[vpn-help] Established VPN tunnel by Ubuntu client only transfers limited userland data

[Matthew Grooms]

On 11/16/2010 2:25 PM, Gordon wrote:
> Hi Matthew,
>
> Thanks for getting back to me on this.
>
> I've looked around for any MTU setting on the Netgear router, and can
> only find one reference to this. The router has a default MTU size of
> 1500 on the WAN interface.
>
> I was sort of expecting that there might be some MTU setting within the
> VPN functionality of the router, but none is apparent.
>
> Anyway,I've tried reducing this WAN MTU downwards, as far as 1300, with
> no apparent change in the Linux client behaviour.
>
> Is this enough info to move forward with?
>

I meant the MTU on the tap device on your Ubuntu host. The tap device 
gets created when the tunnel is established ( assuming you are using a 
virtual adapter mode ). I'm not sure what you mean by the WAN MTU.

-MAtthew