From: yanger yu (welcommen@hotmail.com)
Date: Mon Oct 23 2006 - 14:59:04 ART
I can not find the command set ip next-hop verify-availability 10.1.2.4
track 123
r1 is a 6509 core swith, the ios ver 12.2(18)
>From: Ivan <ivan@iip.net>
>Reply-To: Ivan <ivan@iip.net>
>To: ccielab@groupstudy.com, welcommen@hotmail.com
>Subject: Re: ip policy routing
>Date: Mon, 23 Oct 2006 21:43:53 +0400
>
>You can simple tune down EIGRP-metric for link r3-r6. (increase delay, not
>BW). BTW under normal condition all packet will flow r1-r2-r5... If r2-r5
>down EIGRP automaticaly recalculate path to r1-r3-r6.....
>
>Once you want to use route-map you need to monitor reachabitie r6 and r5.
>Try to use something like this
>! define and start the rtrs
>rtr 1
> type echo protocol ipicmpecho 10.1.1.1
>rtr schedule 1 start-time now life forever
>!
>rtr 2
> type echo protocol ipicmpecho 10.2.2.2
>rtr schedule 2 start-time now life forever
>!
>!track the rtrs
>track 123 rtr 1 reachability
>track 124 rtr 2 reachability
>!
>! enable policy routing on the incoming interface
>interface ethernet 0
> ip address 10.4.4.4 255.255.255.0
> ip policy route-map alpha
>!
>! 10.1.1.1 is via this interface
>interface ethernet 1
> ip address 10.1.1.254 255.255.255.0
>!
>! 10.2.2.2 is via this interface
>interface ethernet 2
> ip address 10.2.2.254 255.255.255.0
>!
>! define a route-map to set the next-hop depending on the state of the
>tracked
>rtrs
>route-map alpha
> set ip next-hop verify-availability 10.1.1.1 10 track 123
> set ip next-hop verify-availability 10.2.2.2 20 track 124
>
>
>On Monday 23 October 2006 20:11, welcommen@hotmail.com wrote:
> > in my lab, r1 connects to r2 e0/0 and r3 e0/0, r2 e0/1connects to r5
>e0/0
> > r3 e0/1 connects to r6 e0/0, r5 and r6 e0/1 connect to r4 e0/0
> > all of the routers use eigrp. r1 will get 2 path to reach r4. i want the
> > telnet traffic form r1 uses r2 as primary link. if r2's e0/1 (that
> > connect to r5) is down, the telnet traffic will go through r3. How can i
> > configure it?
> > i want to use ip local policy and route-map to do it. but the problem is
> > how does the r1 know the r2's e0/1 interface is down?
> >
> > _______________________________________________________________________
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>
>--
>Ivan
>
>_______________________________________________________________________
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