Lab: Reliable Policy Routing

From my understanding
when you set the "set ip next-hop verify-availability" command, it
uses CDP to verify the next hop. In the lab referenced in the tittle, the
configuration is this:

 

 route-map POLICY_ROUTING
permit 20

 match ip address FROM_R6

 set ip next-hop 155.1.0.5

 set ip next-hop
verify-availability

 set ip default next-hop
155.1.13.3

 

 

If you use the set "ip next-hop verify-availability"
and try to specify a next hop IP address,

 it pretty
much makes you insert a tracked object. Is this by design? As in that's
the correct

 functionality
of that statement, you have to have a track object after you specify the next-hop ip address? And when you just set

 the
next-hop ip address and on the next line you use the " set ip next-hop
verify-availability" is will

use CDP against the "set ip next-hop
155.1.0.5" ?

 

 

I'm really sorry if my question doesn't make
sense. 

Comments

  • This is how i understand it.

    track 155.1.0.5 using cdp and if i don't have a cdp neighbor of 155.1.0.5, then use the routing table, if nothing from the routing table then use 155.1.13.3.

     route-map POLICY_ROUTING permit 20

     match ip address FROM_R6

     set ip next-hop 155.1.0.5

     set ip next-hop verify-availability

     set ip default next-hop 155.1.13.3

  • Thank you. I think I have a better understanding now. :) 

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