Re: [Xen-users] Secondary IP's not working

[Mario Minati <mario@xxxxxxxxx>]

Hi Michael,

I think you should post some more infos, like output of ifconfig, route 
-n, brctl show and maybe iptables for dom0 and domU to understand the 
network settings better.
Regards,
Mario


Michael Warner schrieb:

> Hello,
>
> I'm working with a centos4 guest os and am having some trouble with 
> assigning multiple IP's to the guest. In the guest machine I have 
> created the proper entries in /etc/sysconfig/network-scripts to bring 
> the network up. Once booted I have a setup like this:
> eth0 - 1.1.1.1
> eth0:1 - 1.1.1.2
>
> Now the problem is I can access the first IP from the outside world 
> without a problem. But the second IP on eth0:1 does not work, when I 
> try accessing it I get the domain0 machine instead of the guest. What 
> I tried doing next is taking down eth0 and assigning 1.1.1.2 to it 
> like so:
> ifconfig eth0 down
> ifconfig eth0 1.1.1.2 up
>
> I still could not access the IP. But if I initiate an outgoing 
> connection (ie ping a domain) then immediately it starts working. So 
> my question is how can I get several public IP's working while booting 
> the guest? The guest configuration looks like this:
> kernel = "/boot/vmlinuz-2.6.11.10-xenU"
> memory = 512
> name = "guest"
> nics = 1
> cpu_weight=5
> vif = ['vifname=vps17519'];
> disk = [ 
> 'file:/opt/xen/vps17519/disk,sda1,w','file:/opt/xen/vps17519/swap,sda2,w' 
> ]
> root = "/dev/sda1 ro"
>
> I start the domain by issueing this command:
>
> xm create guest.cfg
>
> Any help would be appreciated.
>
> -Mike
>
>
>
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