Packet loss when connecting via IPv6

[Nikos Mavrogiannopoulos]

On Thu, 2016-01-28 at 21:01 +0100, Johannes Brechtmann wrote:

> > What MTU does the AnyConnect client set for the IPv6 link. And what
> > MTU does OpenConnect set?
> > 
> 
> Sorry, got something wrong: AnyConnect doesn't connect to the server
> via IPv6 at all.
> Openconnect sets the MTU to 1350, setting it manually after 
> connextion
> is established to 1178 fixed it for me.
> Thanks for the hint to look at the MTU.

That's strange, an MTU less than 1280 cannot carry IPv6 packets.

regards,
Nikos