Native Catalyst 6500 with SUP 720.

Unanswered Question
Giuseppe Larosa Mon, 04/26/2010 - 06:17

Hello Andrea,

VRF is an OSI layer 3 concept and private Vlans are an OSI layer2 concept so I don't see why they couldn't be combined if desired.

But of course implementation choices may lead to a different result.

the only requirement is that you cannot configure SVI for secondary vlans

From a practical point of view you should be able to implement multiple VRFs instead of one VRF + private vlans with no problems of scalability.

Also DAI, DHCP snooping may be an alternative to private vlans.


Hope to help



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