VPN *almost* works

Srinivasan Krishnan skrishnan-R6A+fiHC8nRWk0Htik3J/w at public.gmane.org
Sat Apr 12 20:29:00 UTC 2008


On Sat, 2008-04-12 at 11:06 -0400, Phillip Mills wrote:
> I am attempting to connect from a SUSE 10.2 machine, through a  
> Linksys router and DSL modem to something called a "Cisco ASA" (so  
> says my network admin).
> 
> After running 'vpnc' some things work.  I can 'ssh' to various  
> machines on the remote network, log in and view directories; I can  
> use 'smbclient' to make connections.  Most other things simply hang.   
> Attempting to copy a file after connecting through ssh or smb hangs,  
> as does svn or wget.
> 
> At first I thought I was running into something that was protocol- 
> dependent, but now I'm wondering whether it's related to either  
> timeout or volume of data.
> 
> Any suggestions would be appreciated.

Looks like a MTU issue.  Check the MTU at both ends, and maybe bring it
down to something safe like 536 and test.  You can then gradually
increase it till you find the point at which things stop working.

HTH,

Krishnan


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