Out of curiosity, what form of Q-in-Q are you using?  Specifically, what's the 
Ethertype and are you using hardware that directly supports it?

Thanks,

--Justin


On Jan 20, 2010, at 6:31 PM, Justin Pettit wrote:

> There's been some discussion about adding some sort of double-tagging to OVS, 
> but we haven't finalized an approach yet.  Double-tagging seems like such a 
> simple proposal, but it's not been well standardized.
> 
> I haven't used ebtables much, but I don't think it will work with OVS.  OVS 
> "steals" the bridge's kernel hooks to receive packets, so the two cannot be 
> run simultaneously.  I believe ebtables depends on the bridge, and we haven't 
> implemented a compatibility layer to their bridge-netfilter architecture.  
> Our hope is that OVS will provide enough features so that ebtables won't be 
> needed.  (There has been some discussion about upstreaming OVS, which would 
> allow a more elegant method of receiving packets and possibly allow both to 
> run simultaneously.)  
> 
> --Justin
> 
> 
> On Jan 20, 2010, at 11:28 AM, DarkBls wrote:
> 
>> Sorry was talking about "802.1QinQ" and not "802.1ad"
>> 
>> 
>> ----- Message transféré ----
>> De : DarkBls <dark...@yahoo.com>
>> À : discuss@openvswitch.org
>> Envoyé le : Mer 20 Janvier 2010, 17 h 44 min 09 s
>> Objet : IEEE 802.1ad
>> 
>> Hi,
>> 
>> is 802.1.ad (a.k.a double VLAN tag) supported by openVSwitch ? 
>> 
>> If not, if there a way with EBTable to remove the outter tag before beeing 
>> processed my OpenVSwitch ?
>> 
>> Thank you.
>> 
>> 
>> 
>> 
>> _______________________________________________
>> discuss mailing list
>> discuss@openvswitch.org
>> http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org
> 


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