[nsp] NPE-G1 LNS / VRF dropped packets problem

[Steve Colam]

I'll have a look at the release notes for 12.3T (thanks
for the pointers!)

We have just reloaded the LNS to 12.2(15)B2 but are still
seeing the same packet loss symptoms...

Steve

> -----Original Message-----
> From: Corbett Nelson (cornelso) [mailto:cornelso at cisco.com]
> Sent: 21 May 2004 23:08
> To: 'Steve Colam'; cisco-nsp at puck.nether.net
> Subject: RE: [nsp] NPE-G1 LNS / VRF dropped packets problem
> 
> 
> Have you looked at the 12.3T train yet? A good amount of scalability and
> feature enhancements (as well as bug fixes) were integrated into 12.3.
> 
> -corbett
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Steve Colam
> Sent: Friday, May 21, 2004 10:33 AM
> To: cisco-nsp at puck.nether.net
> Subject: [nsp] NPE-G1 LNS / VRF dropped packets problem
> 
> 
> Hi All,
> 
> Is anybody running 7200 NPEG1s for ADSL LNS boxes, specifically where
> you are terminating PPP sessions into a VRF ? IE the vpdn group uses a
> virtual-template that is set to drop sessions into a named VRF ?
> 
> We have some problems with a tiny handful of users sessions where
> traffic between ADSL CPE (that never leaves the LNS to the next hop) are
> dropping packets, also traffic between the CPE and LNS are dropping
> packets. Whereas traffic from a next hop router (further upstream from
> the LNS) to CPE is never dropped ?
> 
> This behaviour appears to be intermittant, and it smells of
> CEF forwarding problems relating to the use of VRFs.... It
> does not appear to be congestion within the ATM/l2tp cloud.
> 
> I've got a TAC case open (no response as yet).
> 
> We're running 12.2(15)T12 (enterprise release)
> 
> Thanks,
> 
> Steve
> 
> Steve Colam
> PIPEX Communications
> mob: +44 7971 534 844
> skype: callto://sjcolam
> www.pipexcommunications.net
> 
> 
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