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RE: [Xen-users] xen and vlans

from [Ian Pratt]

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To:	"Lockenvitz, Jan \(EXT\)" <Jan.Lockenvitz.extern@xxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:	RE: [Xen-users] xen and vlans
From:	"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date:	Fri, 16 Dec 2005 08:01:44 -0000
Cc:	ian.pratt@xxxxxxxxxxxx
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Thread-topic:	[Xen-users] xen and vlans

 > I think it should be sufficient to do as following:
>  
> - create and test the vlans as normal (i think you already did this)
> - try to create the bridge as follows (for the first try 
> without starting xend): 
>  
> # network-bridge start netdev=vlan100 bridge=xenbr0
> 
> at least this was working on my debian testing installation 
> but i have a problem now with incorrect tcp checksums in dom0 or domU.
> See my post: 
> http://lists.xensource.com/archives/html/xen-users/2005-12/msg
> 00412.html

You should be able to use ethtool on the vif's to disable checksum
offload, which is likely getting confused by the vlan headers. It would
be good to get this entered on bugzilla just for the record.

Ian

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