环回- R1-L01.1.1.1/32- R2-L02.2.2.2/32- R3-L03.3.3.3/32- R4-L04.4.4.4/32- R5-L05.5.5.5/32业务环回- R1L1192.168.0.1/24L2192.168.1.1/24- R3L1192.168.2.1/24L2192.168.3.1/24- R5L1192.168.4.1/24L2192.168.5.1/24- R2、R4 无业务环回网段R1-R2100.1.1.0/24R2-R5100.2.2.0/24R2-R3100.3.3.0/24R5-R4100.4.4.0/24R3-R4100.5.5.0/24配置R11.IP配置# LoopBack0L0interface LoopBack0ip address 1.1.1.1 255.255.255.255interface LoopBack1ip address 192.168.0.1 255.255.255.0interface LoopBack2ip address 192.168.1.1 255.255.255.0interface GigabitEthernet 0/0/0ip address 100.1.1.1 255.255.255.02.BGP AS100bgp 100router-id 1.1.1.1peer 100.1.1.2 as-number 200network 192.168.0.0 mask 255.255.255.0network 192.168.1.0 mask 255.255.255.0aggregate 192.168.0.0 mask 255.255.252.0 suppress-detailR21.IP配置LoopBack0interface LoopBack0ip address 2.2.2.2 255.255.255.255interface GigabitEthernet 0/0/0ip address 100.1.1.2 255.255.255.0interface GigabitEthernet 0/0/1ip address 100.2.2.1 255.255.255.0interface GigabitEthernet 0/0/2ip address 100.3.3.1 255.255.255.0ospf 1 router-id 2.2.2.2area 0network 2.2.2.2 0.0.0.0network 100.1.1.0 0.0.0.255network 100.2.2.0 0.0.0.255network 100.3.3.0 0.0.0.2552. BGP AS200bgp 200router-id 2.2.2.2peer 100.1.1.1 as-number 100group IBGP_CLIENT internalpeer IBGP_CLIENT connect-interface LoopBack0peer IBGP_CLIENT cluster-id 2001peer 3.3.3.3 group IBGP_CLIENTpeer 3.3.3.3 reflect-clientpeer 4.4.4.4 group IBGP_CLIENTpeer 4.4.4.4 reflect-clientpeer 5.5.5.5 group IBGP_CLIENTpeer 5.5.5.5 reflect-clientR31.IP配置LoopBack0interface LoopBack0ip address 3.3.3.3 255.255.255.255interface LoopBack1ip address 192.168.2.1 255.255.255.0interface LoopBack2ip address 192.168.3.1 255.255.255.0interface GigabitEthernet 0/0/0ip address 100.3.3.2 255.255.255.0interface GigabitEthernet 0/0/1ip address 100.5.5.1 255.255.255.02.OSPFospf 1 router-id 3.3.3.3area 0network 3.3.3.3 0.0.0.0network 100.3.3.0 0.0.0.255network 100.5.5.0 0.0.0.2553. BGPbgp 200router-id 3.3.3.3peer 2.2.2.2 as-number 200peer 2.2.2.2 connect-interface LoopBack0network 192.168.2.0 mask 255.255.255.0network 192.168.3.0 mask 255.255.255.0aggregate 192.168.2.0 mask 255.255.252.0 suppress-detailR41.IP配置LoopBack0interface LoopBack0ip address 4.4.4.4 255.255.255.255interface GigabitEthernet 0/0/0ip address 100.4.4.2 255.255.255.0interface GigabitEthernet 0/0/1ip address 100.5.5.2 255.255.255.02.OSPFospf 1 router-id 4.4.4.4area 0network 4.4.4.4 0.0.0.0network 100.4.4.0 0.0.0.255network 100.5.5.0 0.0.0.2553. BGPbgp 200router-id 4.4.4.4peer 2.2.2.2 as-number 200peer 2.2.2.2 connect-interface LoopBack0R51.IP配置LoopBack0interface LoopBack0ip address 5.5.5.5 255.255.255.255interface LoopBack1ip address 192.168.4.1 255.255.255.0interface LoopBack2ip address 192.168.5.1 255.255.255.0interface GigabitEthernet 0/0/0ip address 100.2.2.2 255.255.255.0interface GigabitEthernet 0/0/1ip address 100.4.4.1 255.255.255.02. OSPFospf 1 router-id 5.5.5.5area 0network 5.5.5.5 0.0.0.0network 100.2.2.0 0.0.0.255network 100.4.4.0 0.0.0.2553. BGPbgp 200router-id 5.5.5.5peer 2.2.2.2 as-number 200peer 2.2.2.2 connect-interface LoopBack0network 192.168.4.0 mask 255.255.255.0network 192.168.5.0 mask 255.255.255.0aggregate 192.168.4.0 mask 255.255.252.0 suppress-detail# 查看BGP邻居DIS BGP PEER BRIFE