Re: [Xen-users] Xen creating two bridges

[Jordi Prats <jprats@xxxxxxxx>]

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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