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[Xen-devel] Re: Qestion about the Xen network?

To: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, Bei Guan <gbtju85@xxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] Re: Qestion about the Xen network?
From: Bei Guan <gbtju85@xxxxxxxxx>
Date: Fri, 22 Oct 2010 23:15:22 +0800
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2010/10/22 Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Bei Guan, le Fri 22 Oct 2010 22:25:02 +0800, a écrit :
> What's the relationship between the eth0 and peth0? Which is my real
> network device card?

That's what you missed in the scheme: the xen scripts rename your real
network device card into peth0, and puts it into a bridge called eth0.
So you need to use the bridge called "eth0" in your PV scripts.

I update the Ubuntu's network configuration as
vif = ['bridge=eth0']

And after the Ubuntu booting, I set its IP as
However, I can access to the outside network.

root@ubuntu:~/test1# ping
connect: Network is unreachable

root@ubuntu:~/test1# ping
PING ( 56(84) bytes of data.
>From icmp_seq=1 Destination Host Prohibited
From icmp_seq=2 Destination Host Prohibited
From icmp_seq=3 Destination Host Prohibited
From icmp_seq=4 Destination Host Prohibited

But if PV use the virbr0 bridge, it can access to outside network successfully with IP


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