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New Member

MSFC IOS : "ip vrf forwarding" on a vlan interface supported ???

I've verified if it was possible to configure on

the MSFC IOS ; the command "ip vrf forwarding" on a vlan interface.

the platform is a SUP1 MSFC2 with 128MRAM.

In June 2002, I remember I was able to configure it on the MSFC, I found the config and it was with c6msfc-psv-mz.121-11b.E3.

Unfortunately this release is deffered and replaced.

I decided to load the latest Service Provider 12.1E release on the MSFC :

c6msfc2-psv-mz.121-19.E1.bin

On the Release Notes for Cisco IOS Release 12.1 E on the Catalyst 6500 and Cisco 7600 MSFC,

I found "Release 12.1E is an early deployment (ED) release based on Release 12.1. All features and functionality in Release 12.1(19) and in earlier 12.1E releases are in Release 12.1(19)E1."

I tried to configure

...

!

ip vrf Customer1

rd 21778:112

route-target export 21778:10001

route-target import 21778:10001

!

interface Vlan101

ip vrf forwarding Customer1

no ip address

shutdown

...

But the command "ip vrf forwarding Customer1" was refused :

router(config-if)#ip vrf forwarding Customer1

%This interface does not support ip vrf forwarding

I decied to downgrade to the latest 121-11b release :c6msfc2-psv-mz.121-11b.E12.bin

and the configuration was accepted.

My questions are :

Q1:The command "ip vrf forwarding" is offically removed on the releases 12.1(19)E ?

Q2:The command "ip vrf forwarding" is only supported on VLAN interface only on release 121-11b.E ?

Thank you in advance,

Stephane

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: MSFC IOS : "ip vrf forwarding" on a vlan interface supported

VRF is not supported on VLAN interfaces for sup1 or sup2 with MSFC2. The command line must have finally been removed in 12.1.19E. You may be able to configure it in earlier versions, but it is not supported.

2 REPLIES
Cisco Employee

Re: MSFC IOS : "ip vrf forwarding" on a vlan interface supported

VRF is not supported on VLAN interfaces for sup1 or sup2 with MSFC2. The command line must have finally been removed in 12.1.19E. You may be able to configure it in earlier versions, but it is not supported.

New Member

Re: MSFC IOS : "ip vrf forwarding" on a vlan interface supported

Thank you very much.

Bests Regards,

Stephane

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