[ovs-discuss] Trunk port

[sonny sonny]

Thanks for your quick response.

"tag" is working ,commands you have given I have already used and that
works.
But I want to work with trunk ports now and if port is trunk with vlan 2 (
we can specify particular vlan also to a trunk port)  then untagged
packet/other vlan tag packet to trunk port will  drop.

so If I am sending same vlan tag packet (vlan 2)  then why ping reply is
not coming.
how trunk with "particular vlan" specified will work in OVS? Am I missing
anything?

-Sonny

On Tue, Mar 20, 2012 at 9:43 PM, Ben Pfaff <blp at nicira.com> wrote:

>  On Tue, Mar 20, 2012 at 03:09:12PM +0530, sonny sonny wrote:
> > Hi All,
> >
> > I am using OVS 1.2.2 and have one OVS machine with two VMs.
> > Following commands I have used -
> >
> >  Create an OVS bridge:
> >  ovs-vsctl add-br br0
> >
> > Add eth0 to the bridge
> > ovs-vsctl add-port br0 eth0
> >
> > Add VM1 as an “trunk port” on VLAN 2:
> > ovs-vsctl add-port br0 vnet0 trunks=2
> >
> > Add VM2 on VLAN 2:
> > ovs-vsctl add-port br0 vnet1 trunks=2
> >
> > now when I am sending tag 2 ping request packet from VM1 to VM2 ( by
> > traffic generator) , then ping reply is not coming.
> > Please correct me where I am wrong.
>
> If you add those as trunk ports, then the VMs have to add the tags
> themselves.  Did you do this?  It involves the "vconfig" utility (or
> "ip link add link type vlan").
>
> If you want OVS to automatically tag those packets, then you want
> access ports instead.  Here are the commands that you would use:
>        ovs-vsctl add-port br0 vnet0 tag=2
>        ovs-vsctl add-port br0 vnet1 tag=2
>
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