华为路由器BGP邻居详解

概述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 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

R1bgp 100undo peer 192.168.12.2peer 10.10.22.2 as-number 200peer 10.10.22.2 connect-interface LoopBack 12peer 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）R2bgp 200undo peer 192.168.12.1peer 10.10.11.1 as-number 100peer 10.10.11.1 connect-interface LoopBack 12peer 10.10.11.1 ebgp-max-hop 2

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