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[Xen-users] Two interfaces in a guest domain

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Two interfaces in a guest domain
From: Ramiro Brito Willmersdorf <ramiro@xxxxxxxxxxxxxxxx>
Date: Mon, 5 Sep 2005 15:49:27 -0300
Delivery-date: 2005年9月05日 18:51:58 +0000
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Hello,
I'm still having problems with my 'upgrade' to the FC4 xen packages.
I have a domain with two virtual network interfaces, in two different
subnets.
For a domain with a single interface, the new networkd setup script works 
fine, but it does work (for me) with two interfaces.
It used to work fine, and I used to set it up with simply by more or
less blindly doing this:
case ${OP} in
 start)
 $p/network start bridge=xen-br0 netdev=eth0 antispoof=no
 $p/network start bridge=xen-br1 netdev=eth1 antispoof=no
 ;;
where $p/network was the original (xen 2) network setup script
for a bridged configuration. 
The same thing does not work for the new scripts, since there
are hardcoded devices in there: veth0, peth0, vif0.0.
I tried to put these on variables, but hit a serious problem:
it seems that veth0 is something that is created by xen 'kernel',
and there is only one of it. Does it mean that there can be just
one bridged interface now? I certainly don't want to bridge the
two subnets together.
I'll try to set the other interface one using the same technique as the
xen 2 scripts did, but I've read on the mailing list arvhives that bridged
interfaces are unreliable unless they use veth0, no?
I'm a bit confused and would really appreciate some help.
-- 
Ramiro Brito Willmersdorf Dep. Engenharia Mecânica/UFPE
ramiro@xxxxxxxxxxxxxxxx tel: +55 81 2126-8231e239 
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