[c-nsp] PPPoE multiple sessions issue

[Paul Stewart]

Did this start "out of the blue" or is this a new installation?  We had
something like this occurring for a while but only on our own DSLAM's.  It
ended up being a timing issue from the DSLAM manufacturer which I confirmed
from others using the same gear (Occam).  To work around this issue, we
adjusted our keepalives in the virtual-template:

interface Virtual-Template1
 keepalive 30 10


This worked for us .. Occam I'm told is unable to reproduce this issue in
their labs but since this resolved it for us we never pushed the matter...

Cheers,
Paul

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of D.J. O'Berry
Sent: October 23, 2009 12:28 PM
To: 'Cisco-nsp'
Subject: [c-nsp] PPPoE multiple sessions issue

Hello all,

I have an issue where random users will apparently lose their pppoe 
connection on their end for some reason, and reconnect again. The 
reconnect goes well, but the user cannot browse.  Doing a show user | 
inc username will list 2 pppoe sessions for the user. Obviously one of 
these is the lost session. We have a keepalive set, so after the 
keepalive time passes, the old session of course disappears. The problem 
is, until that happens or we remove the old session, the user cannot 
browse at all. Any ideas on causes of this would be much appreciated.

Thanks in advance.

-- 
D.J. O'Berry
Network Design Engineer
ZCorum
866-467-9791 ext 7041
doberry at zcorum.com

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