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Re: [Xen-users] Xen creating two bridges



Hi,
Are these bridges attached to some interface?

brctl show should look like this:

bridge name     bridge id               STP enabled     interfaces
xenbr0          8000.feffffffffff       no              eth0

xenbr1          8000.feffffffffff       no              eth1

regards,
Jordi



Russell Horn wrote:
Hi,

I'm trying to set up networking on a new machine.

I'm not getting any networking from the domU's

I notice that I have two bridges being created:

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:3024 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1802480 (1.7 Mb)  TX bytes:258 (258.0 b)

xenbr1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:44 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1232 (1.2 Kb)  TX bytes:468 (468.0 b)

Any idea why that would be?

/etc/xen/xend-config.sxp only contains this:

(xend-relocation-server yes)
(xend-relocation-hosts-allow '^localhost$')
(network-script 'network-bridge netdev=eth0')
(vif-script vif-bridge)
(dom0-min-mem 196)
(dom0-cpus 0)

I'm configuring networking for the domU with this line:
vif=[ 'mac=00:16:3e:6a:b4:43', 'bridge=xenbr0' ]

Any idea why I'm seeing two bridges and if that might point to why I'm
not getting any network throughput on my virtual machines?

Thanks,

Russell

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--
......................................................................
        __
       / /          Jordi Prats
 C E / S / C A      Dept. de Sistemes
     /_/            Centre de Supercomputació de Catalunya

 Gran Capità, 2-4 (Edifici Nexus) · 08034 Barcelona
 T. 93 205 6464 · F.  93 205 6979 · jprats@xxxxxxxx
......................................................................

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