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xen-users
Re: [Xen-users] VLAN in a Pool
On Sun, Apr 11, 2010 at 07:37:34PM -0700, Faraz Khan wrote:
> I have a pool with two xen servers connected to the same switch. At the
> pool level I have created an external network named VLAN3 with a tag id of
> 3. I have two Windows XP guest VMs running one on each host. I have
> attached both VMs to VLAN3 on each server. The problem is that both VMs
> cannot see each other over this VLAN. If I move both to one host server,
> then they do see each other.
>
>
>
> Why can't the VLAN span across a pool of servers. Do I need some special
> switch that can handle vlan tagged traffic? I just have an old 10/100
> NetGear ProSafe 16 (FS-116) switch.
>
>
>
> If my switch is capable of tagged traffic will the vlan work across the
> pool?
Yeah, you need to have a VLAN capable physical switch, and you need to set up
all the VLANS as tagged in the switch. So in this case you need to create a vlan
with id 3 in the switch, and configure it as tagged to all the xen-host ports.
-- Pasi
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