RSPAN and 3500XL

Unanswered Question
Jul 1st, 2009
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Is it possible to use RSPAN across an intermediate 3500XL switch?


Say, for example, I have an RSPAN source on a 3560 which is connected to a 3508G XL, which in turn is connected to a 6500 that has an RSPAN destination configured. Will this work? Will the XL even understand the creation of an RSPAN VLAN via VTP? Will it just create a normal Vlan?


I found this buried in the Cisco Unified Contact Center SRND:


The following switches do NOT support RSPAN (although they may be an intermediate switch in an RSPAN configuration): .... 3500XL...


It would seem to me that if the 3500XL treated the RSPAN VLAN as a normal VLAN then it wouldn't work because it would not know where to forward the frames it receives. Or is there some special encapsulation done on RSPAN traffic?

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Leo Laohoo Wed, 07/01/2009 - 14:54
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RSPAN is not supported on the 2900XL/3500XL.

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