Calin Chiorean Thu, 06/03/2010 - 02:26

I could not find any IOS version to support q-in-q for 2960 or 4948, so I guess it's not supporting it.

Also to your second question, I didn't find anything again using sfp modules in sfp+ slots.

Hitesh Vinzoda Thu, 06/03/2010 - 02:46


I had never seen q in q in the 2960 configuration guides section so i m pretty sure that it doesnt support q in q. I also remember that when one of my friend was designing metro ethernet for a company, Cisco advised him to use 3750 at the access layer, could be one of the reason.

and 4948E do support q in q tunneling.. below is the link from cisco where you can confirm it...

and about SFP+ slots check out this compatibility matrix of SFP's versus the module, Switch & IOS


Hitesh Vinzoda

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Calin Chiorean Thu, 06/03/2010 - 03:22

Thx Hitesh for clarifying this as this was also important for me. Your info is more accurate than mine, so you have 5 points from me.



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