[Xen-users] Failed to setup NAT

To: xen-users@xxxxxxxxxxxxxxxxxxx
From: YAO <yffbrave@xxxxxxxxx>
Date: Fri, 17 Jun 2011 16:59:04 +0800
Delivery-date: Fri, 17 Jun 2011 21:37:39 -0700
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List-id: Xen user discussion <xen-users.lists.xensource.com>

I'm using Xen 4.1 and here's what I did:

1.comment network-script and vif-script about bridge in /etc/xen/xend-config.sxp, uncomment the lines about nat

2.set vm config, add something likeÂvif = [ 'mac=00:16:3e:00:00:11, ip=10.0.0.1' ]

3.set /etc/network/interfaces in domU, add lines as follows:

auto eth0

iface eth0 inet staticÂ

address 10.0.0.1Â

gateway 10.0.0.254Â

netmask 255.255.255.0

But it didn't work!

Here's the output of "ifconfig -a" in dom0

tap10.0 Â Link encap:Ethernet ÂHWaddr a6:8a:1b:92:be:af Â

Â Â Â Â Â BROADCAST MULTICAST ÂMTU:1500 ÂMetric:1

Â Â Â Â Â RX packets:0 errors:0 dropped:0 overruns:0 frame:0

Â Â Â Â Â TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

Â Â Â Â Â collisions:0 txqueuelen:500Â

Â Â Â Â Â RX bytes:0 (0.0 B) ÂTX bytes:0 (0.0 B)

vif10.0 Â Link encap:Ethernet ÂHWaddr fe:ff:ff:ff:ff:ff Â

Â Â Â Â Â BROADCAST MULTICAST ÂMTU:1500 ÂMetric:1

Â Â Â Â Â RX packets:0 errors:0 dropped:0 overruns:0 frame:0

Â Â Â Â Â TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

Â Â Â Â Â collisions:0 txqueuelen:32Â

Â Â Â Â Â RX bytes:0 (0.0 B) ÂTX bytes:0 (0.0 B)

the vif10.0 didn't get an ip!

The same thing happened in domU whose eth0 didn't get ip, too. Strangely, eth0 was renamed to eth9, I don't know why.

So, where did I make mistake? How to setup NAT network in the new toolstack?

By the way, can I use bridge mode if I have only one IP?

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