RIB-failure means the prefix is not injected into the RIB from BGP, usually because a prefix from a protocol with a preferred admin distance already has inserted a route into the RIB.

show ip route x.x.x.x will tell you which protocol the prefix is injected from (known via), such as ospf, and ibgp will not
override ospf, thus rib-failure


On 2/25/2015 10:17 AM, Olivier CALVANO wrote:
Hi

i see in my network in sh ip bgp xxx:

BGP routing table entry for xx.xx.xx.xx/30, version 534149
Paths: (2 available, best #1, table default, not advertised to EBGP peer,
RIB-failure(17))
   Not advertised to any peer
   Local


on 3x /30, on the same router, i have: "RIB-failure(17)"

and in logs:  %IPRT-3-RIB_LOOP: Resolution loop formed by routes in RIB
(it's a cisco 7201)

Anyone know what is this failure ?

regards
Olivier.
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