[c-nsp] HSRP on Sub-interface

Arie Vayner (avayner) avayner at cisco.com
Tue May 26 04:08:48 EDT 2009


This works perfectly.
One point to make sure - use a different group for each other group you
create. The group number is used to calculate the virtual MAC assigned
for the HSRP group, and you want the MACs to be different.


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Ziv Leyes
Sent: Tuesday, May 26, 2009 09:56
To: Cisco Nsp
Subject: [c-nsp] HSRP on Sub-interface

Hi all,
I know that theoretically it's supposed to be working but I must be sure
it does before I implement it.
I have two 7200VXR and I want to make one of the Gigabit interfaces to
receive a trunk from the switch and create two sub-interfaces line the
following example:

Current config:

interface GigabitEthernet0/1
 ip address
 ip address secondary
 standby 0 ip
 standby 0 ip secondary

New desired config:

interface GigabitEthernet0/1
 no ip address
interface GigabitEthernet0/1.100
 encapsulation dot1q 100
 ip address
 standby 0 ip
interface GigabitEthernet0/1.200
 encapsulation dot1q 200
 ip address
 standby 1 ip

So my question is: will this work for sure?

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