From: Igor Manassypov (imanassypov@rogers.com)
Date: Fri Aug 08 2008 - 12:34:46 ART
Hmm, whats the mechanism behind the interface keepalives that triggers the interface to shutdown? Besides, I really doubt that just by disabling the interface keepalive you avoid the loop, its just might stop going into errdisable but the loop will still occur if there is one (?)
cciestudy <cciestudy@mid-world.net> wrote: I finished that lab a few weeks ago. All I can say is it was a bugger to
solve. The IE message board has some good insight into why it was
occurring. I believe turning off interface keep-alives resolved the looping
problem. I believe it was SW4, F0/13, F0/15, F0/19, F0/21. Also, I tried
doing L2protocol-tunnel on STP also...
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Igor
Manassypov
Sent: Friday, August 08, 2008 9:58 AM
To: GS CCIE-Lab
Subject: IE Lab 20
Hi Gang,
Has anyone done internetwork expert's lab 20 recently? I am having a hard
time on the first section with STP where it keeps flipping interfaces to
err-disabled mode due to 'loopback error'. I am wondering if anyone was able
to solve it.
Thanks!
Igor M., M.Eng, P.Eng
Network Architect
Blogs and organic groups at http://www.ccie.net
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