Free CCIE Braindumps! [7:34622]

[Ruben Arias]

Directly from Cisco!
I wish they can help you. (Watch the wrap!)
http://www.cisco.com/warp/public/10/wwtraining/certprog/testing/CCC.exe



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Re: Has anyone failed the CCIE Written? [7:21970]

[Ruben Arias]

Why has the subject changed so much?
What is the importance of the prerequisites in the way you prepare for an
exam retake?, or the second attempt difficulty feeling?, or the exposure to
similar topics? , or the change in the study habits?

Why don't you just say how you felt when you failed the exam?
Did you try it at least once?
When do you know you are ready? Bosom? CertifyZone?, why not the test itself?


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RE: Has anyone failed the CCIE Written? [7:21970]

[Ruben Arias]

Twice!
I did my first try last year, haven't read all the books recommended in this
list and of course failed. 10 months later I thought I was prepared to try
it again. It was a completely different exam. I think I will not violate NDA
by telling you, you have to know RIF, besides that the exam deals with
technology, everything stated in the blue print is tested. After the second
try,I was much frustrated, because I was sure I passed and didn't know what
else to study, I started all over again, I am studying from all books again,
browsing CCO more carefully. This is a hard exam, I'm sure next time will be
also different.
Saludos
Ruben


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Cisco Documents on Bridging & TR, was:CCIE Exam [7:18884]

[Ruben Arias]

You can also find some Cisco documents on SRB, which are also available in 
the Documentation CD
  http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/srb.pdf
  http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/srb.htm
Both documents above are the same (htm/pdf)
but lack for the number of bits each field of the Routing Control Field has.
That information can be found on the following document:
  http://www.cisco.com/warp/public/100/46.html
and also you will notice the difference of naming with 
"http://www.loopy.org/rif.cgi";, something very important for us,the 
non-english speaking people.
While Cisco Doc speaks of: "Directed frame", RIF Generator says: "Specific 
Route"
"All route explorer" is "all rings, all routes"
and "Single route explorer" becomes "Spanning route."
Another document on Token Ring's Bitswapping
  http://www.cisco.com/warp/public/100/48.shtml
Ruben

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RE: Fridays funnies [7:17141]

[Ruben Arias]

10 days?, oh! young lazy people!


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RE: rommon [7:17244]

[Ruben Arias]

To much BGP on the soup?
Once upon a time I did some verses for my local prefered peer, but now, with
so little time after work and studies, only keepalive and update messages
between us.


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Re: Failed CCDA [7:1865]

[Ruben Arias]

we're not offended because of your age, we're scared to death...
by the way, youth is a unique illnes that heals with time only.
Ruben
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Exam Cram [7:1785]

[Ruben Arias]

I want to say a word in favor of exam cram books, I have all the series for 
CCNP and also the one for CCIE.
As you can notice, english is not my mother's language, but for a long time, 
everything I study comes in english, twice the effort needed to understand 
the subjects. Exam Cram Books are simple, and I read them twice to prepare 
an exam, the first time to know some detail of what am I suppose to know, 
then I use Need to know more section on the books to have extra information, 
I participate reading all groupstudy notes, including Natashas, which I 
considere essential study material, also read Cisco Press Books, which are 
hard to follow,but knowing already a little makes it easy, and finally when 
I think I am prepared for the exam, I read exam cram again and do the sample 
test.
For sure I will not do an exam by only reading exam cram!.
Ruben

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RE: Job Opening Senior Network Engineer

[Ruben Arias]

Yes I am, is visa sponsorship available?
JC

-Mensaje original-
De: NP-BASS LEON [mailto:[EMAIL PROTECTED]]
Enviado el: Miircoles, 04 de Abril de 2001 09:53
Para: 'Bradley J. Wilson'; cisco
Asunto: RE: Job Opening Senior Network Engineer


DIDN'T REALIZE JC WAS UNEMPLOYED.

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Re: what is the average age of people in this stuff?

[Ruben Arias]

Tom, I think that you shouldn't wait to do CCIE, because probably when you reach 65, 
CCIE will
no longer be there.
Not many years ago I was preparing to certify on OS/2 (3.0), at that time I already 
had been
working for 6 years with it. When I thought I was ready, the test was on Warp and 
included
Voice Recognition.  The end of the story is I never did certify and probably never 
will.

Tom Lisa wrote:

> Well, I guess this puts me in the "old geezer" category.  I got my Bachelor degree 
>when I
> was 40, my Masters at 45 and my CCNA at 55.  I'm just now starting on the CCNP and 
>hope to
> achieve CCIE status by 65 (Would this make me the oldest to finally get a CCIE?), 
>just in
> time to retire from teaching (my third career) and start on my Ph.D. in earnest.  
>For me
> the joy is in the journey.  Besides, how else am I going to stay one step ahead of my
> grandkids?
>
> Tom Lisa, Instructor, CCNA, CCAI
> Community College of Southern Nevada
> Cisco Regional Networking Academy
>
> Fred Ingham wrote:
>
> > rtc:  I passed my ccie when I was 20 years your senior.  Age isn't an
> > excuse.
> > Fred.
> >
> > rtc wrote:
> > >
> > >  I'm 40--am I getting too old for this stuff? Cant remember anything worth a
> > > damn,
> > > especially the commands nd command syntax
> > >
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Re: what is the average age of people in this stuff?

[Ruben Arias]

This discussion made me feel real good, I was having a lot of problems trying to
remember all the stuff for the tests, specially those items I can't practice on.
Now I realize 47 is not to old when you are not alone in the journey towards CCIE.

rtc wrote:

>  I'm 40--am I getting too old for this stuff? Cant remember anything worth a
> damn,
> especially the commands nd command syntax
>
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Re: 2502 router problem

[Ruben Arias]

I found CDP very useful for troubleshooting, interface up-down, you have layer one, if
CDP is enable on both ends, show cdp neighbors will tell you if also layer 2 is
available. Is of no use when back-to-back connections but very handy when connected 
thru
a real cloud.

Daniel Cotts wrote:

> The answer is usually on CCO if you can find it. Start with this:
> http://www.cisco.com/univercd/cc/td/doc/cisintwk/itg_v1/tr1915.htm
>
> down, down is not good. Take care of the physical connectivity first. up,
> down at least says that you have layer one. Use the show controllers s 0
> (notice the space between the "s" and the "0". In older IOS that needed to
> be there.) to verify the the interface sees the cable. You'll want the same
> encapsulation on both ends. Default is HDLC. Verify that with a show int s0.
> Once you have a link use show cdp neighbor to see the other end. IP doesn't
> have to be working. You may have an addressing problem. Make a list of every
> possible problem that you can imagine. Write down the steps that you think
> will lead to verifying that condition as correct or not. Start
> troubleshooting. If you fix a real problem and yet the link doesn't work -
> continue troubleshooting. There may be two problems. Let me digress 
> A farmer in Vermont met his friend in the General Store. He said that he had
> a problem. A skunk had wandered into his house. He wanted to get rid of it;
> but didn't want to get sprayed. "No problem!", said his friend. "Skunks love
> carrots. Buy a bunch of carrots. Cut them into small pieces and make a trail
> from the house into the woods. Use a board to make a ramp down your front
> steps. The skunk will start eating the carrots and soon will march right out
> of the house." Several days later they met at the store. "You're right" the
> farmer said,"skunks love carrots." "So you got rid of him", said the friend.
> "No, now I've got two skunks!" was the reply.
> Sometimes you've got two skunks. Believe in your troubleshooting abilities
> and keep going. Good luck.
>
> > -Original Message-
> > From: Charles Paver [mailto:[EMAIL PROTECTED]]
> > Sent: Sunday, January 28, 2001 6:38 PM
> > To: [EMAIL PROTECTED]
> > Subject: 2502 router problem
> >
> >
> > Hi.  Im practicing at home, and am encountering the
> > following problem:
> >
> > I have one 2502 router, has 1 t.ring port and 2 serial
> > ports
> >
> > Also, have one 2513 with 2 aui ports, 2 serial ports.
> >
> > Now, Both of these guys are connected via serial port.
> >  serial0 on the 2513 is going to serial1 on the 2502.
> > I can ping the 2502 FROM the 2513 successfully, but
> > cannot ping the 2513 FROM the 2502.  Also, I made sure
> > that they are on the same network and using the same
> > subnet.
> > The 2502 router has the dce end of the cable, so I set
> > the clock rate at 64000 and the bandwidth at 64.
> > However, I did not do anything with the 2513!
> >
> > The subnets are identical, and both start with
> > 192.168.0.  I also set the telnet password, line vty 0
> > 4, login, password x.
> >
> > And when I typed in show interface (using the console
> > cable) on the 2502, it says down,down.   Both routers
> > are turned on.  Im wondering if I can telnet into a
> > router if I have the console port plugged in via
> > hyperterminal simultaneous, while trying to telnet
> > FROM router to router?
> >
> > Now, the 2502 cannot be put on the ethernet, I
> > understand.  But should nt I be able to telnet into it
> > from the 2513?  I can ping successfully one way!  The
> > other way says 0 percent.
> >
> > Thanks!
> >
> > __
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Re: 2 default routes on PIX???

[Ruben Arias]

I'm not sure if works for load balancing, is possible that works only when first def.
route is not available, but in version 5.x+ you can ad two default routes.

"Stull, Cory" wrote:

> Scenario:   2 2600 routers both with T1's to the same ISP.
> 1 PIX firewall between internal lan and the 2 2600's.
>
> Can I have 2 default routes in the PIX pointing one to one 2600 and the
> other to the other 2600?
> If so is this doing per packet load balancing? and what happens when one T1
> goes down?
>
> I would have set this up in a lab to test it but don't have a PIX.  I don't
> know if a router and PIX would do the same thing.
>
> Thanks in advance.
>
> Cory
>
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Re: tftp server

[Ruben Arias]

this may be a little late, but if you are using Cisco TFTP Server try unchecking "show
file transfer progress" and "enable logging" from options.

Charles Paver wrote:

> Hi again.  I know the commands to transfer my flash to
> the tftp server (as in Lammle's book) BUT it did not
> work on my router.  I got as far as where we ought to
> see ""  And it said: "Copy aborted.
> Tftp Timeout."
>
> I did install tftp on my pc, and gave it an ip
> address, but never made a file to store the data.
> Does anyone know where my error is?
>
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Re: why can't ping its own interface it is up ????

[Ruben Arias]

It's probably a bug, we had this problem in two different situations, in one case Cisco
replaced modules, the second case was solved by turning off fast-switching (no ip
route-cache) in the interfaces involved in the problem. Sometimes the problem is 
because
IOS version of remote differs to much from local.
The second time we recreated the problem by continously pinging from LAN to LAN thru 
the
routers and after 10-15 minutes we received a message of  "unreachable address" coming
from a different interface, if that interface (the one giving the message) was shutdown
and activated back then another 10-15 minutes of pnging was succesfull. Probably the
best is to contact TAC...

"Sim, CT (Chee Tong)" wrote:

> Dear all,
>
> I really don't understand, I have the router interface which is up up
> status, but I can't even ping it? What could be the reasons?? is that
> because of access-list?? Pls tell me!!
>
> interface Ethernet0
>  description Interface facing Financial Service Provider
>  ip address 100.200.3.1 255.255.255.0
>  ip access-group 100 in
>  no ip directed-broadcast
>  ip nat outside
>
> RBFW2514#sh int e0
> Ethernet0 is up, line protocol is up
>   Hardware is Lance, address is 0010.7b81.02e6 (bia 0010.7b81.02e6)
>   Description: Interface facing Financial Service Provider
>   Internet address is 100.200.3.1/24
>   MTU 1500 bytes, BW 1 Kbit, DLY 1000 usec,
>  reliability 255/255, txload 1/255, rxload 1/255
>   Encapsulation ARPA, loopback not set
>   Keepalive set (10 sec)
>   ARP type: ARPA, ARP Timeout 04:00:00
>   Last input 00:00:00, output 00:00:00, output hang never
>   Last clearing of "show interface" counters never
>   Queueing strategy: fifo
>   Output queue 0/40, 0 drops; input queue 0/75, 0 drops
>   5 minute input rate 45000 bits/sec, 21 packets/sec
>   5 minute output rate 8000 bits/sec, 16 packets/sec
>  161686946 packets input, 2454329523 bytes, 0 no buffer
>  Received 1076750 broadcasts, 0 runts, 0 giants, 0 throttles
>  181 input errors, 0 CRC, 0 frame, 0 overrun, 181 ignored
>  0 input packets with dribble condition detected
>  129416824 packets output, 3918760326 bytes, 0 underruns
>  0 output errors, 296169 collisions, 1 interface resets
>  0 babbles, 0 late collision, 478162 deferred
>  0 lost carrier, 0 no carrier
>  0 output buffer failures, 0 output buffers swapped out
> RBFW2514#ping 100.200.3.1
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 192.168.3.1, timeout is 2 seconds:
> .
> Success rate is 0 percent (0/5)
> RBFW2514#
>
> ==
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Re: Require a jury's opinion as to the correctness.

[Ruben Arias]

I don't know switches, but on routers, if you copy startup to running or tftp to 
running
it will merge and if you copy running to startup or running to tftp or startup to tftp
it will be replaced

"Reel, JohnX" wrote:

> Hello Group,
>
> I have pulled this information from two different CNNA books to prepair for
> my test... basically my study notes.  One book arrees with this information
> and the second book disagrees.   I leave it to a jury of many to resolve or
> provide some new insight.
>
> The information that is in conflict is whether the "merge" and 'replace'
> statements are correct.
> ===
>
> - show running-config or write term
> [not required on switches as NVRAM automatically updated]
> - show startup-config or show config
> - erase startup-config or write erase
> - copy running-config tftp
> [router prompts for information; cmd not used for switches]
> - copy nvram tftp:///filename.cfg
> [cmd does not prompt for information
>
> --  merge   replace  ---
> |ram |<>|nvram|
> --  ---
> /\ /\
>merge \/ replace
>   \  /
>\/
> \ /
>   \ replace  replace /
> \>| tftp |<-/
> 
> Note: "ram" is only one that is "merge"
> ===
>
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Re: Inquires...

[Ruben Arias]

Use ntp (network time protocol)
You make one router acting as an ntp server
ntp master

and the rest of the routers should know who the ntp server is
ntp server a.b.c.d


Mike Peterson wrote:

> Hi All,
>
> I am wandering what is the command line to put in main router to make the
> remote routers to syncronize the time with the main router.We are in east
> coast (Eastern time).
> Does anyone knows who is the Company that  can install a DARKFIBER in New
> York area?
>
> Thanks,
>
> Mike
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Re: CVoice problem....

[Ruben Arias]

VoIP+IPPhone problems will be better handled with 12.1.2 or greater version.
Contact TAC!

Andrew Larkins wrote:

> We had the same problem here - all configs the same, but a dial is garbled.
> The only solution was to upgrade the software to the same version
>
> -Original Message-
> From: Mustafa Kemal Furat [mailto:[EMAIL PROTECTED]]
> Sent: 01 February 2001 14:44
> To: [EMAIL PROTECTED]
> Subject: CVoice problem
>
> Hello,
> Help!...  I have a problem
> One of our  customer using
>
> 2600 (IOS (tm) C2600 Software (C2600-IS-M), Version 12.0(2a), RELEASE
> SOFTWARE (fc1) series
> FXS and FXO voice cards
> and
>
> 3640 IOS (tm) 3600 Software (C3640-IS-M), Version 12.0(8), RELEASE SOFTWARE
> (fc1)
> E&M voice cards
>
> on their WAN and running VoIP, We replaced the 3640 with a
>
> 3660 IOS (tm) 3600 Software (C3640-IS-M), Version 12.0(8), RELEASE
> SOFTWARE (fc1)
> FXS voice cards
>
> Now we have voice problem. Whenever we try to place a call we hear only some
> strange noises
>
> Do you know the reason?... or can we solve it?... (Any solution other than
> IOS upgrade will be highly appriciated)
>
> Thanx
>
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Re: AUX port connects to Console???

[Ruben Arias]

I'm trying to get a clearer picture on the subject
Don't have a 2509 or 2511 and never saw one.
But on 3600 you can add NM-16A which is 16 port Async module or
you can add NM-16AM which is 16 port Analog modem module.
I know 3600 + NM-16AM is called an access server
Will 3600 + NM-16A be called terminal server? or access server ?
Is Terminal Server same as Access Server as stated by Brian (Landa) and Daniel?
Thanks
Ruben

Brian Lodwick wrote:

> Terminal server, it doesn't sound like such a good thing, huh.
> It is a router with async lines. You take the lines and plug them into all
> of your other routers in the rack throw a few commands on the lines maybe
> make a little host file and you can plug the console into the terminal
> server and reverse telnet into the other routers instead of moving your
> console cable from router to router.
>
> >>>Brian
>
> >From: Ruben Arias <[EMAIL PROTECTED]>
> >Reply-To: Ruben Arias <[EMAIL PROTECTED]>
> >To: [EMAIL PROTECTED]
> >Subject: Re: AUX port connects to Console???
> >Date: Tue, 30 Jan 2001 14:06:59 -0300
> >
> >What's a terminal server and where can I find more info on the subject?
> >
> >Adam Burgess wrote:
> >
> > > > I have four 25xx routers... but I don't have a terminal server =
> > > 
> > >
> > > Using your example, you will need to connect the AUX port on R1 to the =
> > > CON port on R2, etc, etc. =20
> > >
> > > Standard Cisco Roll-Over cable is needed.
> > >
> > > Config on the R1 should work with:
> > >  line aux 0
> > >  access-class 1 in
> > >  no exec
> > >  exec-timeout 0 0
> > >  transport input all
> > >  stopbits 1
> > >  flowcontrol hardware
> > >
> > > You will probably also need to:
> > >  clear line aux 0
> > > on the control router (or do a restart) before the config will work.
> > >
> > > You will then be able to telnet to R1 on TCP 2001 to gain console access
> >=
> > > to R2.
> > >
> > > I do this on a 2509 so my AUX port is actually TCP 2009 as 2001-2008 are
> >=
> > > used by Async Ports.  Likewise on a 2511, AUX would be TCP 2017 as =
> > > 2001-2016 are used by Async Ports.
> > >
> > > Good Luck.
> > >
> > > Adam Burgess
> > > Brisbane, Australia
> > >
> > > _
> > > 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:
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>
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Re: AUX port connects to Console???

[Ruben Arias]

What's a terminal server and where can I find more info on the subject?

Adam Burgess wrote:

> > I have four 25xx routers... but I don't have a terminal server =
> 
>
> Using your example, you will need to connect the AUX port on R1 to the =
> CON port on R2, etc, etc. =20
>
> Standard Cisco Roll-Over cable is needed.
>
> Config on the R1 should work with:
>  line aux 0
>  access-class 1 in
>  no exec
>  exec-timeout 0 0
>  transport input all
>  stopbits 1
>  flowcontrol hardware
>
> You will probably also need to:
>  clear line aux 0
> on the control router (or do a restart) before the config will work.
>
> You will then be able to telnet to R1 on TCP 2001 to gain console access =
> to R2.
>
> I do this on a 2509 so my AUX port is actually TCP 2009 as 2001-2008 are =
> used by Async Ports.  Likewise on a 2511, AUX would be TCP 2017 as =
> 2001-2016 are used by Async Ports.
>
> Good Luck.
>
> Adam Burgess
> Brisbane, Australia
>
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Re: Does anyone know what a "fluke" is ???

[Ruben Arias]

I can say it´s (was?) a great multitester also...mmm  time flies.

Mask Of Zorro wrote:

> Fluke makes all sorts of test equipment. They make some great LAN analyzers
> for troubleshooting network problems. Some of their handheld meters are
> cheap, others are very expensive. Some of them have functionality that is
> almost like a sniffer. They are great tools! I have used them in the past
> with much success for isolating faults on LAN segments.
>
> Check them out:
>
> http://www.fluke.com/
>
> Z
>
> >From: [EMAIL PROTECTED]
> >Reply-To: [EMAIL PROTECTED]
> >To: <[EMAIL PROTECTED]>
> >Subject: Does anyone know what a "fluke"  is ???
> >Date: Thu, 25 Jan 2001 13:22:22 EST
> >
> >Is it some kind fo device to test a workstation and where I go to find more
> >info about it
> >
> >___
> >To unsubscribe from the CCIELAB list, send a message to
> >[EMAIL PROTECTED] with the body containing:
> >unsubscribe ccielab
>
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Re: Passed Switching Exam

[Ruben Arias]

Couldn't answer same tricky questions perhaps?

Fred Danson wrote:

> You got 857 on that exam too?? I just took the exam last week and got 857.
> Also one of the other guys in my CCNP class also got 857. Has anyone out
> there not scored 857 on this exam?? :)
>
> >From: Helena <[EMAIL PROTECTED]>
> >Reply-To: Helena <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Subject: Passed Switching Exam
> >Date: Thu, 25 Jan 2001 09:08:46 +1000 (EST)
> >
> >Hi everyone,
> >
> >Last week I sat the Switching exam and passed.  I didn't find it as easy
> >some people said, and only got 857.  But I'm happy I passed anyway :o)
> >There were some straightforward questions, but some really hard ones as
> >well, which the answers I thought weren't in the book (CiscoPress) I was
> >reading.  They also asked heaps of questions on LED lights which I didnt'
> >know.  I have a problem with timing myself though, having done my three
> >CCNP
> >
> >Helena
> >
> >_
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> >http://www.groupstudy.com/list/cisco.html
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>
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Re: sdlc question

[Ruben Arias]

You always need a gateway.
75xx connects directly to Mainframe channel and has a TN3270 server, but
There are other non-cisco solutions, depending on what actually is installed, how many
users, $$.
If Mainframe has ethernet (3172, OSA card, or other) and NT+ SNA Server (microsoft) or
Communications Server (IBM) or Host on Demand (IBM).
- Novell for SSA ( you might also use it with TR)
- X25+Reflection+ SNA Server

Overall information on IP/SNA is best on IBM Website, they have a lot of people doing
this everyday.

John Neiberger wrote:

> I went back and read the first question again and realized that I misread
> it.  I thought Cory was asking how to convert an ip host to speak SDLC or
> bisync.  I see now that he just wanted to speak to an SNA host.
>
> Just about every PC in our network has a tn3270 client running on it, either
> Rhumba or Host Explorer, and those communicate via IP with the TN3270 Server
> running on the Channel Interface Processor in our 7513, which is
> channel-attached via escon connections to our mainframe.
>
> That's a pricey solution, but if you need that functionality it does the job
> quite well.
>
> So, it appears you have some options depending on what you're actually
> trying to accomplish.  It's possible to make the PC speak SDLC over serial
> lines, or you can use tn3270 over IP if you have a tn3270 server available.
>
> John
>
> >
> >
> >  I continued looking into this and found some stuff out.  I still hold to
> >  that I know almost nothing about SNA but heres what I think I learned
> >  today..  In order for an IP host to talk to an SNA mainframe you need a
> >  gateway and also some sort of software (like a 3270 emulator) on the IP
> host
> >  to talk to the gateway.  The gateway talks IP to the host and SNA to the
> >  mainframe.  The only way to do this without needing a gateway is if you
> use
> >  a Cisco 7000 series router with a card called an ESCON card which can
> >  function as a gateway.  Heres a good link on what I learned.  I'm still
> >  reading it but I thought you might find it interesting.  It basically
> talks
> >  about how SNA is on its way out the door being replaced by IP and how a
> lot
> >  of businesses are doing the migration in 4 steps.
> >
> >  http://www.cisco.com/warp/public/cc/so/neso/ibso/snaip_bc.htm
> >
> >  Cory
> >
> >
> >  -Original Message-
> >  From: John Neiberger [mailto:[EMAIL PROTECTED]]
> >  Sent: Tuesday, January 23, 2001 8:49 PM
> >  To: Stull, Cory
> >  Subject: RE: sdlc question
> >
> >
> >  Wow, thanks!  I appreciate the compliment.  As I mentioned, I'm not much
> of
> >  an SNA guy, I know just enough to be hazardous.  That one server I talked
> >  about is the only time I've ever seen a Windows-type Intel-based server
> >  speak SDLC.  It's completely vendor-controlled, we just hooked it up to
> our
> >  network and like any of our other SNA devices at they configured it.
> >  Because of that, I have absolutely no idea what they have running under
> the
> >  hood.  I was basically handed a serial cable and they said "Connect this
> to
> >  your router."  :-)  If I run across some info on it, though, I'll pass it
> >  along.
> >
> >  John
> >
> >  >  Thanks John..  Always appreciate your help.  Your a great contributor
> to
> >  >  this list.
> >  >
> >  >  Cory
> >  >
> >  >  -Original Message-
> >  >  From: John Neiberger [mailto:[EMAIL PROTECTED]]
> >  >  Sent: Tuesday, January 23, 2001 5:25 PM
> >  >  To: [EMAIL PROTECTED]
> >  >  Subject: Re: sdlc question
> >  >
> >  >
> >  >  Yes, you can do this but I'm not sure of the details.  We have
> equipment
> >  >  from another vendor in our network that does exactly what you're
> talking
> >  >  about.  It's an NT server, but it's speaks SDLC on a serial port and
> it
> >  >  exists as a PU on our SNA network.  The router port is configured in
> the
> >  >  same way we would configure it for IBM terminal controllers or our
> >  Automated
> >  >  Teller Machines.
> >  >
> >  >  At this point, though, IP is irrelevant so I don't know if this
> answers
> >  your
> >  >  question or not.  In this case, you wouldn't really be converting it,
> per
> >  >  say, just adding different functionality.  It's like asking "Can I
> >  convert
> >  >  my BMW into a waffle iron?"  Well...yes, but it will no longer
> resemble a
> >  >  car.  :-)
> >  >
> >  >  I hope that helps.  I wish I had some more details to give you but I
> >  really
> >  >  don't know that much about SNA.
> >  >
> >  >  Regards,
> >  >  John
> >  >
> >  >  >  legacy protocol guru's,
> >  >  >
> >  >  >  Forgive my ingorance on this subject I know almost nothing about
> SNA,
> >  >  SDLC,
> >  >  >  BYSINC, etc...
> >  >  >
> >  >  >
> >  >  >  Can you take an ip host and convert it to speak to an sdlc or
> bysinc
> >  >  >  mainframe like you would enable an ethernet host to speak token
> ring?
> >  >  >
> >  >  >  Thanks
> >  >  >
> >  >  >  Cory
> >  >  >
> >  >  >  __

Re: Frame relay lab setup

[Ruben Arias]

I connected E1 interface (RJ48) using impedance converter 120/75 to COAX into a 
PandaCom
line and from V35 connector into a serial interface. Panda Com configured to use only 1
timeslot 64Kb
Isn't this [DCE/DTE CSU/DSU] <-> DCE/DTE ?

J Roysdon wrote:

> I don't believe so.  I'm pretty sure you cannot do the following:
>
> [DCE/DTE CSU/DSU] <-> DCE/DTE
>
> You must do either
> DCE/DTE <-> CSU/DSU  CSU/DSU <-> DCE/DTE
>
> or
>
> DCE <-> DTE
>
> --
> Jason Roysdon, CCNP+Security/CCDP, MCSE, CNA, Network+, A+
> List email: [EMAIL PROTECTED]
> Homepage: http://jason.artoo.net/
> Cisco resources: http://r2cisco.artoo.net/
>
> ""Alex Lee"" <[EMAIL PROTECTED]> wrote in message
> 94ivph$3k0$[EMAIL PROTECTED]">news:94ivph$3k0$[EMAIL PROTECTED]...
> > Hi group,
> >
> > Is it possible to have a cable to connect a frame relay switch to a T1/FT1
> > DSU/CSU module on another router, i.e a DB-60 male connector on one end of
> > the cable and a RJ48C modular jack on the other end ?
> >
> >
> >
> >
> > _
> > 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: why is routing needed with VLANs

[Ruben Arias]

Sorry, I was trying to make a puzzle with the words, instead  I did a lot of noise in 
the line, looks like I have to improve my language!

Peter Van Oene wrote:

> To me, there is no concept of a layer three VLAN.  If you chose to route IP, you 
>need a router, whether you have dynamic or statically configured broadcast scopes is 
>fully irrelevant.  If you are talking about dynamic VLAN membership based on IP 
>address (or protocol for that matter), then I will agree that some level of layer 3 
>and potentially above awareness is required to identify the address or protocol.  
>However, any such application that I have seen (mostly Xylan) performed this at the 
>switch level.
>
> Given most networks are running DHCP, or moving in that direction, VLAN's that 
>determined membership based on IP address would be a challenging thing to accomplish.
>
> *** REPLY SEPARATOR  ***
>
> On 1/18/2001 at 9:21 AM Ruben Arias wrote:
>
> >VLANs can be defined by MAC address or IP address.
> >When MAC address is used, you have a layer 2 VLAN, when IP address is used you have 
>a layer 3 VLAN and a router is needed.
> >Layer 2 VLANs mostly used for filtering (never done, I supose is a hard work to 
>mantain)
> >
> >
> >Peter Van Oene wrote:
> >
> >> Just for clarity, VLAN's are a layer 2 concept and IP is of course a layer 3 
>(please do not start with the "but what layer is arp again" :)
> >>
> >> Despite subnets and VLAN's generally happening on a 1:1 basis in a lot of 
>theoretical and practical discussions, the two concepts are totally unrelated and 
>altogether unaware of each others presence.  An IP host will not detect a node is on 
>another VLAN and hence send to the gateway, it will detect a node is on another 
>subnet.  It doesn' t really care if the node is in the same broadcast domain or 
>halfway around the world, if its not on the network, its sent via the gateway.  This 
>is very strict behavior.  Nodes on different IP subnets do not communicate directly 
>in any case without the use of an intermediary, layer 3 device.
> >>
> >> VLANs as a concept are of trivial complexity.  VLAN membership, particularly 
>dynamic membership along with protocols like 802.1q, ISL, PVST etc that leverage and 
>support VLANs do offer some element of challenge and opportunity for best practise 
>designs.
> >>
> >> I just felt that the line between VLANs (broadcast domains) and IP subnets was 
>getting somewhat blurry when it really shouldn't be.
> >>
> >> *** REPLY SEPARATOR  ***
> >>
> >> On 1/16/2001 at 10:19 AM Curtis Call wrote:
> >>
> >> >Keep in mind that seperate VLANs will be seperate subnets.  Which means
> >> >that by default a host will encapsulate any IP packet destined for a
> >> >different VLAN within an ethernet packet with a destination MAC address of
> >> >the default gateway.  So a layer 2 switch will never get the chance to try
> >> >and "switch" between VLANs since everytime a host needs to get to a
> >> >different VLAN (subnet) it will just send a packet to the router which is
> >> >on the same VLAN in order for it to be routed.
> >> >
> >> >
> >> >
> >> >
> >> >>-Original Message-
> >> >>From: Bob Vance [mailto:[EMAIL PROTECTED]]
> >> >>Sent: Tuesday, January 16, 2001 8:35 AM
> >> >>To: CISCO_GroupStudy List (E-mail)
> >> >>Subject: why is routing needed with VLANs
> >> >>
> >> >>
> >> >>OK.
> >> >>I must be brain dead, today.
> >> >>(and, yes, Chuck, I *have* had my morning dose of Diet Coke :)
> >> >> and, yes, I know, "What's so special about 'today' "?
> >> >>)
> >> >>As far I can understand it so far, about the only benefit that I see
> >> >>from VLANs is reducing the size of broadcast domains.
> >> >>
> >> >>Suppose that I have a switch in the closet with one big flat address
> >> >>space (well, it couldn't be that big with only one switch, now, could
> >> >>it ?>).  Then someone says,
> >> >>   "You know, we're getting a lot of blah-blah broadcast traffic.
> >> >>Let's VLAN.
> >> >>   "
> >> >>OK, fine.  We VLAN and put whatever services in each VLAN that are
> >> >>required to handle the broadcasts (e.g., DHCP service).  So, now the
> >&

Re: R-45 to R-45 Null modem cable pinouts for Router AUX to AUX

[Ruben Arias]

Cross 2-7 & 3-6
probably 3-6 is enough

This chart shows the pinouts for RJ-45 console and AUX ports. The console port does not
use RTS/CTS.

Console/Auxiliary Port (DTE)

Pin  Signal Input/Output

1RTSOutput
2DTROutput
3TXDOutput
4GND-
5GND-
6RXDInput
7DSRInput
8CTSInput

Jaeheon Yoo wrote:

> Hi Friends
>
> I am trying to connect two 2501 routers via their AUX ports so that I
> can simulate DDR.
> Could someone send me the cable pinouts or guide me to proper web
> page..
> I spent quite a long time looking in the archieves but didnt find the
> info.
> Please help .
>
> Thanks
>
> Jaeheon
>
> _
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Re: why is routing needed with VLANs

[Ruben Arias]

VLANs can be defined by MAC address or IP address.
When MAC address is used, you have a layer 2 VLAN, when IP address is used you have a 
layer 3 VLAN and a router is needed.
Layer 2 VLANs mostly used for filtering (never done, I supose is a hard work to 
mantain)


Peter Van Oene wrote:

> Just for clarity, VLAN's are a layer 2 concept and IP is of course a layer 3 (please 
>do not start with the "but what layer is arp again" :)
>
> Despite subnets and VLAN's generally happening on a 1:1 basis in a lot of 
>theoretical and practical discussions, the two concepts are totally unrelated and 
>altogether unaware of each others presence.  An IP host will not detect a node is on 
>another VLAN and hence send to the gateway, it will detect a node is on another 
>subnet.  It doesn' t really care if the node is in the same broadcast domain or 
>halfway around the world, if its not on the network, its sent via the gateway.  This 
>is very strict behavior.  Nodes on different IP subnets do not communicate directly 
>in any case without the use of an intermediary, layer 3 device.
>
> VLANs as a concept are of trivial complexity.  VLAN membership, particularly dynamic 
>membership along with protocols like 802.1q, ISL, PVST etc that leverage and support 
>VLANs do offer some element of challenge and opportunity for best practise designs.
>
> I just felt that the line between VLANs (broadcast domains) and IP subnets was 
>getting somewhat blurry when it really shouldn't be.
>
> *** REPLY SEPARATOR  ***
>
> On 1/16/2001 at 10:19 AM Curtis Call wrote:
>
> >Keep in mind that seperate VLANs will be seperate subnets.  Which means
> >that by default a host will encapsulate any IP packet destined for a
> >different VLAN within an ethernet packet with a destination MAC address of
> >the default gateway.  So a layer 2 switch will never get the chance to try
> >and "switch" between VLANs since everytime a host needs to get to a
> >different VLAN (subnet) it will just send a packet to the router which is
> >on the same VLAN in order for it to be routed.
> >
> >
> >
> >
> >>-Original Message-
> >>From: Bob Vance [mailto:[EMAIL PROTECTED]]
> >>Sent: Tuesday, January 16, 2001 8:35 AM
> >>To: CISCO_GroupStudy List (E-mail)
> >>Subject: why is routing needed with VLANs
> >>
> >>
> >>OK.
> >>I must be brain dead, today.
> >>(and, yes, Chuck, I *have* had my morning dose of Diet Coke :)
> >> and, yes, I know, "What's so special about 'today' "?
> >>)
> >>As far I can understand it so far, about the only benefit that I see
> >>from VLANs is reducing the size of broadcast domains.
> >>
> >>Suppose that I have a switch in the closet with one big flat address
> >>space (well, it couldn't be that big with only one switch, now, could
> >>it ?>).  Then someone says,
> >>   "You know, we're getting a lot of blah-blah broadcast traffic.
> >>Let's VLAN.
> >>   "
> >>OK, fine.  We VLAN and put whatever services in each VLAN that are
> >>required to handle the broadcasts (e.g., DHCP service).  So, now the
> >>switch doesn't send broadcasts outside a particular VLAN.
> >>
> >>But, what's so magic about a VLAN that the switch also decides not to
> >>send unicasts outside a VLAN.   Before the VLANs, the switch maintained
> >>a MAC table and knew which port to go out to get to any unicast address
> >>in the entire space.  So, why can't it continue to do that after we
> >>arbitrarily implement some constraint on broadcast addresses?
> >>It seems to me that the same, exact MAC table, with an additional VLAN
> >>field would not require that restriction.  If it's a broadcast, send =
> >>the
> >>packet only out ports with a VLAN-id that matches the source port's
> >>VLAN-id.  If it's a unicast, handle it just like we used to.
> >>
> >>
> >>Similarly, even if we have 5 switches, I just don't see the requirement
> >>that we (as switch-code designers) must block unicasts and resort to a
> >>routing requirement.
> >>
> >>Even with 500 switches ... well, let's not get ridiculous :)
> >>
> >>
> >>I feel that there is a simple point that I've overlooked, so I will
> >>continue to RTFM while I await your responses.>)
> >>
> >>
> >>-
> >>Tks=A0=A0=A0 =A0=A0=A0 | 
> >>BV=A0=A0=A0 =A0=A0=A0=A0 | 
> >>Sr. Technical=A0Consultant,=A0 SBM, A Gates/Arrow Co.
> >>Vox 770-623-3430=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A011455 Lakefield Dr.
> >>Fax 770-623-3429=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Duluth, GA 30097-1511
> >>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> >>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> >>=3D
> >>
> >>
> >>
> >>
> >>_
> >>FAQ, list archives, and subscription info:
> >>http://www.groupstudy.com/list/cisco.html
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> >>
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> >>FAQ, li

Re: Cisco Pro's numbers

[Ruben Arias]

Check here for CCIE numbers:
http://www.cisco.com/warp/public/625/ccie/ccie_program/ccie_present.html

Vonnell escribió:

>Hi all,
>
> Where can I find the number of CCNA's,CCNP's and CCIE's ? I've checked
> Cisco's site but no luck. I'm using this in a point paper at work.
>
> Thank's
>
> Vonnell
>
> http://www.vonnell.com
>
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