From: "Geo" 

I've not experienced the problem but it appears to me to be an MTU issue,
which could be related to icmp being used to sense MTU or could be
something hardcoded causing the problem.

Geo.

"Peter Sawatzki"  wrote in message
news:MPG.1cd5ae86bfaed32f989744{at}news.barkto.com...
> Geo,
>
> The same problem ("blackhole router") was what terrorized me some time
> ago when a VPN Admin of one of the VPNs we connected trough decided to
> block ICMP fragmentation bit (type 3 subtype 4 or some such): you could
> do an initial connect to the terminal session but receive a blank, black
> screen. The interesting thing: you could open a second session while
> this session was "hanging" without problem. Maybe this is a workaround
> for your Terminal Sessions too!
>
> Peter

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