AW: [Xen-users] NAT with static ip configuration doesn't work

[Franz Von Hahn <franz.vonhahn@xxxxxxxx>]

hey!

please note, that fedora 9 doesn't have native support for running F9 as Dom0. 
i use centos 5.2 as dom0. it doesn't have support for the newest hardware but 
it works very stable. if you want to use Fedora, please use Fedora 8 (!) as 
Dom0, as it has native support for Dom0.

greets,

franz von hahn





----- Ursprüngliche Mail ----
Von: Zhi Wang <zwangf@xxxxxxxxx>
An: xen-users@xxxxxxxxxxxxxxxxxxx
Gesendet: Mittwoch, den 22. Oktober 2008, 22:35:33 Uhr
Betreff: [Xen-users] NAT with static ip configuration doesn't work

Hi, All
I have a very basic configuration as this:
Dom0 is based on Fedora core 9. Xen 3.3.0 built from source code. Dom0 is a 
standard build of 2.6.18.8-xen. 
I have only one physical NIC connected to the Internet. The DomU is a ubuntu 
server 8.04 HVM. I did the 
following steps to setup NAT network for my domU. 
1. change /etc/xen/xend-config.sxp to use NAT:
          (network-script network-nat)    
          (vif-script    vif-nat)

2. the configuration file for domU is as
          vif = [ 'mac=00:16:xx:xx:xx:xx, ip=10.0.0.1']

When I create the domU, the scripts will bring up two extra interfaces: vif3.0 
and tap3.0. 
That is, now I have four interface: eth0, lo, vif3.0 and tap3.0. Eth0 is 
connecting to the Internet.
Everything looks ok, but I can't ping the domU from dom0. Neither can I ping 
the dom0 
form domU.

>From a quick tcpdump, it seems that the virtual NIC in domU is actually 
>connected to 
Tap3.0. Nothing shows up in vif3.0. If I bring down vif3.0 and configure the 
tap3.0 with
the router address, everything works just fine. 

I am just wondering if I have done anything wrong. Supposedly the official 
release of XEN
should be able to work under such a simple configuration. Thanks

Best regards,
Zhi


      


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