Information Technology Reference
In-Depth Information
When all the routing information is correctly received, R2 can be put back in the forwarding
paths. Example 8-101 shows the BGP summary table on R2. As expected, sessions with R1
and R3 are not up.
Example 8-101
BGP Summary Table on R2
R2#show ip bgp summary
BGP router identifier 192.168.100.2, local AS number 100
BGP table version is 1, main routing table version 1
4 network entries and 8 paths using 788 bytes of memory
3 BGP path attribute entries using 180 bytes of memory
4 BGP rrinfo entries using 96 bytes of memory
2 BGP AS-PATH entries using 48 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 activity 4/8 prefixes, 8/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
192.168.100.1 4 100 7 7 0 0 0 never Idle
192.168.100.3 4 100 7 7 0 0 0 never Idle
192.168.100.4 4 100 9 4 0 0 0 00:01:52 4
192.168.100.5 4 100 9 4 0 0 0 00:01:02 4
Figure 8-20 shows the current network topology.
Figure 8-20
Current Network Topology
AS 200
R8
172.16.0.0/16
AS 100
R1
R4
R6
RR
AS 65000
Client
192.168.200.0/24
192.168.201.0/24
192.168.202.0/24
R3
Client
RR
RR
R2
R5
R7
Confederation 100
