本篇文章为大家分享下华为路由BGP邻居的建立,主要包括三部分类容:
	BGP配置一:非直连邻居;
	BGP配置二:IBGP通过回环口建立邻居;
	BGP配置三:EBGP通过回环口建立邻居。	

基本网络配置:

R1 sysname R1 interface g0/0/0 ip address 192.168.12.1 24 interface LoopBack 0 ip address 10.10.1.1 24 quit R2 sysname R2 interface g0/0/1 ip address 192.168.12.2 24 interface g0/0/0 ip address 192.168.23.2 24 quit interface LoopBack 0 ip address 10.10.2.2 24 quit R3 sysname R3 interface g0/0/1 ip address 192.168.23.3 24 interface g0/0/0 ip address 192.168.34.3 24 quit R4 sysname R4 interface g0/0/1 ip address 192.168.34.4 24 interface g0/0/0 ip address 192.168.45.4 24 quit R5 sysname R5 interface g0/0/1 ip address 192.168.45.5 24 interface g0/0/0 ip address 192.168.56.5 24 quit interface LoopBack 0 ip address 10.10.5.5 24 quit R6 sysname R6 interface g0/0/1 ip address 192.168.56.6 24 interface LoopBack 0 ip address 10.10.6.6 24 quit

OSPF配置:

R2 ospf 1 router-id 2.2.2.2 area 0 network 192.168.23.0 0.0.0.255 network 10.10.2.0 0.0.0.255 quit quit R3 ospf 1 router-id 3.3.3.3 area 0 network 192.168.23.0 0.0.0.255 network 192.168.34.0 0.0.0.255 quit quit R4 ospf 1 router-id 4.4.4.4 area 0 network 192.168.45.0 0.0.0.255 network 192.168.34.0 0.0.0.255 quit quit R5 ospf 1 router-id 5.5.5.5 area 0 network 192.168.45.0 0.0.0.255 network 10.10.5.0 0.0.0.255 quit quit

BGP配置一:非直连邻居

R1 bgp 100 router-id 1.1.1.1 peer 192.168.12.2 as-number 200 network 10.10.1.0 255.255.255.0 quit R2 bgp 200 router-id 2.2.2.2 peer 192.168.12.1 as-number 100 peer 192.168.45.5 as-number 200 quit R5 bgp 200 router-id 5.5.5.5 peer 192.168.23.2 as-number 200 peer 192.168.56.6 as-number 600 quit R6 bgp 600 router-id 6.6.6.6 peer 192.168.56.5 as-number 200 network 10.10.6.0 255.255.255.0 quit

R2 bgp 200 peer 192.168.45.5 next-hop-local #发送路由下一跳地址改为本地 R5 bgp 200 peer 192.168.23.2 next-hop-local

BGP配置二:IBGP通过回环口建立邻居

R2-------R5 10.10.2.2 <------> 10.10.5.5 R2 bgp 200 undo peer 192.168.45.5 peer 10.10.5.5 as-number 200 peer 10.10.5.5 connect-interface LoopBack0 quit #IBGP的更新源检测机制(一个邻居上面敲即可) R5 bgp 200 undo peer 192.168.23.2 peer 10.10.2.2 as-number 200 peer 10.10.2.2 connect-interface LoopBack0 quit

BGP配置三:EBGP通过回环口建立邻居

R1------------R2 10.10.11.1 <-------> 10.10.22.2 R1 interface GigabitEthernet 0/0/2 ip address 192.168.21.1 24 interface LoopBack 12 ip address 10.10.11.1 24 quit ip route-static 10.10.22.0 255.255.255.0 192.168.12.2 ip route-static 10.10.22.0 255.255.255.0 192.168.21.2 R2 interface GigabitEthernet 0/0/2 ip address 192.168.21.2 24 interface LoopBack 12 ip address 10.10.22.2 24 quit ip route-static 10.10.11.0 255.255.255.0 192.168.12.1 ip route-static 10.10.11.0 255.255.255.0 192.168.21.1

R1 bgp 100 undo peer 192.168.12.2 peer 10.10.22.2 as-number 200 peer 10.10.22.2 connect-interface LoopBack 12 peer 10.10.22.2 ebgp-max-hop 2 #修改TTL值>1,跳过ebgp直连检测机制(两边都得敲) R2 bgp 200 undo peer 192.168.12.1 peer 10.10.11.1 as-number 100 peer 10.10.11.1 connect-interface LoopBack 12 peer 10.10.11.1 ebgp-max-hop 2