AW: AW: [Xen-users] xen + vlan: works but...

["Thomas von Steiger" <thomas.vonsteiger@xxxxxxxxxx>]

Hi Marco,
I have testet the same network config with FC5 a half year ago with the same
problem.
Finaly my setup was running with
server-eth0 <-> bridge <-> vlanXY <-> domU-eth0.XY
Now I like to test your config again with rhel5.

Regards
Thomas

-----Ursprüngliche Nachricht-----
Von: Marco Mililotti [mailto:m.mililotti@xxxxxxxxx] 
Gesendet: Mittwoch, 28. März 2007 11:03
An: Thomas von Steiger
Betreff: Re: AW: [Xen-users] xen + vlan: works but...

Thomas von Steiger wrote:
> Maybe you need to change MTU.
> Search about this in google xen vlan MTU.
> Thomas

Hi Thomas.
I forgot to mention... but I've changed the MTU size of the outgoing 
physical interface of the xen server to 1504, and sniffing traffic using 
tcpdump I've found that outgoing packets are forged with the right size.

So... I don't think It's an mtu size problem. Moreover, with the same 
setup and MTU size I can succesfully test 2 physical hosts, as I've 
reported in what I called "case C)". One of which physical host is the 
Xen server.

Maybe we could add this thread to the mailing list? If you want to reply 
there?

Thanks for your suggestion...
Regards,
-- 
-- Marco Mililotti
"Democracy is two wolves and a lamb voting on what to have for lunch.
Liberty is a well-armed lamb contesting the vote."
Benjamin Franklin

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