From: Jonny English (redkidneybeans@gmail.com)
Date: Thu Dec 25 2008 - 02:40:13 ARST
Can you please post the topology and your config?
On Thu, Dec 25, 2008 at 5:36 PM, BALAKRISHNAN Balaji <
Balaji.BALAKRISHNAN@swift.com> wrote:
> All,
>
> I have some difficulty In implementing bgp conditional statement. I am
> trying to announce 30.0.0.0/32 route only when 20.0.0.0/32 is not
> present in the routing table. But it does not work. I see 20.0.0.0/32
> in the routing table but still it announces the route 30.0.0.0/32. What
> is the reason for this ?? don't the route 20.0.0.0/32 consider as valid
> tracking route ?? I do have ip classless and ip subnet-zero configured.
>
>
> Her is the show command output
>
>
> DCWRSS1#sh ip route 20.0.0.0
> Routing entry for 20.0.0.0/32, 6 known subnets
>
> B 20.0.2.6 [20/0] via 192.168.176.68, 4d05h
> B 20.0.3.6 [20/0] via 192.168.176.68, 1w1d
> B 20.0.0.6 [20/0] via 192.168.176.68, 4d05h
> B 20.0.1.6 [20/0] via 192.168.176.68, 2w4d
> B 20.0.1.1 [20/0] via 192.168.176.6, 4d06h
> B 20.0.0.0 [20/0] via 192.168.176.6, 2w4d
>
> DCWRSS1#sh ip bgp nei 192.168.176.68 advertised-routes
> BGP table version is 15192187, local router ID is 192.168.183.11
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 30.0.0.0/32 0.0.0.0 0 32768 i
>
>
> DCWRSS1#sh route-map ADVERTISE_LON
> route-map ADVERTISE_LON, permit, sequence 10
> Match clauses:
> ip address (access-lists): 50
> Set clauses:
> Policy routing matches: 0 packets, 0 bytes
>
> DCWRSS1#sh route-map NON-EXIST_LON
> route-map NON-EXIST_LON, permit, sequence 10
> Match clauses:
> ip address (access-lists): 30
> Set clauses:
> Policy routing matches: 0 packets, 0 bytes
>
> DCWRSS1#sh access-lists 50
> Standard IP access list 50
> permit 30.0.0.0 (6 matches) check=70
>
> DCWRSS1#sh access-lists 30
> Standard IP access list 30
> permit 20.0.0.0
>
>
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