[c-nsp] SXH3 ghost bugs - more details

[Church, Charles]

>From what I hear from our account people, SXF is considered a 'dead'
train, and you should move to SXH or SXI.  We've got a serious NAT bug
in SXF14 that they're claiming won't be fixed in SXF.  Sucks for our
huge Sup2 base.

Chuck

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Peter Taphouse
Sent: Monday, September 15, 2008 4:11 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] SXH3 ghost bugs - more details


Hello,

> I'm curious, is bgp dampening on or off?

Just to second (or third?) this bug.  We've got four 7600s on SXH3 which
 are afflicted by this - they were upgraded from 2a on tac's advise (to
avoid netflow bug related spontaneous reloads) - and we don't use
dampening.  It doesn't seem to matter if the prefixes that get withdrawn
are i or ebgp, they get still "ghosted" to other ibgp peers.  I don't
have any evidence whether or not the prefixes get withdrawn to ebgp
peers as we don't transit that many.

I've got a case open with tac, but it's causing us enough grief that I'm
moving back to SXF until things calm down.  Would love the new netflow
stuff in SXH if it gets stable enough...

-- 
Peter Taphouse

Bytemark Hosting
http://www.bytemark-hosting.co.uk
tel. +44 (0) 845 004 3 004
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