[ovs-discuss] QinQ support

Dimitar Ianakiev lists at mitaka-g.net
Wed Jan 7 17:07:24 UTC 2015


Hi Tom,

Thank you very much for the clarification. I am looking forward to your
patch. Meanwhile I will take a look at the code of OVS and see if I can
patch it myself.

Regards
Dimitar


On 07/01/15 16:50, Thomas F Herbert wrote:
> Dimitar,
>
> 802.1ad will separate client traffic from each other and from provider
> traffic. Each level of VLAN tag will is 12 bits. So you could have
> 4096 provider VLANS and then within each of those provider VLANS you
> could have 4094 "customer" or in your case client VLANs.
>
> You can try our patch for 802.1ad but you will have to build OVS from
> source.
>
> As is the case with 802.1ad, openflow spec supports 802.1ah (PBB) but
> OVS doesn't support it as yet.
>
> There have been several contributions toward this goal. We at
> EntryPoint hope to work on this as well after 802.1ad.
>
> --Tom
>
> On 1/6/15 3:01 PM, Dimitar Ianakiev wrote:
>> Hello,
>>
>> Thanks for the reply. I will look at 802.1ah. Currently our architecture
>> does not involve physical hardware as we do not have control over it. We
>> were planning on using the provided private network from the data centre
>> and separating the traffic of our clients inside this vlan. We just need
>> to host more than 4094 vlans in such network. Does the openvswitch
>> support 802.1ah?
>>
>> Regards
>> Dimitar
>>
>> On 06/01/15 02:30, Thomas F Herbert wrote:
>>> Dimitar,
>>>
>>> Open vSwitch does not currently support 802.1ad. I have submitted a
>>> patch for 802.1ad and I am in the process of submitting a new version.
>>> However, 802.1ad will not solve the namespace problem. Perhaps you are
>>> thinking of 802.1ah?
>>>
>>> --Tom
>>>
>>> On 1/5/15 3:51 PM, Dimitar Ianakiev wrote:
>>>> Hello,
>>>>
>>>> We are using openvswitch for some time and we are trying to implement
>>>> "private vlans" for our customers. Each customer should have vlan(s)
>>>> between his/her virtual instances. The problem with 802.1q vlans is
>>>> that
>>>> we are expecting more than 4094 clients per openvswitch instance
>>>> and the
>>>> vlan limit is 4096. We are considering QinQ(802.1ad).
>>>>
>>>> My question is if ovs supports QinQ and how this can be achieved ?
>>>> Please propose other approach if this is not a good solution to the
>>>> problem.
>>>>
>>>> Regards
>>>> Dimitar Ianakiev
>>>> _______________________________________________
>>>> discuss mailing list
>>>> discuss at openvswitch.org
>>>> http://openvswitch.org/mailman/listinfo/discuss
>>>
>
>




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