[ale] Tunnel presistence connection issue

[Dow.Hurst at mindspring.com (Dow Hurst)]

Have you reduced the ppp MTU size?  Are the internal machines behind the 
tunnel with a MTU of 1420 or smaller?  My ppp connections always worked 
best if the internal interface of the LAN firewall/tunnel machine was 
set to 1420 and all the internal LAN used 1420 instead of 1500 for the 
MTU.  Just a thought and I really have no idea what is going on.  Just a 
guess,
Dow


Christopher Fowler wrote:

>I'm using Vtun at a remote site and am running pppd inside my tunnel. 
>The remote site has Time Warner Cable as their provider.  After a few
>minutes of inactivity across the tunnel, the tunnel seems to lock up. 
>No data can go between the two machines.  Its as if something in between
>stopped the flow of traffic.  Eventually the tunnel will time out at the
>other end and close down and start a new one.  Out of 20+ sites this is
>the only site that does this.  Its also the only site using cable modem.
>Does anyone know what could be causing this?
>
>Chris
>
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