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single interface multiple VRF

Is it Possible to have 2 or more VRF tables existing on one single Interface Eth/Serial. If the answer is yes, how do you guys do that.

Cisco Employee

Re: single interface multiple VRF

It is certainly possible as long as you can configure the interface with logical subinterface such dot1q, frame-relay. Each subinterface would in turn fall into a specific VRF.


Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
México móvil: +52 1 55 8312 4915
Cisco México 
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Re: single interface multiple VRF

As harold pointed out, each logical interface can be a part of a different interface

It is not possible for a single interface though to be part of more than one VRF forwarding instance.

if you are just talking about route tables, you can always import the routes from another VRF which would be mean you have more than one routing table available :-)


Re: single interface multiple VRF

HI Narayan / Hritter,

Please provide me the sample end - to - end VRF Configuration with Example setup and Configuration.

I have a challenge of VRF implementation still pending in my JOB.

Pls Help....

Best Regards,

Guru Prasad R

Re: single interface multiple VRF

Attched configs might help which i did in my lab

There are no P routers invoved in this as i had very limited routers available to test but it should be good to get a idea

Anyway you should be getting plenty of these in CCO