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RE: [Xen-users] please help with xen networking with 2 ips

To: Timor A. <timor@xxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] please help with xen networking with 2 ips
From: Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>
Date: Mon, 23 Aug 2010 15:25:56 +0000
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Thread-topic: [Xen-users] please help with xen networking with 2 ips

I don’t understand how you ‘have’ IPs from two different /8’s on the same physical network.  Please clarify.


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From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Timor A.
Sent: Sunday, August 22, 2010 2:54 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] please help with xen networking with 2 ips



the networking just drives me crazy and it seems that i am missing something.

So here is my situation:
i have a server with 2 public IPs ( and
the dom0 is on:

i would like to have a domU with ip

I tried everything routing, bridging.. nothing seems to work.

my dom0 config;
(network-script network-bridge)
(vif-script vif-bridge)

:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface UH    0      0        0 eth0         UG    0      0        0 eth0

:~# brctl  showstp eth0
bridge id 8000.40618651c0b6
designated root 8000.40618651c0b6
root port    0 path cost    0
max age   20.00 bridge max age   20.00
hello time    2.00 bridge hello time    2.00
forward delay    0.00 bridge forward delay    0.00
ageing time 300.01
hello timer    1.10 tcn timer    0.00
topology change timer    0.00 gc timer    0.10

peth0 (1)
port id 8001 state      forwarding
designated root 8000.40618651c0b6 path cost   19
designated bridge 8000.40618651c0b6 message age timer    0.00
designated port 8001 forward delay timer    0.00
designated cost    0 hold timer    0.10

vif11.0 (2)
port id 8002 state      forwarding
designated root 8000.40618651c0b6 path cost 100
designated bridge 8000.40618651c0b6 message age timer    0.00
designated port 8002 forward delay timer    0.00
designated cost    0 hold timer    0.10

domU config:
vif         = [ 'bridge=eth0' ]

any help would be highly appreciated


Mit freundlichen Grüßen / Kind Regards,
Timor A.
cyHex - Logical Solutions
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