Re: ATM Answers

From: Manjeet Chawla (mchawla@xxxxxxxxxx)
Date: Sat Jan 22 2000 - 14:23:45 GMT-3


   
Thanks Naushad. What day and time will be good for the conf call. Hopefully I c
an set it
up. Once I get your preferred time I can invite everyone to join.

Appreciate your help.

-Manjeet

naushad prasla wrote:

> Manjeet,
>
> All aspects that I listed regarding ATM are equally important. I realize that
 makes
> it difficult. Spend most of your time mastering ATM Lane. As I also mentioned
, PVC
> and SVC configuration is not all that difficult and examples on the Cisco CD
are
> adequate to get it working quickly. ATM Classical IP is not that difficult ei
ther,
> just remember to configure ESI and/or NSAP address to make Classical IP work.
 I
> always prefer ESI address. To me it seems to be much more reliable.
>
> ATM Lane is the most difficult of all ATM configuration. Check Cisco docs on
> configuring LANE on c4500 or c7200. Both Router models have pretty much the s
ame ATM
> LANE configurations.
>
> Here are some pointers you want to remember about LANE and ATM in general.
>
> 1. Always configure QSAAL and ILMI on your main ATM interface configuration u
sing
> atm pvc 1 0 5 qsaal and atm pvc 2 0 16 ilmi commands. Do not configure these
> commands on any sub-interface.
>
> 2. When configuring LANE, always configure LANE Configuration Server commands
 on
> your main ATM interface on the Router where your Configuration database resid
es. The
> command is "Lane config auto-config". You may be able to configure Configurat
ion
> Server address on the sub-interfaces on the Router which does not have the
> Configuration database. Ofcourse, you would need to point to the correction
> Configuration Server using an ATM address.
>
> All this may be very confusing. Cisco documentation regarding this is not ver
y easy
> either.
>
> Be sure to thoroughly understand ATM addressing (NSAP address) and in particu
lar ESI
> part of the ATM Address before you proceed to configure the Router interfaces
.
>
> I don't claim to understand everything about LANE, but enough to configure it
> successfully. I have struggled with ATM and I realize what everyone else is g
oing
> through. Given this, I am prepared to donate few hours to answer very specifi
c ATM
> CONFIGURATION related questions either by this study group or in a chat or a
> conference call format. Anyone want's to arrange this?
>
> I you guys do decide to take me on this offer, I would like to make just one
> request. Please make an honest attempt to read and understand the documentati
on CD
> before asking questions. For example, I won't answer any questions regarding
ATM
> addressing since it is adequately covered in the doc's and no hardware is nee
ded to
> understand this topic.
>
> Hope this helps.
>
> Naushad Prasla
>
> Manjeet Chawla wrote:
>
> > Congratulations Naushad, Job well done. I am sure it feels pretty good to g
et
> > the ultimate certification. Enjoy ...
> >
> > I do have a question though, within NDA, of course :-)
> >
> > My lab is scheduled for 14 Feb and I am already a wreck. I have exposure to
 lots
> > of equipment but have very limited exposure to ATM stuff. You mentioned bel
ow
> > the four major categories within ATM. Would you recommend them in certain o
rder.
> > I have a day of lab exposure at ccieboot camp rack and will like to use my
time
> > effectively. I will appreciate your feedback very much. If you do not feel
> > appropriate to write in an email, I can definitely call you ( just trying t
o
> > save you toll).
> >
> > Thanks in advance for your help
> >
> > -Manjeet Chawla
> > mchawla@asanet.com
> > (732) 906-8845
> >
> > Naushad Prasla wrote:
> >
> > > Hello guys,
> > >
> > > Finally it's all over. I am now a CCIE # 5491 on January 19, 2000.
> > >
> > > I would like to take this opportunity to show my gratitude to all the
> > > wonderful folks who took their precious time to answer lots of my questio
ns.
> > > Specially to folks who administer this distribution list. Sorry, the name
> > > skips me.
> > >
> > > I am totally convinced that if it were'nt for this study group, I would n
ot
> > > have been able to make it in just two attempts. Yes, I failed once in
> > > October 1999.
> > >
> > > I like to share my prespective of the questions already answered by Stan.
> > >
> > > Did you have any ATM and or AGS stuff on the lab?
> > >
> > > There are four ways to accomplish ATM connectivity. Classical IP, LANE, S
VC,
> > > and PVC. Be sure to know it all. SVC and PVC are piece of cake. Just few
> > > minutes of reading and few lines of configs should do the trick.
> > >
> > > AGS equipment are end-of-life and are not included.
> > >
> > > Can you confirm or deny the rumor that some or all of your drawings are
> > > lifted
> > > from you when you get to troubleshooting?
> > >
> > > My case was different from Stan regarding this issue. I guess it's Procto
r
> > > dependent rather than the matter of policy. All materials provided by the
> > > Proctor were removed except the documentation CD. Yes, it also included t
he
> > > LAB topics. I had to solely depend on my notes and diagrams.
> > >
> > > TIP: List every feature, major and minor, prefferably on the reverse side
 of
> > > your notes page. This will help you during the troubleshooting section. Y
our
> > > list should include topology as well an routing protocols. For example, A
TM
> > > between R1 & R2. OSPF between R1, R2, R3, and R4. OSPF virtual link betwe
en
> > > R6 & R7, EIGRP between R4 and R5. IPX NLSP between R9 & R10. Decnet Area
 1
> > > between R7 & R8, Decnet Area 2 between R3 & R4. You got the idea. More
> > > comprehensive the list, easier to troubleshoot.
> > >
> > > How was the test ? Very difficult ?
> > >
> > > This test was a killer. My first attempt was relatively easier in my
> > > opinion. I was the only one who made it to day two during this two days.
> > > Also, during the previous two days, there was also only one candidate who
> > > made it to day two. He also passed. So, that makes us two for first four
> > > days of this week out to 12. San Jose has exams through out the week,
> > > including weekends.
> > >
> > > I barely made into troubleshooting. However, I had to score big into
> > > troubleshooting. I got 99% on troubleshooting section.
> > >
> > > Since I had so much support from this group that I intend to stay with it
> > > and help in any way possible.
> > >
> > > Again, loads of thanks for all the answers, encouragement and willingness
 to
> > > assist.
> > >
> > > Naushad Prasla
> > >
> > > CCIE # 5491
> > >



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