I'm guessing you mean that it disconnects and you don't want it to.
set 'KEEPALIVE yes' in your config file. That should fix the problem.
-=-=-=-=-=-=-=-Previous Message(s)-=-=-=-=-=-=-=-
> My private linux system is configured for automatic dialing on
> demand. If there is no IP traffic for a certain amount of time, the
> connection is terminated and the route is set back to a default route.
>
> After such a break, a ssh-session cannot be continued.
>
> Any hints?
>
> Thanks in advance
>
> Thomas
>
> PS: For similar problems with http, there is already a solution which
> shifts the address from the default address to the new dynamic one.
>
>
>
>
>
> --
> Dr.-Ing. Thomas Ziegler, Schweinauerstr. 65, 90439 N�rnberg
> Phone +49 911 6599595, FAX +49 911 6599596