Hi On all of my router, i have : ASR1002.BLD1#sh ip bgp 172.16.0.1 BGP routing table entry for 172.16.0.1/32, version 1184149 Paths: (2 available, best #1, table default, not advertised to EBGP peer, RIB-failure(17)) how can I do to find the problem of "RIB-failure(17)" thanks for your suggestion Regards Olivier