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Re: [Openvpn-users] MTU problem?

  • Subject: Re: [Openvpn-users] MTU problem?
  • From: James Yonan <jim@xxxxxxxxx>
  • Date: Sat, 22 Jan 2005 00:34:50 -0700 (MST)

On Fri, 21 Jan 2005, Jochen Witte wrote:

> Hello,
> I finally managed to setup my VPN between to subnets (see thread "routing
> forever).
> I now upgraded to OpenVPN 2.0 with certificates and server/client mode.
> OK, I succeeded in setting up the VPN: I can ping from one sunet to the
> other without problems. However everything else just hangs. From the
> gateway machines everything works well (e.g. ssh, http, ftp...). Also, I
> can reach the opposite gw from the subnet with ssh. But NOT: from subnet A
> to subnet B.
> With "verb 6" I can see packets with length 84 travelling from one subnet
> to the other, but nothing happens...
> Any hints?

This sounds like a classic MTU problem.  Try "mssfix 1200" or "mssfix 


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