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xen-users
Re: [Xen-users] quick question about bonding with vlans and Xen
On Wed, Jun 16, 2010 at 10:14 PM, Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx> wrote:
>> And I just THOUGHT I had it working. It seems that no machine on the same
>> vlan as my domu can connect to it unless the domu first pings the machine
>> trying to connect to it. That and the domu has about 80% packet loss! It has
>> to be something I am missing.
>> Centos 5.5 x86_64
>> Xen 4.0 from gitco repo
So Xen 4.0 can work with Centos kernel-xen now? Good to know. It
didn't work the last time I tried.
> Let me clarify this: Anything NOT on the same vlan has no issues getting to
> the domu. I have tried various domu's on various vlans and all exhibit the
> same behavior. Anything outside the vlan of the domu can connect to it.
> While anything on the same vlan cannot connect to it unless the domu first
> pings the machine in question. Even with that it has about 80% packet loss.
>
> Is anyone else doing a balance-alb style bond0 with various vlans passing
> over it and having success?
I'd start by troubleshooting the problems one by one.
First of all, the switch side. You MIGHT need spanning-tree portfast there.
Second, bonding mode. You might want to try with simpler modes first
(0,1, or 2), and then simulate links failure (possibly by disabling
the port on switch side) to make sure that at least the basic failover
stuff and switch config is working properly.
If all fails, you might need to actually do 802.3ad.
--
Fajar
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