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Re: [Xen-users] Multiple bridges in startup



ok, manually i get the same results as you, can't figure out how to kill the new bridge without rebooting the box.

also, it seems the new bridge doesn't pick up an ip address for me either, or bcast, netmask ... seems like it should? xen-br0 has all that information...

anyone have advice for us newbs?

On Thu, 28 Apr 2005, Gil Freund wrote:

On 4/28/05, andrew mathes <amathes@xxxxxxxxxxxx> wrote:
wow, i was just going to post about this, i can't find it either ...

i think it's in xend-config.sxp: under
(network-script    network bridge=xen-br0 netdev=eth0)
(network-script    network bridge=xen-br1 netdev=eth3)

but this isn't actually setting up two bridges for me ...

Nor here. I can set up other bridges manual (see below)


and i think you don't need to declare specific MAC's, as long as the
bridge/vif is set up correctly.  ( I am specifying MAC's for DHCP
reservation)

any help for the both of us? maybe we'll figure it out together

OK, I will start with manual settings:

circus:/etc/xen/scripts# ./network start bridge=xen-br1 netdev=eth1
antispoof=yes
network start bridge=xen-br1 netdev=eth1 antispoof=yes
iptables: No chain/target/match by that name

in the domU I can see two NIC, but DHCP does not work. DomU domains
with static IPs work.

Now I have a bridge (xen-br1) using the mac address of eth1, however, when I do
./network stop bridge=xen-br1 netdev=eth1 antispoof=yes
xen-br1 us still up. Is this normal?


andrew

On Thu, 28 Apr 2005, Gil Freund wrote:

Hi,

Apologies: I recall this being asked (and answered) before, but I
cannot find the thread.

I have two NICs. I would like to setup three bridges:

xen-br0 - eth0
xen-br1 - eth1
xen-br2 - virtual only for domU interconnect

Where would be a suitable location to implement this so the startup
scripts pick this configuration?

Furthermore, do MAC addresses need to be explicitly declared in the
domU configuration files? The example files state that random MAC
addresses will be used, but simply stating nics=2 does not seem to
work.

Thanks


Gil

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