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check if any policy is rejecting 133.1.118.0/24 will be great if you could share your configuration
Bradford Hung wrote: Hi,
R7 is connected to R2 and BGP between running between them
“133.1.118.0/24″ and “133.1.119.0/24″ are both received from R2, but no idea whay ” 133.1.118.0/24″ is not selected as best path. Please help to advise what is the problem.
r7#sho ip bgp sum BGP router identifier 144.7.7.7 , local AS number 65002 BGP table version is 12, main routing table version 12 13 network entries and 13 paths using 1729 bytes of memory 7 BGP path attribute entries using 540 bytes of memory 4 BGP AS-PATH entries using 96 bytes of memory 0 BGP route-map cache entries using 0 bytes of memory 0 BGP filter-list cache entries using 0 bytes of memory 2 received paths for inbound soft reconfiguration BGP activity 323/629 prefixes, 526/513 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 133.1.27.2 4 100 69894 69402 12 0 0 00:00:14 11
r7#sho ip bgp neighbors 133.1.27.2 received-routes BGP table version is 12, local router ID is 144.7.7.7 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path *> 133.0.0.0 133.1.27.2 0 100 65004 ? *> 133.1.0.0 133.1.27.2 0 100 65001 ? *> 133.1.16.0/24 133.1.27.2 0 100 ? *> 133.1.27.0/24 133.1.27.2 200 0 100 ? *> 133.1.48.0/24 133.1.27.2 0 100 ? *> 133.1.59.0/24 133.1.27.2 0 100 ? * 133.1.118.0/24 133.1.27.2 0 100 65004 i *> 133.1.119.0/24 133.1.27.2 0 100 65005 i *> 144.6.0.0 133.1.27.2 0 100 65001 ? * 144.6.6.6/32 133.1.27.2 0 100 65001 i *> 144.8.0.0 133.1.27.2 0 100 65004 ? *> 144.9.0.0 133.1.27.2 0 100 65004 ? *> 144.11.0.0 133.1.27.2 0 100 65004 ?
Total number of prefixes 13 r7# r7# r7# r7#sho ip bgp 133.1.118.0/24 BGP routing table entry for 133.1.118.0/24, version 0 Paths: (1 available, no best path) Not advertised to any peer 100 65004, (received-only) 133.1.27.2 from 133.1.27.2 (144.2.2.2) Origin IGP, localpref 100, valid, external r7#sho ip bgp 133.1.119.0/24 BGP routing table entry for 133.1.119.0/24, version 8 Paths: (1 available, best #1, table Default-IP-Routing-Table) Not advertised to any peer 100 65005, (received & used) 133.1.27.2 from 133.1.27.2 (144.2.2.2) Origin IGP, localpref 100, valid, external, best r7#sho ip route 133.1.27.2 Routing entry for 133.1.27.0/24 Known via “connected”, distance 0, metric 0 (connected, via interface) Routing Descriptor Blocks: * directly connected, via FastEthernet0/0 Route metric is 0, traffic share count is 1
Thx