Re: [Xen-users] Trouble with manual bridging on Xen3/CentOS 5

[Teck Choon Giam <giamteckchoon@xxxxxxxxx>]

On Sun, May 1, 2011 at 10:04 AM, Digimer <linux@xxxxxxxxxxx> wrote:
> On 04/30/2011 08:47 PM, Teck Choon Giam wrote:
>> Pasi is right about to use system network configuration so that xend
>> and system network are separated.  Can you explain how it was bugged?
>> Is it sometimes get set and sometimes not?  Have you try to give a
>> small sleep interval such as 3 seconds before setting the related mtu?
>>
>> Thanks.
>
> Sure.
>
>  I've got three interfaces in my server;
> - eth0; Internet-facing, bridged as xenbr0
> - eth1; Storage network, not bridged or used by any domU.
> - eth2; Back-channel/internal network, bridged as xenbr2, used by some domU.
>
>  I had a patch[1] in xen-network-common.sh's setup_bridge_port()
> function that would look at the $dev passed in, parse it and pull the
> MTU from the corresponding bridge. The bug was that this $dev matched
> the ethX device in the domU rather than the bridge, so when the second
> interface (xenbr2 <-> domU's eth1) would look for the MTU of 'xenbr1',
> which didn't exist.

Your domUs are all HVM or PV or both in mix with the same problem?

Thanks.

Kindest regards,
Giam Teck Choon

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