所有的路由器在路由表中都有 192.168.5.1 和 192.168.6.1 路由。但无法从 192.168.5.1 ping 到 192.168.6.1

R5
router bgp 200
 bgp log-neighbor-changes
 network 10.0.15.0 mask 255.255.255.0
 network 192.168.5.0
 neighbor 10.0.15.2 remote-as 100

R1
router bgp 100
 bgp log-neighbor-changes
 neighbor 10.0.15.1 remote-as 200
 neighbor 192.168.3.1 remote-as 100
 neighbor 192.168.3.1 update-source Loopback0
 neighbor 192.168.3.1 next-hop-self

R3
router bgp 100
          bgp log-neighbor-changes
          neighbor test peer-group
 neighbor test remote-as 100
 neighbor test update-source Loopback0
 neighbor test route-reflector-client
 neighbor 192.168.1.1 peer-group test
 neighbor 192.168.2.1 peer-group test
 neighbor 192.168.4.1 peer-group test

R4
router bgp 100
 bgp log-neighbor-changes
 neighbor 192.168.3.1 remote-as 100
 neighbor 192.168.3.1 update-source Loopback0

R2
router bgp 100
 bgp log-neighbor-changes
 neighbor 192.168.3.1 remote-as 100
 neighbor 192.168.3.1 update-source Loopback0
 neighbor 192.168.3.1 next-hop-self
 neighbor 192.168.6.1 remote-as 300
 neighbor 192.168.6.1 ebgp-multihop 255
 neighbor 192.168.6.1 update-source Loopback0
ip route 192.168.6.0 255.255.255.0 10.0.62.2
ip route 192.168.6.0 255.255.255.0 10.0.26.2


router bgp 300
 bgp log-neighbor-changes
 network 192.168.6.0
 neighbor 192.168.2.1 remote-as 100
 neighbor 192.168.2.1 ebgp-multihop 255
 neighbor 192.168.2.1 update-source Loopback0
ip route 192.168.2.0 255.255.255.0 10.0.26.1

ip 路由 192.168.2.0 255.255.255.0 10.0.62.1