I have a Debian Etch box running with Linux kernel 2.6.18 and Xen 3.0.3.
On that box, in dom0, I have three active interfaces, eth0, eth1, and
eth2. However, only eth2 has an IP (this is the management interface).
eth0 and eth1 are simply "up" ("iface eth0 inet manual"
in /etc/network/interfaces).
I have a custom network-bridge script with the following:
#!/bin/sh
/etc/xen/scripts/network-bridge $1 vifnum=0 bridge=xenbr0 netdev=eth0
/etc/xen/scripts/network-bridge $1 vifnum=1 bridge=xenbr1 netdev=eth1
which creates xenbr0 and xenbr1 at boot, attached to eth0 and eth1
respectively.
My domUs are configured to use xenbr0 or xenbr1. Everything works great!
The physical interfaces, the vif0.X interfaces, and the bridge interfaces
all have the same numbers and match up nicely (eth0, peth0, vif0.0,
xenbr0 all link together).
I have an Ubuntu Hardy box running with Linux kernel 2.6.24 and Xen 3.2,
and I cannot replicate this setup. The included network-bridge script no
longer accepts any parameters except "start/stop" and doesn't seem to
create bridges for interfaces without IPs in dom0.
How can I replicate the bridge setup that I have on my Xen 3.0 box, where
bridges are created at boot on all the interfaces that are marked "up"?
I want eth0 to be the management interface with an IP in dom0 only. And I
want eth3 through eth6 to be bridged interfaces with no IPs in dom0, just
up and running so I can attach the different domUs to the different
bridges. Ideally, I'd also like to name the bridges something other than
ethX.
I've tried using the included network-bridge script, but it doesn't seem
to work on interfaces without IPs, and it (or xend) is not linking the
vif0.X numbers with the interfaces numbers (vif0.0 is linked to eth3 for
example).
I've tried using a wrapper around network-bridge that passes parameters,
and another that exports env variables. No go.
I've tried creating the bridges automatically via /etc/network/interfaces,
and manually. I can get either the domUs to connect or the dom0 to
connect to the network, but not both at the same time.
What am I missing? How does one create bridges for the domUs to use
without wasting a bunch of IPs for the dom0?
--
Freddie Cash
fjwcash@xxxxxxxxx
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