Monday, November 4, 2013

sho ip bgp will give you an entry for the default route

Was trying to troubleshoot a route distribution problem and would do a sho ip bgp for a prefix. Would see the BGP entry BUT if there is a default route, it gives you the entry for the default route not the prefix you might be looking for see below. Note you see an entry but unless you notice that the entry is for 0.0.0.0/0 you think the prefix is in BGP but its really not. rdc-all-rt100> sho ip bgp 167.127.100.0 BGP routing table entry for 0.0.0.0/0, version 4693022 Paths: (5 available, best #4, table default, RIB-failure(17) - next-hop mismatch) Multipath: eBGP Advertised to update-groups: 5 10 41 47 13979 64998

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