Re: BGP rib failure explanation from IE Lab 2

From: san (san.study@gmail.com)
Date: Sun May 15 2005 - 12:25:16 GMT-3

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Basic Question in Real Lab Exam:

Is It ok to leave it with RIB failure, as long as universal
connectivity is reached ? Or are we supposed to use Bgp Backdoor ? or
IGP filtering Mechanism to stop being RIB failure.

/SAN

On 5/14/05, 林資源 <ernest.lin@msa.hinet.net> wrote:
> The bgp table 204.12.1.0 was learning via IBGP, and the route with better administrative distance already present in IGP.
> r>i204.12.1.0 132.1.17.7 0 100 0 400 i
>
> Ernest
>
> Long Kwok fe0:
>
> >Hi,
> >
> >I have seen the "r" or rib failure bgp table tag a few times , but am
> >clueless as to why it occurs and what it means ? From IE lab 2 in there
> >RS workbook , here is routing table from R3 , which is learning the
> >204.12.1.0 /24 network via ospf and EBGP so I would assume it would
> >choose bgp over ospf as they are same length prefix . Is rib failure
> >something that should be concern about ?
> >
> >
> >
> >Rack1R3#show ip bgp
> >
> >BGP table version is 32, local router ID is 150.1.3.3
> >
> >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
> >
> >*>i28.119.16.0/24 132.1.26.6 0 100 0 100 54 i
> >
> >*>i28.119.17.0/24 132.1.26.6 0 100 0 100 54 i
> >
> >*>i112.0.0.0 132.1.26.6 0 100 0 100 54 50
> >60 i
> >
> >*>i113.0.0.0 132.1.26.6 0 100 0 100 54 50
> >60 i
> >
> >*>i114.0.0.0 132.1.26.6 0 100 0 100 54 i
> >
> >*>i115.0.0.0 132.1.26.6 0 100 0 100 54 i
> >
> >*>i116.0.0.0 132.1.26.6 0 100 0 100 54 i
> >
> >*>i117.0.0.0 132.1.26.6 0 100 0 100 54 i
> >
> >*>i118.0.0.0 132.1.26.6 0 100 0 100 54 i
> >
> >*>i119.0.0.0 132.1.26.6 0 100 0 100 54 i
> >
> >r>i204.12.1.0 132.1.17.7 0 100 0 400 i
> >
> >*> 205.90.31.0 132.1.35.5 0 200 254 ?
> >
> >*> 220.20.3.0 132.1.35.5 0 200 254 ?
> >
> >*> 222.22.2.0 132.1.35.5 0 200 254 ?
> >
> >Rack1R3#
> >
> >Rack1R3#
> >
> >Rack1R3#
> >
> >
> >
> >
> >
> >TIA , Long
> >
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>
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