Non-ISP Q-in-Q Deployments

Answered Question
Jul 13th, 2010

Would anyone realistically expect to see a Q-in-Q deployment in an enterprise environment?

Correct Answer by Edison Ortiz about 6 years 7 months ago

I haven't seen one yet.


You will find a lot of EoMPLS and L2TPv3 but not Q-in-Q.


The problem with Q-in-Q is the backbone has to be L2 end-to-end. Not that scalable.



Regards,


Edison

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Correct Answer
Edison Ortiz Wed, 07/14/2010 - 07:20

I haven't seen one yet.


You will find a lot of EoMPLS and L2TPv3 but not Q-in-Q.


The problem with Q-in-Q is the backbone has to be L2 end-to-end. Not that scalable.



Regards,


Edison

vmiller Wed, 07/14/2010 - 07:33

Did one in a midwest city over a provided sonet service.

It is a bit messy, and requires a fair amount of coordination with the carrier.

Edison Ortiz Wed, 07/14/2010 - 07:35

I believe Victor was looking for feedback on Non-ISP environments.


In NYC, we have a ton of Q-in-Q deployments with Verizon TLS.

vmiller Wed, 07/14/2010 - 07:44

Guess I misinterpreted what he meant by ISP (its early out here on the coast).

TLS or some other value added services would be about the only place you would need q in q.

I can't imagine "wanting" to do q in q...

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