[libvirt-users] libvirt-users Digest, Vol 34, Issue 35

Gao Yongwei itxx00 at gmail.com
Thu Nov 1 13:35:22 UTC 2012

2012/10/31 Chandana De Silva <chandana at desilva.id.au>

> You _can_ do NAT.
> Set up a  different libvirt network on each machine, like this;
> will have a libvirt network
> will have a libvirt network
> Set up each of these networks as routed networks.
> Now set up routing/iptables rules on each host to send traffic to each
> other, and NAT into the internal routed network
> On 31/10/12 01:46, libvirt-users-request at redhat.**com<libvirt-users-request at redhat.com>wrote:
>> Message: 1
>> Date: Tue, 30 Oct 2012 07:10:55 +0000
>> From: ??<zhang_zhang at live.com>
>> To:<libvirt-users at redhat.com>
>> Subject: [libvirt-users] Can VMs on different machines communicate
>>         with each other without IP?
>> Message-ID:<BLU172-**W4666B32A6C9C8E75734C67FC620@**phx.gbl>
>> Content-Type: text/plain; charset="gb2312"
>> Dear all,
>>       I confront a somehow strange situation:
>>       I have two machines configured with ip and
>> respectively. Each has several VMs running on it. The problem
>> is that I have no more ip ( such as to allocate to VMs,
>> but VMs need to communicate with each other even when they are on different
>> machines.
>>       Two network options exist: NAT and bridge.
>>       1) NAT
>>           But VMs on different machine cannot communicate with each other.
>>       2)bridge
>>           But there is no more ip for vm to be bridged to host machine.
>>       Is there any other way to work around this problem?
>> many thanks!
> you can custom your iptable rules to solve it,i've noticed that you've got
a method which from my blog,good luck!
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