Re: Bgp help

From: Xiang Yu (xiang.seanyu@gmail.com)
Date: Sun Nov 12 2006 - 00:45:53 ART


I think you need to check if you can reach 54.10.1.254 through IGP first.
BGP won't install route in the bgp table unless it knows how to reach the
next-hop.

On 11/11/06, shank shank <shankshink@yahoo.com> wrote:
>
> hello,
> i have the following problem wiht bgp. this router is having the
> following outputs:
>
> Rack10R5(config-router)#do sh ip bgp
> BGP table version is
> 111, local router ID is 150.4.5.5
> Status codes: s suppressed, d damped, h
> history, * valid, > best, i - internal,
> r RIB-failure, S Stale
> Origin codes: i - IGP, e - EGP, ? - incomplete
> Network Next Hop
> Metric LocPrf Weight Path
> * i28.119.16.0/24 54.10.1.254 0 1500
> 0 54 50 60 i
> *>i 204.12.10.254 0 1000 0 10
> 10 10 10 10 10 10 54 i
> * i28.119.17.0/24 54.10.1.254 0 1500 0
> 54 50 60 i
> *>i 204.12.10.254 0 1000 0 10 10
> 10 10 10 10 10 54 i
> * i112.0.0.0 54.10.1.254 0 1500 0
> 54 50 60 i
> *>i 204.12.10.254 0 1000 0 10 10
> 10 10 10 10 10 54 50 60 i
> * i113.0.0.0 54.10.1.254 0 1500
> 0 54 50 60 i
> *>i 204.12.10.254 0 1000 0 10
> 10 10 10 10 10 10 54 50 60 i
> * i114.0.0.0 54.10.1.254 0
> 1500 0 54 50 60 i
> *>i 204.12.10.254 0 1000
> 0 10 10 10 10 10 10 10 54 i
> * i115.0.0.0 54.10.1.254 0 1500
> 0 54 50 60 i
> *>i 204.12.10.254 0 1000 0 10
> 10 10 10 10 10 10 54 i
> Network Next Hop Metric LocPrf
> Weight Path
> * i116.0.0.0 54.10.1.254 0 1500 0 54 50 60
> i
> *>i 204.12.10.254 0 1000 0 10 10 10 10
> 10
> 10 10 54 i
> * i117.0.0.0 54.10.1.254 0 1500 0 54 50 60
> i
> *>i 204.12.10.254 0 1000 0 10 10 10 10
> 10
> 10 10 54 i
> * i118.0.0.0 54.10.1.254 0 1500 0 54 50 60
> i
> *>i 204.12.10.254 0 1000 0 10 10 10 10
> 10
> 10 10 54 i
> * i119.0.0.0 54.10.1.254 0 1500 0 54 50 60
> i
> *>i 204.12.10.254 0 1000 0 10 10 10 10
> 10
> 10 10 54 i
> Rack10R5(config-router)#do sh ip route bgp
> B 119.0.0.0/8 [200/0]
> via 204.12.10.254, 00:01:50
> B 118.0.0.0/8 [200/0] via 204.12.10.254,
> 00:01:50
> B 117.0.0.0/8 [200/0] via 204.12.10.254, 00:01:50
> B 116.0.0.0/8
> [200/0] via 204.12.10.254, 00:01:50
> B 115.0.0.0/8 [200/0] via
> 204.12.10.254, 00:01:50
> B 114.0.0.0/8 [200/0] via 204.12.10.254, 00:01:50
> B
> 113.0.0.0/8 [200/0] via 204.12.10.254, 00:01:50
> B 112.0.0.0/8 [200/0] via
> 204.12.10.254, 00:01:50
> 28.0.0.0/24 is subnetted, 2 subnets
> B
> 28.119.17.0 [200/0] via 204.12.10.254, 00:01:50
> B 28.119.16.0 [200/0]
> via 204.12.10.254, 00:01:50
>
>
> the question is: even that we see the routes
> with higher local preference coming from 54.10.1.254 what is installed on
> the
> routing table is what coming from 204.12.10.254. anyone can answer why is
> that happening? thanks,
>
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