Re: Unable to establish IPv4 connections to neighbour domU domains

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Nov 10, 2006 at 09:43:19AM +0100, Lars Hoss wrote:
> Hi all!
> 
> We are currently setting up a new box with XEN. Dom0 is powered by a  
> modified Debian Sarge.
> Yesterday I set up a NetBSD 3.1 domU. So far everything seemed to  
> work fine. But then
> I noticed that I was not able to connect to other Sarge based domUs  
> (Sarge dom0: Sarge domU, NetBSD domU) .
> Although netstat says that a connection has been established nothing  
> happened. SSH for example just hangs forever.
> On my own box with NetBSD as dom0 this problem does not occure  
> (NetBSD dom0: NetBSD domU, NetBSD domU).
> Maybe there's some kind of incompatability between Linux and NetBSD?

Yes, there may be some issues with the pseudo hardware checksum linux uses
in domU vifs. You may have to disable it using ethtool -K

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--