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Use of Metro ethernet switches

Folks,

I have looking at a sample config for EWS. The senario has 3550's at the enge and 6500 at the core. 6500's were doing the Q-IN-Q functionaility to carry customer vlan over provider vlan.

My question is where would a 3750 series metro switch be useful. Lets say i had a 7600 P.E which also have Q-IN-Q functionility, why would i buy a 3750 if i was a provider?

Thanks

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Re: Use of Metro ethernet switches

Hello,

simplified one driving factor for Q-in-Q is port cost. The cost of an ethernet port on a 7600 is higher than the same port on a 3750. So for a SP serving many customers and potentially in need of hundreds of ethernet customer ports, it means that the hardware invest will be lower and therefore competitiveness in the market will be better.

Hope this helps! Please rate all posts.

regards, Martin

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