[c-nsp] PPPoE L2 timeout recovery

[Whisper]

Cisco DSL Router Configuration and Troubleshooting Guide - PPPoE: DSL
Router as a PPPoE Client Troubleshooting
http://www.cisco.com/en/US/tech/tk175/tk15/technologies_configuration_example09186a008071a7c2.shtml

I don't think it is a NAT table overflow issue. If you really think
that this is the problem, change your NAT timers to age the
translations out faster than the default.

I don't think it is a IOS issue because the exact problem you are
describing happens with routers that are not Cisco.

On Feb 5, 2008 6:25 AM, Jason Gurtz <jasongurtz at npumail.com> wrote:
> I have a 3640A with a WIC1-ADSL residing in an NM-1FE1R2W.  IOS is
> 12.4(13b)
>
> Periodically, about every month or two, the dsl link will drop and
> debugging output shows:
> ... Sending PADI: vc=0/35
> ... padi timer expired
>
> Doing a shut no shut on atm2/0 seems to bring the line up back up and it
> then works fine for another month or two until I have to do it again.  The
> amount of traffic doesn't seem to trigger this behavior.  The shut no shut
> seems to cause a line retrain on this platform since the CD light goes out
> after the shut.
>
> Is this necessarily an ISP problem, or is there something I might be
> missing on my end like overflowing some NAT table or something?  Any other
> config I should provide?
>
> ~JasonG
>
> --
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