Re: [Xen-devel] vif_addip

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> I'm trying to add a new ip address to a running domain;
> 
> The domain starts:
> [root@xen xenolinux-2.4.24]# xc_dom_create.py -f /etc/xc/test -D vmid=1
> Parsing config file '/etc/xc/test'
> VM IP address(es)  : "169.254.1.1"
> VM cmdline         : 
> "ip=169.254.1.1:169.254.1.0:169.254.1.0:255.255.0.0::eth0:off root=/dev/xvda 
> ro 4 VMID=1"
> VM started in domain 1
> 
> Then I add the address:
> xc_dom_control.py vif_addip 1 0 192.168.250.60 
> But no address is added.

You've told Xen about the domain's new IP address, but you still
need to tell the domain itself in the normal way.

i.e. either log into the domain and "ifconfig eth0:1 192.168.250.60", or 
put the configuration runes in the
/etc/sysconfig/network-scripts/ifcfg-eth0:1 script (or whatever
the equivalent on your distribution is).

The linux kernel command line only allows you to configure a
single IP address, but if you don't need the 169.254.1.1 address
for other things you might want to configure the 192.168.250.60
address in the ip= line.

> This requires to have 2 hardware network(because 1 have only one)?

No, one will work just fine.


Ian


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