Re: [Xen-users] vif conf problem

[Adrian Chadd <adrian@xxxxxxxxxxxxxxx>]

On Thu, Jul 20, 2006, Diego Parasecoli wrote:
> Hi all,
> i've a simple (for u) problem:
> just installed RH4.1 as dom0, now i want to assign a static ip address 
> for each virtual machine i'll made. How can i configure the vif 
> parameter in che configuration? Tryed vif = [ 'ip=192.168.1.201, 
> bridge=xenbr0' ] but doesn't work..... the root of the virtual machine 
> can set any ips he wants..

Make sure you've passed the antispoof parameter into 'network-bridge'.
Ie, the network-bridge script needs to be called like this from
/etc/xen/xend-config.sxp:

(network-script 'network-bridge antispoof=yes')

By default it doesn't have antispoof=yes in this entry in xend-config.sxp.

Yuo've got the vif line right. mine are in the reverse order, eg:

vif = [ 'bridge=xenbr0, ip=192.168.1.201' ]

And mine work, ie this shows up in iptables -L -n under the
FORWARD policy:

ACCEPT     all  --  192.168.1.201        0.0.0.0/0           PHYSDEV match 
--physdev-in vif1.0 
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           PHYSDEV match 
--physdev-in vif1.0 udp spt:68 dpt:67 



adrian



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