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RE: [Xen-users] tcp checksum errors across dom0-domu bridge

To: "Daniel Goertzen" <goertzen@xxxxxxxx>
Subject: RE: [Xen-users] tcp checksum errors across dom0-domu bridge
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Wed, 28 Dec 2005 21:54:39 -0000
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Thread-index: AcYL60F2AFqyHjBqR6qUM3fnrLELbwABGtPQ
Thread-topic: [Xen-users] tcp checksum errors across dom0-domu bridge
> - I used the dom0 and domU kernels from 
> xen-3.0-testing-20051227, same results.
> - I tried turning off the checksum offload for eth0, but it 
> wouldn't let me.

(it would be peth0 you'd need to turn csum off on, but this isn't your

> - I removed my physical eth0 from the bridge so that the 
> whole network was purely virtual... the tcp checksum problem 
> still occurred.
> - I wrote a tiny python tcp client/server program that also 
> fails because of the tcp checksum problem.

Have you changed your kernel config from the default -xen or -xen0/U ?


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