[libvirt-users] assign static external IP to container

[Gao feng]

On 12/13/2013 01:18 PM, Gao feng wrote:
> On 12/13/2013 12:33 PM, scar wrote:
>> Gao feng @ 12/11/2013 01:49 AM:
>>> I have a machine running libvirt lxc,
>>> on this machine(host), the network configure looks like this
>>> eth0 is the physical nic, virbr0 is the bridge libvirt created, and vnet0
>>> is the veth device created for libvirt lxc container. you can see, the eth0
>>> is a port of virbr0, and the ip is assigned on virbr0.
>>>
>>> [snip]
>>>
>>> And in container
>>>
>>> I change the ip of eth0 to 192.168.122.33 and add a route rule
>>> ip route add default via 192.168.122.1 dev eth0
>>>
>>> then the container can access the outside.
>>>
>>> I think it should work even you change the 192.168.x.x to the
>>> global ip.
>>
>> arrg thank you but this is all so confusing to me ><
>>
>> this is what my ifconfig and brctl show looks like on host machine:
>> http://pastebin.com/9f1HzXi5
>>
>> i want to use 67.180.246.123 for the container
>>
> 
> I saw there are two bridge br0 and virbr0 in your host.
> which bridge the libvirt uses?  what's result of #virsh net-list ?

and #virsh net-dumpxml default

> 
> I think you may setup the wrong bridge. try to set ip for virbr0 and
> make eth0 as a port of virbr0.
> 
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