Re: [Xen-users] Getting the bridged network running on Debian Squeeze with Xen 4.0.1

["Taschik, Daniel" <Daniel.Taschik@xxxxxxxxxxxxxxxxxxxxxxxxxx>]

Thanks for your fast response.
On 29.02.2012, at 13:04, Simon Hobson wrote:

> Taschik, Daniel wrote:
> 
>> On the Host, my xend-configuration.sxp looks like this:
>> 
>> (vif-script vif-bridge)
>> (network-script 'network-bridge bridge=eth0')
> 
> OK, stop right there, comment out network-script. The Xen supplied 
> scripts are not needed now and are to all intents deprecated in 
> favour of Host OS facilities. Debian in particular make sit an 
> absolute doddle to set up the bridge. All you need in 
> /etc/network/interfaces is something like this :
> 
> auto eth0
> iface eth0 inet static
>   bridge_ports peth0
>   address 192.168.x.y
>   netmask 255.255.255.0
>   gateway 192.168.x.z
> 
I commented (network-script 'network-bridge bridge=eth0') and m y interfaces 
now look like the following:

auto eth0
iface eth0 inet static
        bridge_ports peth0
        address 192.168.67.12
        netmask 255.255.255.128
        network 192.168.67.0
        broadcast 192.168.67.127
        gateway 192.168.67.1
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 192.168.67.1
        dns-search signavio.com

I also changed /etc/udev/rules.d/70-persistent-net.rules to:

# PCI device 0x8086:0x10c9 (igb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
ATTR{address}=="00:25:90:49:93:20", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
KERNEL=="eth*", NAME="peth0"
# PCI device 0x8086:0x10c9 (igb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
ATTR{address}=="00:25:90:49:93:21", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
KERNEL=="eth*", NAME="eth1"
# PCI device 0x8086:0x10c9 (igb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
ATTR{address}=="00:25:90:49:93:1f", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
KERNEL=="eth*", NAME="eth3"
# PCI device 0x8086:0x10c9 (igb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
ATTR{address}=="00:25:90:49:93:1e", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
KERNEL=="eth*", NAME="eth2"

I also changed my guest vif config to:

vif         = [ 'bridge=xenbr0,mac=39:fa:a9:88:a1:5c' ]

When I create the guest I still get the following error:

Configuring network interfaces...SIOCSIFFLAGS: Cannot assign requested address
SIOCSIFFLAGS: Cannot assign requested address
Failed to bring up eth0.

any other ideas?

> And I've used /etc/udev/rules.d/70-persistent-net.rules to set the 
> name of the physical interface to peth0. You don't have to do this, 
> you can use any name for the bridge, and any name for the physical 
> NIC.
> 
> That *really* is all you need to create a bridge in Debian these days !
> 
> I'd try that first and see if it changes anything. If not then 
> there's something else going on. I'm running 4.0.1 & Debian Squeeze 
> both at home and work, i686 and AMD64.
> 
> 
> One other thing I'd try is not specifying any IP addressing when 
> creating the guest. That ought to bypass any iptables stuff being set 
> up in vif-script.
> 
> -- 
> 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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