[Xen-users] Re: bonding ethernet and xen 3.2.1 or later.

[Ferenc Wagner <wferi@xxxxxxx>]

Massimiliano De Ruosi <max.deruosi@xxxxxxxx> writes:

>> Massimiliano De Ruosi <max.deruosi@xxxxxxxx> writes:
>>
>>> I've just set up xen (3.2.1 on Debian Lenny), enabled network-bridge
>>> in xend-config.sxp and all seems to work properly. Then I've tried a
>>> different setup: first I've created a bond device with two phisical
>>> nics, but then, installing xen, network stops working!
>>>
>>> I've tried then to change the xend-config.sxp with: (network-script
>>> 'network-bridge netdev=bond0') ...nope
>>>
>>> Is there anyone able to get xen (>3.2.1) working with bonding? If so,
>>> can you point me to the correct way?
>>
>> Yes.  I use the network-dummy script and do all the bond/bridge setup
>> in /etc/network/interfaces.  Works wonderfully.
>
> Will you post me (or to the list) your setup? An anonymized extract of
> your /etc/network/interfaces would be great!

Why not.  This is bog-standard, has nothing to do with Xen at all:

----------8<----------
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto bond0
iface bond0 inet static
        address         10.253.2.7
        netmask         255.255.255.0
        gateway         10.253.2.254
        slaves          eth-gb1 eth-gb2
        bond_mode       active-backup
        bond_miimon     100
        bond_updelay    4000
        bond_primary    eth-gb1

auto vlan891
iface vlan891 inet manual
        vlan_raw_device bond0

auto br891
iface br891 inet manual
        bridge_ports vlan891
        bridge_stp off
        bridge_fd 0

auto vlan894
iface vlan894 inet manual
        vlan_raw_device bond0

auto br894
iface br894 inet manual
        bridge_ports vlan894
        bridge_stp off
        bridge_fd 0

auto vlan897
iface vlan897 inet manual
        vlan_raw_device bond0

auto br897
iface br897 inet manual
        bridge_ports vlan897
        bridge_stp off
        bridge_fd 0
----------8<----------

My two physical interfaces are eth-gb1 and eth-gb2; these names are
prescribed by editing /etc/udev/rules.d/70-persistent-net.rules to
match the interface names printed on the case.

xend-config.sxp contains:
(network-script network-dummy)
(vif-script vif-bridge)

and the domU config files contain lines like:

vif = [ 'mac=00:16:3e:01:f0:73, bridge=br894',
        'mac=00:16:3e:01:f0:75, bridge=br897' ]
-- 
Good luck,
Feri.

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