ssh reliability problems

[Eric S. Johansson]

Andrew Schulman wrote:

>>tunneling X traffic over ssh seems to fail at the four to six hour mark.
>>  all the connections shutdown with little reported information.  Normal
>>ssh sessions stay running fine.
> 
> 
> autossh might help.  It starts ssh sessions and periodically checks them to
> make sure that they're still passing data-- if they're not, it terminates
> them and starts a new one.  This is often helpful, but maybe not in your
> case, since you say that other tunnels are still good after the X tunnels
> fail.  I don't know what would cause that.

thanks.  I may try that.  Another data point.  Tunneling sessions using 
putty don't die.  It seems to be only OpenSSH tunnels that have problems.

---eric