As the title states. for some reason, the route reflector is not working. here are the logical diagram
(AS54)BB3--------AS100------>R4-------AS100------>R1-------AS100------>R3
(AS54)BB3<--------AS54------R4<-------AS100------R1<-------AS100------R3
here are the relative outputs.
R4#show ip bg
BGP table version is 3, local router ID is 150.1.4.4
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
*> 28.119.16.0/24 204.12.1.254 0 0 54 i
*> 28.119.17.0/24 204.12.1.254 0 0 54 i
R4#show ip bgp summary
BGP router identifier 150.1.4.4, local AS number 100
BGP table version is 3, main routing table version 3
2 network entries using 240 bytes of memory
2 path entries using 104 bytes of memory
2/1 BGP path/bestpath attribute entries using 248 bytes of memory
1 BGP AS-PATH entries using 24 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
Bitfield cache entries: current 1 (at peak 2) using 32 bytes of memory
BGP using 648 total bytes of memory
BGP activity 2/0 prefixes, 2/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
155.1.146.1 4 100 41 43 3 0 0 00:16:26 0
204.12.1.254 4 54 24 23 3 0 0 00:19:55 2
R4#show ip bgp update-group
BGP version 4 update-group 1, internal, Address Family: IPv4 Unicast
BGP Update version : 3/0, messages 0
Update messages formatted 2, replicated 0
Number of NLRIs in the update sent: max 2, min 2
Minimum time between advertisement runs is 0 seconds
Has 1 member (* indicates the members currently being sent updates):
155.1.146.1
BGP version 4 update-group 2, external, Address Family: IPv4 Unicast
BGP Update version : 3/0, messages 0
Update messages formatted 0, replicated 0
Number of NLRIs in the update sent: max 0, min 0
Minimum time between advertisement runs is 30 seconds
Has 1 member (* indicates the members currently being sent updates):
204.12.1.254
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R1#show ip bgp summary
BGP router identifier 150.1.1.1, local AS number 100
BGP table version is 1, main routing table version 1
2 network entries using 240 bytes of memory
2 path entries using 104 bytes of memory
2/0 BGP path/bestpath attribute entries using 248 bytes of memory
1 BGP AS-PATH entries using 24 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
BGP using 616 total bytes of memory
BGP activity 2/0 prefixes, 4/2 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
155.1.13.3 4 100 56 55 1 0 0 00:01:22 0
155.1.146.4 4 100 27 25 1 0 0 00:00:12 2
R1#show ip bgp update-group
BGP version 4 update-group 2, internal, Address Family: IPv4 Unicast
BGP Update version : 1/0, messages 0
Route-Reflector Client
Update messages formatted 0, replicated 0
Number of NLRIs in the update sent: max 0, min 0
Minimum time between advertisement runs is 0 seconds
Has 2 members (* indicates the members currently being sent updates):
155.1.13.3 155.1.146.4
R1#show ip bgp summary
BGP router identifier 150.1.1.1, local AS number 100
BGP table version is 1, main routing table version 1
2 network entries using 240 bytes of memory
2 path entries using 104 bytes of memory
2/0 BGP path/bestpath attribute entries using 248 bytes of memory
1 BGP AS-PATH entries using 24 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
BGP using 616 total bytes of memory
BGP activity 2/0 prefixes, 4/2 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
155.1.13.3 4 100 73 72 1 0 0 00:18:34 0
155.1.146.4 4 100 44 42 1 0 0 00:17:24 2
R1#show ip bgp
BGP table version is 1, local router ID is 150.1.1.1
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
* i28.119.16.0/24 204.12.1.254 0 100 0 54 i
* i28.119.17.0/24 204.12.1.254 0 100 0 54 i
R1#show ip bgp update-group
BGP version 4 update-group 1, internal, Address Family: IPv4 Unicast
BGP Update version : 1/0, messages 0
Update messages formatted 0, replicated 0
Number of NLRIs in the update sent: max 0, min 0
Minimum time between advertisement runs is 0 seconds
Has 1 member (* indicates the members currently being sent updates):
155.1.146.4
BGP version 4 update-group 2, internal, Address Family: IPv4 Unicast
BGP Update version : 1/0, messages 0
Route-Reflector Client
Update messages formatted 0, replicated 0
Number of NLRIs in the update sent: max 0, min 0
Minimum time between advertisement runs is 0 seconds
Has 1 member (* indicates the members currently being sent updates):
155.1.13.3
R1#
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R3#show ip bg summary
BGP router identifier 150.1.3.3, local AS number 100
BGP table version is 1, main routing table version 1
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
155.1.13.1 4 100 73 74 1 0 0 00:19:56 0
R3#show ip bgp update-group
BGP version 4 update-group 1, internal, Address Family: IPv4 Unicast
BGP Update version : 1/0, messages 0
Update messages formatted 0, replicated 0
Number of NLRIs in the update sent: max 0, min 0
Minimum time between advertisement runs is 0 seconds
Has 1 member (* indicates the members currently being sent updates):
155.1.13.1
R3#show ip bgp
R3#
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here are the respective show runs
1R4#show run | sec router
router bgp 100
no synchronization
bgp log-neighbor-changes
neighbor 155.1.146.1 remote-as 100
neighbor 204.12.1.254 remote-as 54
no auto-summary
R1#show run | sec router
router bgp 100
no synchronization
bgp log-neighbor-changes
network 155.1.146.4
neighbor 155.1.13.3 remote-as 100
neighbor 155.1.13.3 route-reflector-client
neighbor 155.1.146.4 remote-as 100
no auto-summary
R3#show run | sec router
router bgp 100
no synchronization
bgp log-neighbor-changes
neighbor 155.1.13.1 remote-as 100
no auto-summary
