[c-nsp] Packet Loss on PPPoE Sessions with 2811 LAC/LNS

[Ziv Leyes]

I'll second Łukasz, downgrade to 12.4(11)T4, it's the best IOS I've tried on the last year, I don't think you really need that newer version, it doesn't give you much more than you already have and if it does, you probably don't need it.

Ziv

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of ?ukasz Bromirski
Sent: Sunday, February 03, 2008 2:51 PM
To: Kurt Bales
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Packet Loss on PPPoE Sessions with 2811 LAC/LNS

Kurt Bales wrote:
> Hey all,
>
> I have a 2811 successfully terminating PPPoE sessions for a local ethernet
> segment. What I am seeing now is that once I establish a session, pings to
> devices beyond the 2811 are losing every second attempt. Pings from the
> client to the 2811 are fine. When not terminated in PPPoE, pings to all
> hosts work normally.
>
> Does anyone have any obvious ideas as to why this would be happening? I
> don't have access to the 2811 right now to paste relevent configs, but I can
> paste them as required tomorrow. The 2811 is running 12.4.15 Advanced IP
> Services iirc.

First of all, try to check if You have CEF turned on on this router
and if there's not too much process-switched traffic (sh cef
not-cef-switched). And second of all - 12.4(15) is really nasty,
upgrade to 12.4(15)T3 or downgrade to 12.4(11)T4.

--
"Don't expect me to cry for all the     |               Łukasz Bromirski
  reasons you had to die" -- Kurt Cobain |    http://lukasz.bromirski.net
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