[RP-PPPoE] rebuild connection

[Helmut Hullen]

Hallo, Insane,

Du meintest am 11.06.11:

>> At some times the pppoe connection is rebuilt about every 20
>> minutes, somtimes even faster, especially on one of the three
>> servers. Another server reconnects never the whole day.
>>
>> Is it possible that some nasty guy (it's always a guy, never a girl)
>> makes something like "router reconnect" for faking/changing the IP
>> address?

> The best way to begin looking at this problem, is to look at syslog
> on the client and read the messages there from pppd.

> It will (should)
> tell you exactly the reason - either it thinks the link is dead, or
> an idle timer expired, or it recevied a 'padt' from the server.

I'll have to wait - the problem appeared last time more than 10 days  
ago, the file "/var/log/messages" has been rotated to nirwana.

But if I remember correct there had been messages with "padt".

> If it's 'idle timeout', well, can't help a whole lot other than to
> either turn it off or pass more traffic (or modify the match
> criteria)

> If it's related to missed lcp-echo responses, then you could be
> looking for dropped packets on your wan link. Its generally stupid to
> try and have lcp-echo-request being sent very often, and especially
> dumb to drop the link on one missed reply (which is a sonic wall
> hallmark, and some other consumer devices do this too. Idiots).

> If it's 'recieved padt', well, you'lll need to look at the server
> logs and see why it's kicking you out.

Thank you so much - now I know which additional informations may help.

Viele Gruesse!
Helmut