mail systems to mass mail to everyone in an address book.


""Arthur Simplina"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I have received several emails like this from the list.
>
> Are we target of DDoS?
>
> Arthur
>
>
> >From: "Josh Baxter" <[EMAIL PROTECTED]>
> >Reply-To: "Josh Baxter" <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Subject: Here you have, ;o)
> >Date: Mon, 12 Feb 2001 12:21:29 -0700
> >
> >Hi:
> >Check This!
> >
> >_
> >FAQ, list archives, and subscription info:
> >http://www.groupstudy.com/list/cisco.html
> >Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
> _
> Get your FREE download of MSN Explorer at http://explorer.msn.com
>
> _
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> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>


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Re: Here you have, ;o)

[Arthur Simplina]

I have received several emails like this from the list.

Are we target of DDoS?

Arthur


>From: "Josh Baxter" <[EMAIL PROTECTED]>
>Reply-To: "Josh Baxter" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Subject: Here you have, ;o)
>Date: Mon, 12 Feb 2001 12:21:29 -0700
>
>Hi:
>Check This!
>
>_
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>http://www.groupstudy.com/list/cisco.html
>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

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Sub-interfaces and Secondary interfaces

[Nabil Fares]

Greetings all,

Which way do you guys recommend using in Ethernet environment if I have
multiple subnets? Are there any advantages/disadvantages for using one over
the other?.

Thanks,

Nabil

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RIPv2/BGP: Thinking out loud

[Ole Drews Jensen]

I am kind of just thinking out loud here, but if someone could confirm that
I'm right, I would appreciate it.

Jeff Doyle just joined me for lunch again as usual - his book that is, and
there was an example in the beginning of the RIPv2 chapter where 3 routers
(let's call them A, B and C) were connected on the same network, and a
second network was connected to router C. Router A and B was setup with
RIPv2 and router B and C with BGP.

Since C are running only BGP and A only RIPv2, no routing information would
be sent from C directly to A and visa versa.

Router B however would send information about the second network connected
to router C to A, and let A know that it should send packets destined for
the second network to router C.

Hey, wait a minute I thought, router A can't send to router C  - But
then I thought about it again, and saw that I was wrong in my first
assumption. Of course A can send to C, they just don't exchange routing
information directly to each other.

Am I right?

Thanks for any comments on this,

Ole


 Ole Drews Jensen
 Systems Network Manager
 CCNA, MCSE, MCP+I
 RWR Enterprises, Inc.
 [EMAIL PROTECTED]
 http://www.CiscoKing.com

 NEED A JOB ???
 http://www.oledrews.com/job



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RE: Connecting 2 routers via 56K CSU/DSU's?

[Daniel Cotts]

Can do. Make up a cable swapping pins 1&2 with 7&8 and 7&8 with 1&2. Need to
add clocking one end. Ask others for the exact command.

> -Original Message-
> From: Bob Timmons [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 12, 2001 12:09 PM
> To: [EMAIL PROTECTED]
> Subject: Connecting 2 routers via 56K CSU/DSU's?
> 
> 
> All,
> 
> Does anyone know if I can connect my 2-2524's via their 4-wire 56K
> CSU/DSU's?  I know I can connect them via the 5-in-1 modules 
> with a DB60
> back-to-back cable, but I don't know if a 56K will connect to 
> another 56K
> module.
> 
> Thanks,
> Bob
> 
> 
> _
> FAQ, list archives, and subscription info: 
> http://www.groupstudy.com/list/cisco.html
> Report misconduct 
> and Nondisclosure violations to [EMAIL PROTECTED]
> 

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Re: Can someone interpret this please?

[Kevin Wigle]

Bob, Phil - and the group.

Thanks for the input, gives me more to think about.

Some more history..

This router is a 3620 with OC3 and FastEthernet interfaces.  It has 48 meg
and is running 12.0(5)XK1.

According to Cisco's docs, the 3620 should be able to handle around 20-40
kpps.

However, the router shows only around 2.6 kpps almost evenly split in/out.

I have been unable to verify exactly on CCO but I suspect that a 3620 cannot
handle (very well) two high-speed interfaces - more specifically if one is
OC3.

I have found info where Cisco, when talking about the OC3 interface for the
3600 series stated:

"Max two high-speed network modules in a Cisco 3640 (includes Fast Ethernet,
ATM, HSSI)"

Now the 3640 has a 100mhz processor and the 3620 has a 80 mhz processor.

I'm wondering if the SAR process is overwhelming the 3620?  I'm sure I read
someplace that only one high-speed interface was recommended for the 3620
but I haven't found that info again.

Considering the low level of traffic, what else could be keeping the cpu
utilization up so high?  Need more info. let me know!

Kevin Wigle


- Original Message -
From: "Phillip Heller" <[EMAIL PROTECTED]>
To: "Kevin Wigle" <[EMAIL PROTECTED]>
Cc: "cisco" <[EMAIL PROTECTED]>
Sent: Monday, February 12, 2001 2:12 PM
Subject: Re: Can someone interpret this please?


> On Mon, 12 Feb 2001, Kevin Wigle wrote:
>
> Dear group,
>
> Investigating a router that is starting to loaded down.  When I do a
sh proc
> cpu I get 50% or cpu utilization but the stats don't seem to add up to
50%.
>
> Is there another way to try and see where the 50% is coming from?
>
> sh proc cpu
> CPU utilization for five seconds: 44%/44%; one minute: 50%; five
minutes:
> 52%
>
> The five second utilization numbers in the above line (44%/44%) represent
> two things.  The first number is total processor utilization and the
> second is processor utilization due to interrupts.  The difference in
> these two numbers would be the sum of 5sec utilization by all other
> processes.
>
> If utilization due to interrupts increases over time, it represents
> traffic growth.  If it jumps alot in a short amount of time, it may be a
> DoS attack.  You can verify the latter by turning on "ip route-cache flow"
> on suspected interfaces and then looking at the output of "sh ip cache
> flow".
>
> If the processor gets too high with legitimate traffic, you can use cef or
> dcef (ip route-cache cef, ip cef distributed).
>
> Failing that, you'll probably more beefy hardware.
>
> Regards,
>
>   --phil

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RE: Windows 2000 sniffer

[Bob Johnson]

EtherPeek 4.1 works on Win2K also. Coming from a Mac background I've always
been quite "snobbish" about Etherpeek. However I had a chance to play with
SnifferPro4.5 for a few days last week (a friend works at a place with a
much larger budget than I get) and have to say that it's decoders are better
than EtherPeek.

Now if only SnifferPro would show the packets as they capture them (someting
that it's predecessor NetXray had, I believe) I would be truly converted.
Seeing packets as them come on the wire (rather than having to stop to
decode them) has helped me with problems in the past

There is also a large price difference also Plus SnifferPro has hardware
capture devices for just about every transport possible.

Bob 




-Original Message-
From: Christopher Supino [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 10:12 AM
To: [EMAIL PROTECTED]
Subject: Windows 2000 sniffer


Can anyone recommend a good sniffer program for Windows 2000?
I am having problems attempting to run the NT version on 2000.


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RE: environmental device

[Bob Johnson]

I've used the following which (a year or so ago) was the cheapest setup I
could find
>From APC get the following parts:

Triple expansion chassis (it's rack mountable)
SNMP card
Temp and Humidity Card (also has 4 inputs for switches)

Put the 2 cards into the chassis, configure the SNMP card (which also has
web and telnet abilities) and you have a system. You do not need anything
else (such as an APC UPS)... With the contact inputs you can monitor
everything from the closet doors to alarm outputs on other equipment...
I can't take credit for the system as I stumbled on a posting describing the
setup and tried it out...
Perhaps there is something cheaper on the market now but I couldn't find
anything a teay or so ago. I needed the contact inputs more than the temp
and humidity

Bob





-Original Message-
From: Jim Newton [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 10:43 AM
To: [EMAIL PROTECTED]
Subject: environmental device


I am looking for a device that will monitor environmental conditions in a
data center or LAN closet that is SNMP pollable.

Any leads would be appreciated

[EMAIL PROTECTED]

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Re: Connecting 2 routers via 56K CSU/DSU's?

[Bob Timmons]

Doh.

Never mind.  Someone pointed me to:
http://www.cisco.com/warp/public/471/75.html#command

Thanks again,
Bob

""Bob Timmons"" <[EMAIL PROTECTED]> wrote in message
969h6n$50m$[EMAIL PROTECTED]">news:969h6n$50m$[EMAIL PROTECTED]...
> Thanks Jack.  Do you know, or does anyone for that matter, for sure that
> this works?  I
> currently only  have 1 56K CSU/DSU module and would like to purchase
> another, though
> I want to be sure it works prior to purchasing.
>
> Thanks again,
> Bob
>
> ""Jack Yu"" <[EMAIL PROTECTED]> wrote in message
> 969daj$e10$[EMAIL PROTECTED]">news:969daj$e10$[EMAIL PROTECTED]...
> > Bob,
> >
> > 1-2, 7-8, then you are all set.
> > One more thing, you probably want to configure one side as clock
internal,
> > the other as line.
> >
> > HTH
> > Jack
> >
> >
> > ""Bob Timmons"" <[EMAIL PROTECTED]> wrote in message
> > 969cre$bd0$[EMAIL PROTECTED]">news:969cre$bd0$[EMAIL PROTECTED]...
> > > All,
> > >
> > > Does anyone know if I can connect my 2-2524's via their 4-wire 56K
> > > CSU/DSU's?  I know I can connect them via the 5-in-1 modules with a
DB60
> > > back-to-back cable, but I don't know if a 56K will connect to another
> 56K
> > > module.
> > >
> > > Thanks,
> > > Bob
> > >
> > >
> > > _
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> > >
> >
> >
> > _
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
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> >
>
>
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Re: Connecting 2 routers via 56K CSU/DSU's?

[Jack Yu]

http://www.cisco.com/warp/public/471/75.html


HTH
Jack


Pager: (888) 667 4522
""Bob Timmons"" <[EMAIL PROTECTED]> wrote in message
969h6n$50m$[EMAIL PROTECTED]">news:969h6n$50m$[EMAIL PROTECTED]...
> Thanks Jack.  Do you know, or does anyone for that matter, for sure that
> this works?  I
> currently only  have 1 56K CSU/DSU module and would like to purchase
> another, though
> I want to be sure it works prior to purchasing.
>
> Thanks again,
> Bob
>
> ""Jack Yu"" <[EMAIL PROTECTED]> wrote in message
> 969daj$e10$[EMAIL PROTECTED]">news:969daj$e10$[EMAIL PROTECTED]...
> > Bob,
> >
> > 1-2, 7-8, then you are all set.
> > One more thing, you probably want to configure one side as clock
internal,
> > the other as line.
> >
> > HTH
> > Jack
> >
> >
> > ""Bob Timmons"" <[EMAIL PROTECTED]> wrote in message
> > 969cre$bd0$[EMAIL PROTECTED]">news:969cre$bd0$[EMAIL PROTECTED]...
> > > All,
> > >
> > > Does anyone know if I can connect my 2-2524's via their 4-wire 56K
> > > CSU/DSU's?  I know I can connect them via the 5-in-1 modules with a
DB60
> > > back-to-back cable, but I don't know if a 56K will connect to another
> 56K
> > > module.
> > >
> > > Thanks,
> > > Bob
> > >
> > >
> > > _
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> > >
> >
> >
> > _
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> >
>
>
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Re: Connecting 2 routers via 56K CSU/DSU's?

[Suntian Song]

http://www.cisco.com/warp/public/471/75.html

- Original Message -
From: Bob Timmons <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
To: <[EMAIL PROTECTED]>
Sent: Monday, February 12, 2001 13:09
Subject: Connecting 2 routers via 56K CSU/DSU's?


> All,
>
> Does anyone know if I can connect my 2-2524's via their 4-wire 56K
> CSU/DSU's?  I know I can connect them via the 5-in-1 modules with a DB60
> back-to-back cable, but I don't know if a 56K will connect to another 56K
> module.
>
> Thanks,
> Bob
>
>
> _
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
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>

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Re: Can someone interpret this please?

[John Neiberger]

The CPU is being chewed up by fast switching, which doesn't show up in the output 
except for five-second utilization.  The percentage after the "/" shows 
interrupt-level CPU usage.  

I had a similar problem when we were migrating from Netware 4 to Netware 5.  A couple 
of different times we created routing loops and the processor usage on our 7513 went 
berserk.  After we cleared IPX routes, the problem went away.

HTH,
John

> 
> Dear group,
> 
> Investigating a router that is starting to loaded down.  When I do a sh proc
> cpu I get 50% or cpu utilization but the stats don't seem to add up to 50%.
> 
> Is there another way to try and see where the 50% is coming from?
> 
> sh proc cpu
> CPU utilization for five seconds: 44%/44%; one minute: 50%; five minutes:
> 52%
>  PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
>1   43764   2491562 17   0.00%  0.00%  0.00%   0 Load Meter
>2 11636   3222   0.24%  0.05%  0.01%  66 Virtual Exec
>318930504   1542973  12268   0.00%  0.12%  0.11%   0 Check heaps
>4   0 1  0   0.00%  0.00%  0.00%   0 Chunk Manager
>51876  1047   1791   0.00%  0.00%  0.00%   0 Pool Manager
>6   0 2  0   0.00%  0.00%  0.00%   0 Timers
>7   0 2  0   0.00%  0.00%  0.00%   0 Serial Backgroun
>8   0 1  0   0.00%  0.00%  0.00%   0 OIR Handler
>9   22296414731 53   0.00%  0.00%  0.00%   0 Environmental mo
>   10  218428427878510   0.00%  0.00%  0.00%   0 ARP Input
>   11   0 2  0   0.00%  0.00%  0.00%   0 DDR Timers
>   12   0 2  0   0.00%  0.00%  0.00%   0 Dialer event
>   13   4 2   2000   0.00%  0.00%  0.00%   0 Entity MIB API
>   14   0 1  0   0.00%  0.00%  0.00%   0 SERIAL A'detect
>   15   0 1  0   0.00%  0.00%  0.00%   0 Critical Bkgnd
>   16 1813952   1898284955   0.00%  0.01%  0.00%   0 Net Background
>   17 280   401698   0.00%  0.00%  0.00%   0 Logger
>   18  753540  12440407 60   0.00%  0.00%  0.00%   0 TTY Background
>   19  890280  12440425 71   0.00%  0.00%  0.00%   0 Per-Second Jobs
>   20   4 2   2000   0.00%  0.00%  0.00%   0 VNM DSPRM MAIN
>   21  418788  12440411 33   0.00%  0.00%  0.00%   0 Partition Check
>  PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
>   22   0 1  0   0.00%  0.00%  0.00%   0 Net Input
>   23   31676   2491564 12   0.00%  0.00%  0.00%   0 Compute load avg
>   24 6663988207365  32136   0.00%  0.03%  0.00%   0 Per-minute Jobs
>   25  271380   9070214 29   0.00%  0.00%  0.00%   0 NTP
>   26   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM Input
>   27   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM TIMER
>   28  376484   3755446100   0.00%  0.00%  0.00%   0 ATM Periodic
>   29   0 1  0   0.00%  0.00%  0.00%   0 ATM ARP INPUT
>   3041599556  18711784   2223   0.16%  0.33%  0.32%   0 IP Input
>   31  816012   1448197563   0.00%  0.00%  0.00%   0 CDP Protocol
>   32   0 1  0   0.00%  0.00%  0.00%   0 Asy FS Helper
>   33   4 1   4000   0.00%  0.00%  0.00%   0 PPP IP Add Route
>   34 684 20737 32   0.00%  0.00%  0.00%   0 MOP Protocols
>   35   0 1  0   0.00%  0.00%  0.00%   0 X.25 Encaps Mana
>   36   0 1  0   0.00%  0.00%  0.00%   0 MPC Router Proce
>   37 1579312207411   7614   0.00%  0.00%  0.00%   0 IP Background
>   38 728  1317552   0.00%  0.00%  0.00%   0 SSCOP Input
>   39 352   856411   0.00%  0.00%  0.00%   0 SSCOP Output
>   40   36792210450174   0.00%  0.00%  0.00%   0 SSCOP Timer
>   41 19659   3322   0.00%  0.00%  0.00%   0 ILMI Input
>   42   0 1  0   0.00%  0.00%  0.00%   0 SNMP Timers
>   43  518476167742   3090   0.00%  0.00%  0.00%   0 ILMI Request
>  PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
>   44   43616205621212   0.00%  0.00%  0.00%   0 ILMI Response
>   45  610604   1171380521   0.00%  0.00%  0.00%   0 ILMI Timer Proce
>   46  36 3  12000   0.00%  0.00%  0.00%   0 ATM PVC Discover
>   47   0 2  0   0.00%  0.00%  0.00%   0 ATMSIG ILMI Time
>   48  443584  12441294 35   0.00%  0.00%  0.00%   0 ATMSIG Timer
>   49 224   429522   0.00%  0.00%  0.00%   0 ATMSIG Input
>   50   0 2  0   0.00%  0.00%  0.00%   0 ATMSIG Client
>   51   42576304189139   0.00%  0.01%  0.00%   0 TCP Timer
>   52 532   156   3410   0.00%  0.00%  0.00%   0 TCP Protocols
>   53   0 1  0   0.00%  0.00%  0.00%   0 Probe Input
>   54 

broadcast HTTP

[g]

I have a problem with users listening to the radio via the Internet. How can
I block this access but still allow Internet surfing? The browser popup
window, through which the radio is played, says it uses HTTP
broadcast/unicast.

-g


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ROUTER SIM at a Great price

[manoj kumar]

Hi,
 I have a used copy of CCNA 2.0 Router sim and switch sim
which helped me to clear my ccna and CCNP switching..

 If You are interested in it please wirte to me

 Regards

 kumar


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Re: Connecting 2 routers via 56K CSU/DSU's?

[Bob Timmons]

Thanks Jack.  Do you know, or does anyone for that matter, for sure that
this works?  I
currently only  have 1 56K CSU/DSU module and would like to purchase
another, though
I want to be sure it works prior to purchasing.

Thanks again,
Bob

""Jack Yu"" <[EMAIL PROTECTED]> wrote in message
969daj$e10$[EMAIL PROTECTED]">news:969daj$e10$[EMAIL PROTECTED]...
> Bob,
>
> 1-2, 7-8, then you are all set.
> One more thing, you probably want to configure one side as clock internal,
> the other as line.
>
> HTH
> Jack
>
>
> ""Bob Timmons"" <[EMAIL PROTECTED]> wrote in message
> 969cre$bd0$[EMAIL PROTECTED]">news:969cre$bd0$[EMAIL PROTECTED]...
> > All,
> >
> > Does anyone know if I can connect my 2-2524's via their 4-wire 56K
> > CSU/DSU's?  I know I can connect them via the 5-in-1 modules with a DB60
> > back-to-back cable, but I don't know if a 56K will connect to another
56K
> > module.
> >
> > Thanks,
> > Bob
> >
> >
> > _
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >
>
>
> _
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Re: RIF and dlsw

[Jeff McCoy]

2 rifs for this...
.0021.00a0
.0485.0080


""Garry Baker"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Guys,
>
> I am having some problems understanding what the rif should be fro a dlsw
connection. I understand how to get the rif for a standard srb network but
can't get my head around dlsw terminating the rif. If you had the following
scenerio, what would be the rif from host a to host b and vice versa?
>
>
>
>
> Host-a   -- ring 2 - -bridge 1 --virtual ring 10 --  virtual ring
30 --bridge 5-- ring 8
>
>
>
> Bakes
>
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Here you have, ;o)

[Josh Baxter]

Hi:
Check This!

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HORRAY !!!! PASSED ROUTING 2 ....UK CCIE LABS

[Stephen Skinner]

Group

Horray horray i squeezzzed paste the routing 2.0 
exam with 759...O funny exam was expecting lots of in-depth 
questions and i didn`t get them .some just not as many as i 
expected.Bloddy good job too...


any way after this quite shocking result ... i think i need a lab.anyone 
give any recommendations for UK CCIE labs...

Thanks

Ta Ta for now ...

steve
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dhcp on 3640

[Jeff Frontera]

Can a 3640 be configured to act as a dhcp server...how do I set it up??

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Re: Can someone interpret this please?

[Phillip Heller]

On Mon, 12 Feb 2001, Kevin Wigle wrote:

Dear group,

Investigating a router that is starting to loaded down.  When I do a sh proc
cpu I get 50% or cpu utilization but the stats don't seem to add up to 50%.

Is there another way to try and see where the 50% is coming from?

sh proc cpu
CPU utilization for five seconds: 44%/44%; one minute: 50%; five minutes:
52%

The five second utilization numbers in the above line (44%/44%) represent
two things.  The first number is total processor utilization and the
second is processor utilization due to interrupts.  The difference in
these two numbers would be the sum of 5sec utilization by all other
processes.

If utilization due to interrupts increases over time, it represents
traffic growth.  If it jumps alot in a short amount of time, it may be a
DoS attack.  You can verify the latter by turning on "ip route-cache flow"
on suspected interfaces and then looking at the output of "sh ip cache
flow".

If the processor gets too high with legitimate traffic, you can use cef or
dcef (ip route-cache cef, ip cef distributed).

Failing that, you'll probably more beefy hardware.

Regards,

  --phil

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Here you have, ;o)

[BKaplan]

Hi:
Check This!

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Re: Windows 2000 sniffer

[Kevin_Cullimore]

NAI 4.5 works on Windows 2000 if you have a NIC they support.

I can confirm that it works with Xircom RealPort cards (note: it did NOT
work pre-service release)





"Christopher Supino" <[EMAIL PROTECTED]>@groupstudy.com on 02/12/2001
01:11:49 PM

Please respond to "Christopher Supino" <[EMAIL PROTECTED]>

Sent by:  [EMAIL PROTECTED]

To:   <[EMAIL PROTECTED]>
cc:(bcc: Kevin Cullimore)
Subject:  Windows 2000 sniffer


Can anyone recommend a good sniffer program for Windows 2000?
I am having problems attempting to run the NT version on 2000.


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| information.  If you are not the addressee or authorized to |
| receive this for the addressee, you must not use, copy, |
| disclose or take any action based on this message or any|
| information herein.  If you have received this message in   |
| error, please advise the sender immediately by reply e-mail |
| and delete this message.  Thank you for your cooperation.   |
+-+

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Re: ISDN dialout

[ICPPhila_Email_Review]

Jim,

It depends on what how you are telling the backup router that the primary is
down.
If you can use HSRP, any of the routing protocols and even dialer
watch-group. They all have their own timing knobs, just setup different
timer should solve your problem.

Gook Luck

Jack


"Jim Bond" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Jack and other mighties,
>
> We have two routers at each office, one for frame
> relay and the other one for ISDN backup. I don't want
> ISDN line come up as soon as frame relay is down
> 'cause it might be a glitch. How do I put a delay on
> ISDN dialer interface? I don't think "backup delay"
> will work here.
>
> Thanks in advance.
>
>
> Jim
>
> --- Jack Yu <[EMAIL PROTECTED]> wrote:
> > Santosh,
> >
> > I am afraid the dialer-hold queue will not wait 10
> > secs before dialing, it
> > just tells the router
> > to wait for the ISDN to come up, meanwhile hold the
> > 20 packets for 10 sec,
> > if the ISDN does not come up within the timeout
> > period, the router drops the
> > packets.
> > It does not delay the ISDN calls.
> >
> > I think Jim better tell us what he is trying to
> > accomplish.
> >
> > Thanks
> > Jack
> >
> > -
> > ""Santosh Koshy"" <[EMAIL PROTECTED]> wrote in
> > message
> > 967jsi$dit$[EMAIL PROTECTED]">news:967jsi$dit$[EMAIL PROTECTED]...
> > > Jim,
> > >
> > > I dont think you can just specifiy a time
> > delay for the ISDN to
> > kick
> > > in. What you can do, is queue the packets in a
> > buffer until a specified
> > time
> > > has reached, before initiating a dial. This is
> > acheived by issuing the
> > > "dialer hold-queue" command. Let me give u an
> > example.
> > >
> > > dialer hold-queue  timeout 
> > >
> > >  = can be within the range of 0-100
> > >  =  0 to unlimited
> > >
> > > So in your case, where u want to start the dial
> > after 10 secs, you can do
> > > the following :=
> > > dialer hold-queue 20 timeout 10
> > >
> > > The above command will hold 20 packets in the
> > queue OR wait for 10 secs
> > > before dialing; whicever comes first. If you think
> > 50 packets is too low,
> > > you can increase it to a max of 100.
> > >
> > > Hope that helps,
> > > Santosh Koshy
> > > ---
> > > Communications Analyst
> > >
> > >
> > >
> > >
> > > "Jim Bond" <[EMAIL PROTECTED]> wrote in message
> > >
> >
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > > Hello,
> > > >
> > > > I'm wondering if I can put a delay, say 10
> > seconds, on
> > > > a dialer interface so that ISDN will NOT come up
> > > > immediately after interesting traffic comes?
> > > >
> > > > Thanks in advance.
> > > >
> > > >
> > > > Jim
> > > >
> > > >
> > __
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RE: Windows 2000 sniffer

[Tim Lovelace]

Ethereal runs fine on Win2K and is free! ethereal.zing.org

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Christopher Supino
Sent: Monday, February 12, 2001 12:12 PM
To: [EMAIL PROTECTED]
Subject: Windows 2000 sniffer


Can anyone recommend a good sniffer program for Windows 2000?
I am having problems attempting to run the NT version on 2000.


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environmental device

[Jim Newton]

I am looking for a device that will monitor environmental conditions in a
data center or LAN closet that is SNMP pollable.

Any leads would be appreciated

[EMAIL PROTECTED]

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Here you have, ;o)

[Lee]

Hi:
Check This!

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RE: Windows 2000 sniffer

[Syed, Junaid]

sniffer pro 4.5 (from network associates )
it works like a champ on win2k 

-Original Message-
From: Christopher Supino [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 10:12 AM
To: [EMAIL PROTECTED]
Subject: Windows 2000 sniffer


Can anyone recommend a good sniffer program for Windows 2000?
I am having problems attempting to run the NT version on 2000.


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please unsubscribe me

[Hubert Pun]

Thank you

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Lab Swap Date - 3/13 at RTP

[Steve Gyurindak]

I am looking to swap my date on March 13th and 14th for a date in late =
April or early May.  The lab is scheduled for the RTP location.

Steve

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Re: T1 Link

[Tom Lisa]

Thanks for the additional info Priscilla.  I had always thought that the "service 
config" statement
was a default with IOS 11.0 and later.

Tom Lisa, Instructor, CCNA, CCAI
Community College of Southern Nevada
Cisco Regional Networking Academy

Priscilla Oppenheimer wrote:

> Yes, it's definitely worth mentioning that SLARP can be a pain, especially
> in a lab environment or training classroom. You connect two routers
> together over a serial back-to-back cable. Turn on one router and configure
> the IP address and subnet mask. Turn on the other router, and if you're not
> quick, the darn thing will SLARP. Then it sits there forever (seems like
> forever at least), doing reverse DNS to find its name, and trying to find a
> TFTP server to download the rest of its config. To make matters worse it
> puts the "service config" command in the config file, which causes it to
> look for a server every time you reboot (if you save the config).
>
> A few times a month we get the question about the router looking for its
> config from a server. The answers always say to add "no service config" to
> your config, but the answers don't explain how the annoying "service
> config" line got in your config to start with. It's probably that slippery
> SLARP.
>
> To be totally accurate, it's AutoInstall that does this, but that's not s
> fun to say. &;-) SLARP is one component of AutoInstall in an HDLC
> environment. AutoInstall can also work with Frame Relay, Ethernet, Token
> Ring, and FDDI, according to the doc here:
>
> 
>http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/fun_c/fcprt1/fccfgtoo.htm
>
> Thanks for the great ideas on making TCP more relevant to my students,
> Marty. Offline, if you get a chance, could you tell me more about tweaking
> your TCP stack on Windows? Thanks.
>
> Priscilla
>
> At 12:37 PM 2/10/01, Marty Adkins wrote:
> >Priscilla Oppenheimer wrote:
> > >
> > > Yup, SLARP is pretty cool. It's one good reason to use HDLC. It makes
> > > configuration so easy. Also, the students will love saying SLARP. I'm
> > > helping out with the academy at our local high school, as I've mentioned
> > > before. Those students will love saying SLARP, over and over and over
> > again.
> > >
> >Unless autoinstall has changed in the last year or so, it used to first
> >try HCLC, then PPP, then Frame Relay, and I think there was a forth one.
> >Yes, SLARP is very cool... when you want it.  When you don't, it sure
> >adds a bunch of time -- if the SLARP succeeds, then IOS gets very patient
> >broadcasting rDNS, TFTP, etc. etc.
> >
> > > I'm having a hard time, in general, teaching networking to kids who don't
> > > really love it and don't have to know it for their jobs. I got spoiled,
> > > teaching classes to people who had paid money to be there and needed the
> > > info to survive on the job. I'm sure it's quite different at a community
> > > college, but you probably get some young people too. Any advice?? Thanks!
> > >
> >Hmmm, tell them you're going to teach them TCP/IP operation so they can
> >learn how to tweak their TCP stack and soup up those Napster downloads!
> >:-)  :-)
> >
> >- Marty
>
> 
>
> Priscilla Oppenheimer
> http://www.priscilla.com
>
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Can someone interpret this please?

[Kevin Wigle]

Dear group,

Investigating a router that is starting to loaded down.  When I do a sh proc
cpu I get 50% or cpu utilization but the stats don't seem to add up to 50%.

Is there another way to try and see where the 50% is coming from?

sh proc cpu
CPU utilization for five seconds: 44%/44%; one minute: 50%; five minutes:
52%
 PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
   1   43764   2491562 17   0.00%  0.00%  0.00%   0 Load Meter
   2 11636   3222   0.24%  0.05%  0.01%  66 Virtual Exec
   318930504   1542973  12268   0.00%  0.12%  0.11%   0 Check heaps
   4   0 1  0   0.00%  0.00%  0.00%   0 Chunk Manager
   51876  1047   1791   0.00%  0.00%  0.00%   0 Pool Manager
   6   0 2  0   0.00%  0.00%  0.00%   0 Timers
   7   0 2  0   0.00%  0.00%  0.00%   0 Serial Backgroun
   8   0 1  0   0.00%  0.00%  0.00%   0 OIR Handler
   9   22296414731 53   0.00%  0.00%  0.00%   0 Environmental mo
  10  218428427878510   0.00%  0.00%  0.00%   0 ARP Input
  11   0 2  0   0.00%  0.00%  0.00%   0 DDR Timers
  12   0 2  0   0.00%  0.00%  0.00%   0 Dialer event
  13   4 2   2000   0.00%  0.00%  0.00%   0 Entity MIB API
  14   0 1  0   0.00%  0.00%  0.00%   0 SERIAL A'detect
  15   0 1  0   0.00%  0.00%  0.00%   0 Critical Bkgnd
  16 1813952   1898284955   0.00%  0.01%  0.00%   0 Net Background
  17 280   401698   0.00%  0.00%  0.00%   0 Logger
  18  753540  12440407 60   0.00%  0.00%  0.00%   0 TTY Background
  19  890280  12440425 71   0.00%  0.00%  0.00%   0 Per-Second Jobs
  20   4 2   2000   0.00%  0.00%  0.00%   0 VNM DSPRM MAIN
  21  418788  12440411 33   0.00%  0.00%  0.00%   0 Partition Check
 PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
  22   0 1  0   0.00%  0.00%  0.00%   0 Net Input
  23   31676   2491564 12   0.00%  0.00%  0.00%   0 Compute load avg
  24 6663988207365  32136   0.00%  0.03%  0.00%   0 Per-minute Jobs
  25  271380   9070214 29   0.00%  0.00%  0.00%   0 NTP
  26   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM Input
  27   0 2  0   0.00%  0.00%  0.00%   0 ATM OAM TIMER
  28  376484   3755446100   0.00%  0.00%  0.00%   0 ATM Periodic
  29   0 1  0   0.00%  0.00%  0.00%   0 ATM ARP INPUT
  3041599556  18711784   2223   0.16%  0.33%  0.32%   0 IP Input
  31  816012   1448197563   0.00%  0.00%  0.00%   0 CDP Protocol
  32   0 1  0   0.00%  0.00%  0.00%   0 Asy FS Helper
  33   4 1   4000   0.00%  0.00%  0.00%   0 PPP IP Add Route
  34 684 20737 32   0.00%  0.00%  0.00%   0 MOP Protocols
  35   0 1  0   0.00%  0.00%  0.00%   0 X.25 Encaps Mana
  36   0 1  0   0.00%  0.00%  0.00%   0 MPC Router Proce
  37 1579312207411   7614   0.00%  0.00%  0.00%   0 IP Background
  38 728  1317552   0.00%  0.00%  0.00%   0 SSCOP Input
  39 352   856411   0.00%  0.00%  0.00%   0 SSCOP Output
  40   36792210450174   0.00%  0.00%  0.00%   0 SSCOP Timer
  41 19659   3322   0.00%  0.00%  0.00%   0 ILMI Input
  42   0 1  0   0.00%  0.00%  0.00%   0 SNMP Timers
  43  518476167742   3090   0.00%  0.00%  0.00%   0 ILMI Request
 PID  Runtime(ms)  Invoked  uSecs5Sec   1Min   5Min TTY Process
  44   43616205621212   0.00%  0.00%  0.00%   0 ILMI Response
  45  610604   1171380521   0.00%  0.00%  0.00%   0 ILMI Timer Proce
  46  36 3  12000   0.00%  0.00%  0.00%   0 ATM PVC Discover
  47   0 2  0   0.00%  0.00%  0.00%   0 ATMSIG ILMI Time
  48  443584  12441294 35   0.00%  0.00%  0.00%   0 ATMSIG Timer
  49 224   429522   0.00%  0.00%  0.00%   0 ATMSIG Input
  50   0 2  0   0.00%  0.00%  0.00%   0 ATMSIG Client
  51   42576304189139   0.00%  0.01%  0.00%   0 TCP Timer
  52 532   156   3410   0.00%  0.00%  0.00%   0 TCP Protocols
  53   0 1  0   0.00%  0.00%  0.00%   0 Probe Input
  54   0 1  0   0.00%  0.00%  0.00%   0 RARP Input
  55   0 1  0   0.00%  0.00%  0.00%   0 HTTP Timer
  56   0 1  0   0.00%  0.00%  0.00%   0 Socket Timers
  57  16 6   2666   0.00%  0.00%  0.00%   0 DHCPD Receive
  58 9109988207362  43933   0.00%  0.13%  0.12%   0 IP Cache Ager
  59   0 1  0   0.00%  0.00%  0.00%   0 PAD InCall
  60   0 2  0   0.00%  0.00%  0.00%   0 X.25 Background
  61   49512207365238   0.00%  0.00%  0.00%   0 TCP Inte

RE: Networking White Papers (NAP and BGP)

[Howard C. Berkowitz]

>Based on paliminary research, BGP seems to be the major protocol at 
>the NAP level.  Is that true?

Yes.

What problem are you trying to solve?

>And if so, why?  Furthermore, why is so much attention given to one protocol?

I don't really understand this question. Exchange points are 
completely concerned with interdomain routing. The only standard 
protocol for interdomain routing is BGP.

>   Is it the only protocol for the job of exchanging routes at the NAP level?

Yes/

>  Finally, will BGP continue to be the protocol of choice as IPv6 develops?

Yes, that is one of the purposes for BGP address family extensions.

>
>Thanks!
>
>-Original Message-
>From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
>Sent: Saturday, February 10, 2001 4:54 PM
>To: [EMAIL PROTECTED]
>Subject: RE: Networking White Papers (NAP and BGP)
>
>
>>As defined in the industry, a Network Access Point (NAP) is a major
>>connection point in the global Internet.  It is like a
>>Point-of-Presence (POP) but it is high bandwidth.  Currently there
>>are 5 major NAP in the US, but I need white papers on the
>>construction of these major POPs.  Hope that helps!
>
>NAP is a historical term for what more frequently is called an
>exchange point; there are many more than five in the US and indeed an
>increasing number worldwide.  There's normally a panel discussion on
>"news from the exchanges" at each NANOG meeting
>(http://www.nanog.org), and there are exchange working group meetings
>at the RIPE meetings for Europe (http://www.ripe.net)  Before even
>beginning to think about designing an exchange or carrier-grade POP,
>be very familiar with the NANOG and RIPE meeting presentations and
>with their mailing list minutes.
>
>Cisco has some good references:
>
>ISP Essentials Power Session
> 
>http://www.cisco.com/public/cons/isp/documents/IOSEssentials_Seminar.zip
>
>BGP Routing Workshop
> 
>http://www.cisco.com/public/cons/workshops/bgp/
>
>I discuss some aspects of exchange points in my BGP tutorial series
>at http://www.certificationzone.com.  This coming weekend, at NANOG
>in Atlanta, I'll be doing an exterior routing tutorial that will
>partially discuss exchanges and POPs. Slides should be up by Sunday.
>The presentations may be webcast, but I'm not sure. Check the NANOG
>site.
>
>The classic exchange point design features a carrier-grade physical
>facility, racks for the individual providers' routers, and a common
>layer 2 (sometimes layer 3) fabric to interconnect them.  In the
>original NAPs, the providers often kept the BGP workload down by not
>having a direct BGP connection to every other provider there, but to
>one or more route servers -- BGP code running on UNIX boxes that do
>no forwarding, but build the maps of the exchange point. Today, there
>is less emphasis on the route servers for primary BGP, but there is
>still peering to them for statistics gathering.
>
>Some exchanges use a distributed switched fabric, so there is not one
>physical room.  Instead, the participating providers are linked by
>ATM.
>
>It's something of an urban legend that the top-level providers do
>significant traffic exchange at the exchange points.  At that level,
>they are far more likely to have private peerings over direct OC-3 or
>faster links.  Exchange points, however, are useful for medium level
>providers in a given urban or geographic area.  Indeed, there is an
>ever-growing trend to having metropolitan exchange points among
>cooperating ISPs in small cities.
>
>The traditional exchange is for ISPs only, but the line between
>hosting centers and exchanges is constantly getting more blurry.
>
>Large provider POPs are not necessarily smaller than exchanges, but
>simply have a different management and operational model.
>
>I don't want to be negative, but if someone hasn't been playing in
>the ISP area for a while, is familiar with the NANOG/RIPE materials,
>etc., they aren't remotely ready to design a carrier-grade POP or
>exchange by themselves.  Cisco consulting engineers, and I'd assume
>Juniper as well, can be very helpful when such a project is being
>considered.
>
>>
>>-Original Message-
>>From: Peter Van Oene [mailto:[EMAIL PROTECTED]]
>>Sent: Saturday, February 10, 2001 1:01 PM
>>To: Hinton Bandele-NBH281
>>Subject: Re: Networking White Papers (NAP and BGP)
>>
>>
>>What exactly do you consider a NAP to be?
>>
>>*** REPLY SEPARATOR  ***
>>
>>On 2/9/2001 at 9:14 AM Hinton Bandele-NBH281 wrote:
>>
>>>I am setting up a NAP using 3600's and need a site or location for
>>>obtaining whitepapers on both NAP's and BGP.  I am going to use BGP
>>>for router redundancy across multiple ISPs.  Where can I find these
>>>whitepapers on these two subjects?
>>>
>>>Thanks!
>>>
>>>Bandele Hinton
>>>Motorola Corporation
>>   >630-353-8286 (office)
>>>877-992-7925 (pager)
>>>[EMAIL PROTECTED]
>>>

Re: Changes in the Cisco certification structure for CCNA & CCNP Specializations

[Fred Danson]

It says "As of February 12, 2001, new Cisco Security Specialist and Cisco 
SNA/IP Specialist designations replace the former CCNP and CCDP 
Specializations." In other words, the new specializations are replacing the 
old specializations, not the base tests themselves.



>Hi all,
>
>I just looked at this linke and on the first page, saw this:
>
> "As of February 12, 2001, new Cisco Security Specialist and Cisco 
>SNA/IP
>Specialist designations replace the former CCNP and CCDP Specializations."
>
>Am I reading thsi right?  Thid *does* say that the CSP and CSNA/IP *does*
>REPLACE the CCNP and CCDP - doesn't it?  How can this be?
>
>P.S.  If that is not what it clearly states, then maybe that is one of the
>many reasons that I can't pass that darn CCIE written :-(
>
>--perry
>- Original Message -
>From: "MIRSKY Carl" <[EMAIL PROTECTED]>
>To: "'Arthur Stewart'" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
>Sent: Monday, February 12, 2001 7:59 AM
>Subject: RE: Changes in the Cisco certification structure for CCNA & CCNP
>Specializations
>
>
> > Ahh Marketing..
> >
> >
> > -Original Message-
> > From: Arthur Stewart [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, February 12, 2001 7:52 AM
> > To: [EMAIL PROTECTED]
> > Subject: Changes in the Cisco certification structure for CCNA & CCNP
> > Specializations
> >
> >
> > Looks like the three and a half level (CCxA, CCxP, CCxP-Specialization,
> > CCIE) Cisco certification Program is being substantially changed - 
>perhaps
>a
> > sign of more changes to come.  In short, some specializations are no
>longer
> > add-ons to CCxP, now they're add-ons to CCxA
> >
> > http://www.cisco.com/warp/public/10/wwtraining/whats_new/#certifications
> >
> > http://www.cisco.com/warp/public/10/wwtraining/certprog/cqs.html
> >
> > Arthur Stewart
> >
> >
> > _
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