Marc@Mutz.com said:
> it could only be resolved by shutting down the ISDN system (/sbin/
> init.d/i4l stop) and starting it again.
Marc@Mutz.com said:
> Anyone got a clue?
This sounds familiar. I had a similar problem a few months ago. There were
always a constant number of packets in the outgoing queue. If I ran tcpdump on
the ISDN interface, I could see them being sent out. TCP connections would
stall, unless I ran ping across the link to keep the queue moving. ping -f
would make packets go out almost immediately (chronologically speaking).
I didn't ever manage to find out the cause of the problem. It used to take
some days of connectivity before it would happen, so I couldn't easily debug
it. Eventually we installed a leased line to replace the ISDN, so I have no
clue if it's still happening.
I was using the CVS ISDN code at the time - the standard code wouldn't work
with the Teles 16.3c IIRC.
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