At 2:50 AM + 6/28/03, Hemingway wrote:
Is that Ernest, Margot, or Mariel?
>for those using some mix of 26xx routers in their study labs, one can now
>get the "enterprise basic" IOS load, which includes such things as IS-IS,
>BGP, MPLS, CEF, but none of the obsolte crap such as Apollo and
>Priscilla Oppenheimer wrote:
>>
>> Zsombor Papp wrote:
>> >
>> > As a side question, do you think that TCP must run over IP? :)
>>
>> I forgot to comment on that very important question! :-)
>>
>> I've never seen TCP run over anything other than IP, although
>> in theory it could.
>
>Has any
Not for any specific performance argument going on, but for all of them.
In the eighties, I presented several papers on SNA performance at the
Computer Measurement Group conference, held in Las Vegas.
My opening line:
"In the casino of network performance, the house always wins."
In other wor
> The point is that in any profession, somewhere along the line, somebody is
> making an arbitrary decision. Medicine, law, you name it - somewhere along
> the line an arbitrary decision is being made. To say that the CCIE
process
> should be any different is really to hold the program to perfec
Original message
>Date: Tue, 24 Jun 2003 21:14:44 GMT
>From: "John Neiberger"
>Subject: Re: CSS Switches... [7:71292]
>To: [EMAIL PROTECTED]
>
> Herlocker, Tim 6/24/03 3:03:10 PM >>>
>>Hi,
>>
>>Just wondering if anybody has worked with the CSS 11000
switches at all.
>We
>>are lo
Priscilla Oppenheimer wrote:
>Has anyone seen TCP run over anything other than IP? I'm curious.
IIRC, even Avian Carriers use IP
> By the way, TCP was developed before IP. Most people assume the
> opposite. At the time, TCP included most of IP's current
> functionality. Then it was wisely de
rbx10 Defcom wrote:
>
> Hi everyone,
> I was wondering if someone can explain to me what is
> "Link-Local to L3 to L2 mapping" under Cisco R&S Blue print
> under In the IP Multicast Section.
My guess is that you don't have the phrase quite right. :-) It's probably
"link local L3-to-L2 mapping" a
"L3 to L2 mapping": how does a multicast IP address translate to a MAC
address.
"link-local": 224.0.0.1-224.0.0.255
"link-local L3 to L2 mapping": how to translate the IP addresses in the
range 224.0.0.1-224.0.0.255 to MAC addresses.
At least that's my guess. :)
I would learn to recognize the O
I think the results may depend on the rev of IOS and line
card you're running. I did some lab testing with a 2610 running
12.2(4)T6 and it looks like this will work via the route-map
(PBR) mechanism. It looks like, in this rev of code, that
if the next-hop is not directly connected, then it wil
for those using some mix of 26xx routers in their study labs, one can now
get the "enterprise basic" IOS load, which includes such things as IS-IS,
BGP, MPLS, CEF, but none of the obsolte crap such as Apollo and Banyan
(still has DEC and DLSw, which I guess will never go away)
an interesting find
Yet another update to the joys of re-certification.
Today I received a "new" certificate for CCNP.
Also a new wallet card.
The certificate doesn't indicate that I've been a CCNP since June 2000.
However, it does say "valid through 6 June 2006".
So, now if you're asked to show proof of certific
Hi everyone,
I was wondering if someone can explain to me what is "Link-Local to L3 to
L2 mapping" under Cisco R&S Blue print under In the IP Multicast Section.
I read Jeff Doyle II on IP Multicasting and other materials on IP Multicast
but I can't seem to depict that concept. Could someone poin
Priscilla Oppenheimer wrote:
>
> Zsombor Papp wrote:
> >
> > As a side question, do you think that TCP must run over IP? :)
>
> I forgot to comment on that very important question! :-)
>
> I've never seen TCP run over anything other than IP, although
> in theory it could.
Has anyone seen TCP
I use EtherPeek Everyday, I love it. But for PURE PROTOCOL ANALYSIS, I
prefer Ethereal. FREE
Mauricio
dre wrote:
> ""J B"" wrote in message ...
>
>>Can someone recommend a couple of good choices for network sniffer
>
> software.
>
>>My company is looking to buy a sniffer to develop a LAN ba
I would like to familiarize myself with Cisco Works. I don't feel the
need to spend Ten of thousands to do so. Does anyone know where we can
get such software to Test.
Thanks in advance guys.
Mauricio
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71575&t=71575
-
At 9:15 AM + 6/27/03, Mwalie W wrote:
>Hi All,
>
>What causes Circuit Flapping? While checking the Network Notices of a
>certain ISP, I see this as a common problem.
>
>This problem can not be solved for all time?
>
>Thanks.
>
>Mwalie
I'm assuming you are referring to BGP flaps in the global I
At 8:29 PM + 6/27/03, dre wrote:
>""Howard C. Berkowitz"" wrote in message ...
>> The tier concept is mostly marketing these days, although there is
>> some technical basis.
>
>> A tier 1 provider never buys transit. It gets all its routes from
>> bilateral peering arrangements. It will h
Hi "P",
Thanks for taking the time to respond to my email. The way the network is
setup (right now) is that PBR is setup on the incoming interface into RtrA
which will only get network traffic from a.a.a.a and never see any traffic
from the incoming interface belonging to b.b.b.b.
a.a.a.a is
Thanks to everyone!
We are going to evaluate your recommendations.
JB
dre wrote:
>
> ""J B"" wrote in message ...
> > Can someone recommend a couple of good choices for network
> sniffer
> software.
> >
> > My company is looking to buy a sniffer to develop a LAN
> baseline.
> >
> > Any recom
I have been using two practice tests for study. The one that came with the
Sybex book, and an older Transcender (bscn) test. The transcender one I
think is a good learning tool because the answers go into detail. For the
Sybex one, I actually use the flash card test on my palm just for repition
Would someone recommend the most referred CCIE R&S lab study guide/workbook
(CCBootCamp, IPExpert, NetMaster, etc.). Thanks much.
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71548&t=71548
--
FAQ, list archives, and subscriptio
douglas mizell wrote:
>
> Jeez,
>
> That is ridiculous, the program is run by Cisco, a
> private
> corporation. It is not a government entity and requiring those
> types of
> prerequisites makes no sense.
Well, to use that line of thought, why not just go all the way? Why require
""Howard C. Berkowitz"" wrote in message ...
> The tier concept is mostly marketing these days, although there is
> some technical basis.
> A tier 1 provider never buys transit. It gets all its routes from
> bilateral peering arrangements. It will have a 24/7 network
> operations center, and a n
Hi,
I have a query regarding Extended object tracking used in HSRP.
Scenario:- We have two IPLCs , each connected to an MGX 8850 at each end.
The MGX 8850s have a FRSM card which is connected to Cisco3745 routers
running IOS ver 12.2(15)T, by back to back DTE-DCE cable combination. We
have confi
Carroll Kong wrote:
> >
> > Look, first of all, I'm obviously not endorsing that anybody
> with x years of
> > experience are automatically handed a ccie number. They
> would still have to
> > pass the test just like anybody else.
>
> I trimmed down some of my extra fluff in the quote, sorry, ju
We have two 507's runing CE 2.51(0), no problems with HDD's in 2 years.
--
Chris Schooley
Group Manager, Telecommunications & Computing
The RAND Corporation
Bolton, Travis D [ITS] wrote:
> Team,
>
> Is anybody having issues with their Content Engines having a lot of hard
> drive failures? If
""J B"" wrote in message ...
> Can someone recommend a couple of good choices for network sniffer
software.
>
> My company is looking to buy a sniffer to develop a LAN baseline.
>
> Any recommendations will be appreciated.
There are two types of worthwhile packet capture software:
1) free Unix-ba
I might even add that a few companies have described themselves as
"tier 0", with the idea that they will dynamically select best routes
based on real-time measurements. I get nervous about that, as we have
enough instabilities caused by too-frequent change in the global
routing system.
Some o
At 4:50 PM + 6/27/03, annlee wrote:
>As an author (with the same publisher, and more or less the same experience,
>I'm afraid), I must comment. A publishing contract is almost as one-sided as
>buying a house -- once you agree, you are stuck with a long-term
>proposition. Knowing that, it's stil
I'm not sure I understand completely why you want to do
this, and it's been a while since I've dinked with PBR,
but here's some thoughts on one might get this to work.
I've done something similar, but not exactly what's below,
so YMMV. Note, VRFs might fit better and I've listed some
details on a
There was some discussion on this a while back, so check the archives at the
following link:
http://www.groupstudy.com/cgi-bin/search
>From what I can recall, the 2600's, 3600's, and others can use the "show
diag" command or the "show version" command. However, I don't believe you
can do it with
Black Jack wrote:
>
> That is very interesting. Can you give us a little more
> background about how your relationship with your publisher went
> so badly wrong?
Sounds like I exaggerated a bit. :-) It didn't go that wrong. The publisher
says that the problems are all related to the economic dow
Zsombor Papp wrote:
>
> As a side question, do you think that TCP must run over IP? :)
I forgot to comment on that very important question! :-)
I've never seen TCP run over anything other than IP, although in theory it
could. The devil in the details though.
Assuming no changes and compatibilit
As a shirt-lifter (an old English expression) I have no idea what you
are talking about.
And, you have confused my cats!
Best regards,
Dom Stocqueler
SysDom Technologies
Visit our website - www.sysdom.org
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Dom wrote:
>
> As a shirt-lifter (an old English expression)
Can you tell us what it means? Or not on this type of list. :-)
> I have no idea
> what you
> are talking about.
> And, you have confused my cats!
>
> Best regards,
>
> Dom Stocqueler
> SysDom Technologies
> Visit our website - www.
There was a long discussion on this some months ago. You may wish to check
the archives.
The short answer is "no".
Several tricks: (a) Include in a banner message.
(b) Create a named access list and then put the serial number in a remark.
ip access-list standard Serial_Number
remark This router'
set port auxiliaryvlan 5/18 none
You'll notice if you do a "show port auxiliary" command, you'll see that
your port 5/18 will be set up with auxiliary vlan 140. Some of the other
ports will be set up as "none", which is what you want for port 5/18. Once
you do the "set port auxiliaryvlan 5/18 none
For grown up sniffing check out Ethereal and for LAN baseline stiff
check out NTop.
Best regards,
Dom Stocqueler
SysDom Technologies
Visit our website - www.sysdom.org
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
J B
Sent: 27 June 2003 14:03
To: [E
The aux vlan is for ip phones to use a separate vlan for the phone data.
Try the no or clear in front of it...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Lesly Verdier
Sent: Friday, June 27, 2003 8:17 AM
To: [EMAIL P
Thanks Howard. I had just been wondering about this very topic myself. You
plugged one of your books, but I learned a lot about this same topic from
another one of your books, which I will plug! :-)
WAN Survival Guide
That book is really helpful for people like myself who mainly work on the
other
I'll make a wild guess:
set port auxiliaryvlan 5/18 none
Let me know if I won anything. :)
Thanks,
Zsombor
At 03:16 PM 6/27/2003 +, Lesly Verdier wrote:
>Hi Group,
>
>on one of our Cat 6500 switches there is this setting:
>
>set port auxiliaryvlan 5/18 140
>
>It is not appropriate and w
As an author (with the same publisher, and more or less the same experience,
I'm afraid), I must comment. A publishing contract is almost as one-sided as
buying a house -- once you agree, you are stuck with a long-term
proposition. Knowing that, it's still hard to make an intelligent choice
unless
At 5:33 AM + 6/27/03, Mwalie W wrote:
>Hi All,
>
>This should be a simple one.
>
>I have heard that we have Tier 1, Tier 2, Tier 3 ISPs.I do assume we only
>have Tier 1 and Tier 2 in the US, Europe and Asia (Japan, China).
>
>In a third world country, can we have Tier 1 and Tier 2? Or we just h
If FTP doesn't work but HTTP does work, it's obviously an upper-layer
problem, as someone else mentioned. One possibility is an access list
somewhere, a firewall, personal firewalls.
Are the affected users on different types of computers, operating systems,
applications? That would be my guess.
O
kuma kk wrote:
>
> hello group,
>
> I am facing a slow response issue on the network, have
> captured the packet
> with etherreal and found that the IP header for the data
> orignated from the
> source hosts have Header checksum as incorrect.
> Noticed this error for all the TCPsegments
>
> E.
Until today I was sure that WRED is a Congestion Avoidance mechanism and
queues like WFQ are Congestion Management mechanism.
Now there is this article saying that WRED is Congestion Management
mechanism and Tail Drop is Congestion Avoidance mechanism .
http://www.cisco.com/univercd/cc/td/doc/pro
Hi,
the output 'sh proc cpu | exc 0.00% 0.00% 0.00%' in both the 99% and
"normal" usually helps a lot. :)
Calculate the difference for every process and find those that are
significantly higher in the first case than in the second. If the
differences don't add up to the difference of the tot
Yes they will, you can download them from Cisco's web site but you need to
have a CCO account.
Alex
""Ashok C Braganza"" wrote in message
news:[EMAIL PROTECTED]
> Can someone tell me, if the following Routers will support Cisco IOS 12.2?
> and where i can find these IOS.
>
> 2501 (16D/16F)(2S,1E)
Is there a command on a 2503 router, I can use to see the router's serial
number(hardware serial number)? What command can I use to see the chassis
serial #?
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71542&t=71542
--
FAQ, list
if you want a performance baseline then you don't really need a protocol
analyzer.
We use solarwinds to monitor the network nodes via snmp and it keeps a
running database of utilization across all our links.
Perfect for trending usage and patterns.
It also has many other good tools: notificatio
Thanks
JB
Daniel Cotts wrote:
>
> EtherPeek from WildPackets, formerly AG Group.
> www.wildpackets.com
>
> > -Original Message-
> > From: J B [mailto:[EMAIL PROTECTED]
> > Sent: Friday, June 27, 2003 8:03 AM
> > To: [EMAIL PROTECTED]
> > Subject: Sniffer Recommendation [7:71523]
> >
>
How can a fiber cable cause errors that prevent users from accessing FTP,
but not HTTP?
(Question is mainly directed to Mr. Piyush Shah as he really formulated his
description as if he suspected that this was the case... :)
Thanks,
Zsombor
At 11:41 AM 6/27/2003 +, [EMAIL PROTECTED] wrote:
Are you saying that Priscilla is changing publishers as other people
shirts?!?
:)
At 01:57 PM 6/27/2003 +, Mwalie W wrote:
>Hello,
>
>Most of these things we sometimes have to learn the hard way - like choice
>of a publisher and many other choices!!
>
>I remember before I became good at choos
Hi there,
Cisco has a great tool on the CCO. It's called the Feature Navigator and
easy to learn - you'll need a CCO login though.
www.cisco.com/go/fn
Cheers,
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71530&t=71448
--
FAQ,
Hi Group,
on one of our Cat 6500 switches there is this setting:
set port auxiliaryvlan 5/18 140
It is not appropriate and we want to get rid of it but I've searched for
over an hour at the Cisco-site to find the command to remove this setting.
Does anyone on this list know the solution?
Thanks
I looked only quickly at the configuration. It seems to me that the dialer
interface that is supposed to do the dialing is not linked to the physical
interface.
Try something like this:
int Ser 2
dialer pool-member 5
int Dialer 2
dialer pool 5
dialer string 1234532 (dialer map is a legac
You can can enable fast switching with the
"ip route-cache" command.
"no ip route-cache" forces the router to process switch.
Cheers,
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71532&t=71447
--
FAQ, list archives, and subscr
Yet another one of these post.
I have a 7206vxr with an NPE 300 running 12.2.(13)T1. My CPU is spiking to
99% almost every hour yet I dont see any one process taking up large
amounts. My CPU is running as follows:
I ran the show tech-support through the Cisco interpreter and everything
expect
EtherPeek from WildPackets, formerly AG Group. www.wildpackets.com
> -Original Message-
> From: J B [mailto:[EMAIL PROTECTED]
> Sent: Friday, June 27, 2003 8:03 AM
> To: [EMAIL PROTECTED]
> Subject: Sniffer Recommendation [7:71523]
>
>
> Can someone recommend a couple of good choices for
hello group,
I am facing a slow response issue on the network, have captured the packet
with etherreal and found that the IP header for the data orignated from the
source hosts have Header checksum as incorrect.
Noticed this error for all the TCPsegments
E.g : Header Checksum: 0xd7f1 (incorre
Hello,
Most of these things we sometimes have to learn the hard way - like choice
of a publisher and many other choices!!
I remember before I became good at choosing shirts; I always used to make
mistakes, only to find out later that I really do not like this shirt..
But now, I know a good shirt
What trick? :-)
(Remember the "Quoting in Replies" message that John sent out that stated,
"When responding to a post, PLEASE QUOTE WHAT YOU'RE REPLYING TO!") :-)
Shawn K.
-Original Message-
From: David Vital [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 26, 2003 11:36 PM
To: [EMAIL P
It looks like it's used when LMI isn't available
http://www.cisco.com/en/US/products/sw/iosswrel/ps5187/products_command_refe
rence_chapter09186a008017cf53.html#1059567
Note The frame-relay local-dlci command is provided mainly to allow
testing of the Frame Relay encapsulation in a setting wher
dre wrote:
> ""KW S"" wrote in message ...
>
>>What is the benefits of receiving the following BGP routes
>>1. Full routes
>>2. Partial routes
>>3. No routes
>
>
> Well #3 means it doesn't work (you need at least a default route, or
> 0.0.0.0/0), so I'll skip that one...
Sure it works,
hehehe
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of n
rf
Sent: Thursday, June 26, 2003 11:48 PM
To: [EMAIL PROTECTED]
Subject: RE: Technology, Certification, Skill Sets, and Loo [7:70953]
Mark E. Hayes wrote:
>
> No, I don't expect anything but a payche
I've done it quite a bit. I hadn't noticed a different fcc/etsi. There's
only one the one image. We put 12.01 i think on all our br350's.
I while back we were having a weird problem and after a bit of
troubleshooting TAC said to upgrade the firmware. I took that as a canned
answer and messed
Can someone recommend a couple of good choices for network sniffer software.
My company is looking to buy a sniffer to develop a LAN baseline.
Any recommendations will be appreciated.
Thanks
JB
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71523&t=71523
--
Couple of things come to mind:
1. Check your fiber connections to make sure there aren't any errors.
2. Check for speed/duplex mismatches.
What are the symptoms/errors?
Mark
> Dear all
> We have a currently instally installed MS Proxy ser
> 2.0 .All the users use it to acess internet such as
>
That is very interesting. Can you give us a little more background about how
your relationship with your publisher went so badly wrong? I for one know
very little about how publisher-author deals work and would like to hear
more, it it's not too painful to relate!
> Obviously I made a big mistak
Does that mean that if I want my primary DLCI ( for whatever reasons )
to belong to some other priority queue other priority than high ..then
it's not possible . This is coz it's the first dlci mentioned in the
frame-relay priority-dlci-group command ( in the interface /
subinterface configuration
Can the group please let me know what channel bonding is and how does it
compare with multilinking / interleaving ??
TIA/Srivathsan
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71519&t=71519
--
FAQ, list archives, and subscri
Hi,
Thanks.
I have been checking the UUNET Global IP network and I can see that they
have a South Africa Network, etc, etcI think what is in Kenya is a
Point-of-Presence (PoP)so, probably, the local ISP in Kenya - called
UUNET Kenya - can be described as "part of a Tier 1 ISP".
So, those
Hi All,
What causes Circuit Flapping? While checking the Network Notices of a
certain ISP, I see this as a common problem.
This problem can not be solved for all time?
Thanks.
Mwalie
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71518&t=71518
---
I really hate the tier argument, but to me, a tier 1 originates a large
number of ip block announcements.
Brian
- Original Message -
From: "fred barreras"
To:
Sent: Thursday, June 26, 2003 11:26 PM
Subject: RE: Tier 1, Tier 2, Tier 3 ISPs [7:71508]
> tier 1 rents facilities from
Sounds strange! Are the users on the 2924 on a different subnet? Perhaps it
is related to permissions for those clients? Or the installation of the
Winsock Proxy client? Would the LAT be incorrect due to any changes on the
LAN?
Just some suggestions to throw at you...
James.
Message Posted at:
Dear all
We have a currently instally installed MS Proxy ser
2.0 .All the users use it to acess internet such as
HTTP ,FTP acess through it. I have a strange problem
.My users on LAN are able to do FTP through proxy
however my users those acess through Fibre optic are
able to acess http but not ftp
tier 1 rents facilities from tier 2. Tier 2 rents facilities from tier 3.
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71511&t=71508
--
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report
Hi,
Thanks.
Yes, that sounds logical and fine. My question remains: Tier 1 must be at
the core of the network (in this case the Internet). Can a Kenyan ISP, even
if it is a UUNET company, be a Tier 1 ISP?.or "Tier 1 in Kenya -
Kenyan-scale?"
Are you working with UUNET?
Thanks.
Mwalie
Mes
Hi,
But I think it is the reverse:
Tier 2 rents from Tier 1, Tier 3 rents from Tier 2...isn't it?
Mwalie
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71513&t=71508
--
FAQ, list archives, and subscription info: http://www.grou
Hi,
Full Routes : That's for your router to maintain anyAS-to-anyAS routing
info . If you recv full routes from your ISP then it's more of a
disadvantage / overhead . That's so because you'll have to have loads of
RAM and CPU power in your ROUTER connecting to the ISP to maintain those
routing tab
Hi All,
This should be a simple one.
I have heard that we have Tier 1, Tier 2, Tier 3 ISPs.I do assume we only
have Tier 1 and Tier 2 in the US, Europe and Asia (Japan, China).
In a third world country, can we have Tier 1 and Tier 2? Or we just have
Tier 3 ISPs which connect to Tier 1 and Tier 2
HI group,'
I planned to take the new ccna 640-801. I am really not sure if my
preparation which I have made 607sufficient to take the new exam.
Any suggestions
TIA
Guru
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=71510&t=71510
-
82 matches
Mail list logo
