[c-nsp] QinQ

[Eugene Vedistchev]

I believe that L2TPv3 is software switched and L2PT - hardware switched. 
So if you have 100meg+ q-n-q customers, you should connect them thru 
3550 trunk and use
7206 q-n-q feature is for vlan termination or vlan translation, not for 
switching.

eugene

Vincent De Keyzer wrote:
>> Lots of the switches support QinQ, e.g. 3550, 3650, 3750, 6500/7600.
>>     
>
> And what about routers?
>
> The scenario would be:
>
>     | .1q customer trunk
> +------+
> | 3550 |
> +------+
>     | q-in-q trunk
> +---------+
> | 7206VXR |
> +---------+
>     |
> (L2TPv3 cloud)
>     |
> +---------+
> | 7206VXR |
> +---------+
>     | q-in-q trunk
> +------+
> | 3550 |
> +------+
>     | .1q customer trunk
>
> I am not sure that the routers need to explicitly support QinQ, maybe they
> will just encapsulate whatever they see coming on their .1q subinterface? I
> am probably being too naïve here...
>
> Vincent
>
>
>   
>> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
>>     
>
>
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