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

Łukasz Bromirski lukasz at bromirski.net
Sun Feb 3 07:50:46 EST 2008


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


More information about the cisco-nsp mailing list