Re: [Xen-users] Creating network bridge without IP address

[Simon Hobson <linux@xxxxxxxxxxxxxxxx>]

Zoltan Lippai wrote:

> So is it possible somehow to setup br0 on domain0 without it having 
> an IP address?
Yes, it is very easy - but you have missed out two very important 
bits of information :
1) What OS/Distro are you using for Dom0 ?
2) How are you setting up the bridges ?

Using the network-scripts in Xen to setup bridges is deprecated in 
favour of using the OS tools to do it. In Debian it's as easy as 
putting this in your /etc/network/interfaces file :
auto eth0
iface eth0 inet static
  bridge_ports peth0
  address 192.168.x.y
  netmask 255.255.255.0
  gateway 192.168.x.z

If you don't want an IP on the bridge, then simply omit the lines 
adding it, so you just have :
auto eth0
iface eth0 inet static
  bridge_ports peth0

NB - for my setup, I've configured the NIC to have the name peth0 
using the persistent rules in /etc/udev/rules.d. That allows me to 
call the bridge eth0 which means it looks just like a normal 
interface in scripts etc. At work where I have multiple bridges, I 
tend to use [p]ethint, [p] ethback, [p] ethext, and so on so it;s 
clear what each is connected to.
--
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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