From: Sila Moni (silamoni@yahoo.com)
Date: Fri Jun 24 2005 - 18:27:02 GMT-3
Hi George,
I just joined studygroup yesterday. That's very nice
of you to share this info. I've always wondered how
it's done.
--- "George Cassels (gcassels)" <gcassels@cisco.com>
wrote:
> I was working on a lab today that had me do HSRP
> between Router 5 and
> Router 6. The task wanted it where if the loopback
> 0 address from
> Router 1 disappeared from the route table on R6, R5
> should take over as
> the active router. I did up my config and almost
> had victory disease,
> but decided I better test it. I shut the loopback
> on R1 and the HSRP
> did not fail over. I did a show stand on Router 6
> and saw where the
> object tracking had worked and decremented my
> priority by 15 like I
> wanted but R6 still showed active. Then it hit me
> you have to put the
> preempt command on both R5 and R6 (originally only
> had it on R6). R6
> needs it so if the route shows back up in the
> routing table it can take
> over as the active router, but also on R5 so if the
> route disappears
> from R6s routing table and the priority decrements
> R5 can take over.
>
> Note to self always test your configs!!!!
>
> Here are my configs
>
> Router 5
>
> interface FastEthernet0/0
> ip address 172.31.200.5 255.255.255.128
> ip ospf authentication
> ip ospf authentication-key 1 ccie
> duplex auto
> speed auto
> standby 1 ip 172.31.200.1
> standby 1 preempt
>
>
> Router 6
>
> track 1 ip route 210.1.1.1 255.255.255.255
> reachability
> !
> interface FastEthernet0/0
> ip address 172.31.200.6 255.255.255.128
> ip ospf authentication
> ip ospf authentication-key 1 ccie
> duplex half
> standby 1 ip 172.31.200.1
> standby 1 priority 110
> standby 1 preempt
> standby 1 track 1 decrement 15
>
> George
>
>
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