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Re: [Xen-users] DomU and bridge mode, 2 intefaces.

  • To: "jerome.gaulin@xxxxxxxxxxxxxxxxx" <jerome.gaulin@xxxxxxxxxxxxxxxxx>
  • From: "Henning Sprang" <henning_sprang@xxxxxx>
  • Date: Sat, 3 Feb 2007 14:39:46 +0100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sat, 03 Feb 2007 05:39:46 -0800
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On 2/2/07, jerome.gaulin@xxxxxxxxxxxxxxxxx
<jerome.gaulin@xxxxxxxxxxxxxxxxx> wrote:

My physical machine has 2 interfaces : 1 to LAN (eth1), 1 to WAN(eth0) and has a
public IP outside of the public ip's pool of my DomUs.

So, in order to use bridge mode, i use a dummy interface(dummy0) in Dom0 to have
the same /29 network between Dom0 and DomU.

I do not understand, what this is used for and what you are trying to
say with this same /29 network.

You want to run some domUs on a bridge connected to the one physical
interface, and some connedted to the other, right?

Why do you not simply create two bridges, and configure each domU to
use one of thise with the bridge= parameter?

What's the problem?

i have created a script called by xend-config.sxp with :
#! /bin/sh
"$dir/network-bridge" "$@" vifnum=0 netdev=? bridge=XenBrWAN
"$dir/network-bridge" "$@" vifnum=1 netdev=eth1 bridge=XenBrLAN

For what do you need the vifnum

Should i put eth0 or dummy0 as netdev ?

I don't see what this should bring.

Should i manually put some new iptables forward rules ?

I also don't see what forwarding should bring in a bridged setup.
Maybe I am missing some important information, but I don't see your
problem here. As this is the second time you ask this, also nobody
else seems to understand it. Maybe my questions here will help solve


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