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[Xen-users] FAQ: names and ordering of network interfaces in DomU

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] FAQ: names and ordering of network interfaces in DomU
From: "Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 10 Oct 2006 15:48:27 +0200
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Hi,

XEN confused me very much. In the config file I had:
vif = [ 'mac=00:16:3e:ff:3b:18,bridge=xenbr0',
        'mac=00:16:3e:c0:92:08,bridge=xenbr1' ]
The idea was to connect
eth0(peth0) via xenbr0 to DomU's eth0, and
eth1(peth1) via xenbr1 to DomU's eth1.

However it turned out that the first address is assigned to "eth2" in DomU, 
while 
the second address is assigned to "eth1", and there is no "eth0" in DomU. With 
that confusion I ended up in crossover-connecting the networks...

Questions:
1) Why are the interfaces assigned in reverse order?
2) Why isn't the first interafce eth0?

Regards,
Ulrich


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