how to create layer 3 link between 6500/MSFC2 (CAT OS ) and 6500/720 (IOS)

Unanswered Question
Sep 13th, 2007

Can some one please help me or clear my confusion for creating layer 3 link between hybrid 6500 (L2/L3) and IOS 6500 (sup 720) so that I can run Eigrp routing protocol and do not have to deal with STP and HSRP.



I have this problem too.
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szahid Thu, 09/13/2007 - 11:33

On an IOS ( Native ) switch , you can simply create an L3 port.


ip address x.y.z.w

On CatOS , just pick a random unused vlan , say 999 , just for the EIGRP peering purpose.

Here are the steps you will have to follow.

1. Create that vlan --> set vlan 99

2. Put a L2 port that connects to the IOS switch in that vlan. set vlan 999 m/p

Make sure that is the only port in the switch that carries that vlan.

3. Go to the MSFC and create SVI 999.

int vlan 999

ip address

Now you are ready to peer this vlan 999 with the L3 port on an IOS switch over EIGRP.




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