BGP基础实验
题目
IP地址配置
R1
R2
R3
R4
R5
AS2内全网通
R2：
ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 2.2.2.0 0.0.0.255
network 23.1.1.0 0.0.0.255
R3：
ospf 1 router-id 3.3.3.3
area 0.0.0.0
network 3.3.3.0 0.0.0.255
network 23.1.1.0 0.0.0.255
network 34.1.1.0 0.0.0.255
R4：
ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 4.4.4.0 0.0.0.255
network 34.1.1.0 0.0.0.255
宣告
R1：
#
bgp 1
router-id 1.1.1.1
peer 2.2.2.2 as-number 2
peer 2.2.2.2 ebgp-max-hop 2
peer 2.2.2.2 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 1.1.1.0 255.255.255.0
peer 2.2.2.2 enable
#
R2：
#
bgp 2
router-id 2.2.2.2
peer 1.1.1.1 as-number 1
peer 1.1.1.1 ebgp-max-hop 2
peer 1.1.1.1 connect-interface LoopBack0
peer 3.3.3.3 as-number 2
peer 3.3.3.3 connect-interface LoopBack0
peer 4.4.4.4 as-number 2
peer 4.4.4.4 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 2.2.2.0 255.255.255.0
peer 1.1.1.1 enable
peer 3.3.3.3 enable
peer 3.3.3.3 next-hop-local
peer 4.4.4.4 enable
peer 4.4.4.4 next-hop-local
#
R3：
#
bgp 2
router-id 3.3.3.3
peer 2.2.2.2 as-number 2
peer 2.2.2.2 connect-interface LoopBack0
peer 4.4.4.4 as-number 2
peer 4.4.4.4 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 3.3.3.0 255.255.255.0
peer 2.2.2.2 enable
peer 4.4.4.4 enable
#
R4：
#
bgp 2
router-id 4.4.4.4
peer 2.2.2.2 as-number 2
peer 2.2.2.2 connect-interface LoopBack0
peer 3.3.3.3 as-number 2
peer 3.3.3.3 connect-interface LoopBack0
peer 5.5.5.5 as-number 3
peer 5.5.5.5 ebgp-max-hop 2
peer 5.5.5.5 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 4.4.4.0 255.255.255.0
peer 2.2.2.2 enable
peer 2.2.2.2 next-hop-local
peer 3.3.3.3 enable
peer 3.3.3.3 next-hop-local
peer 5.5.5.5 enable
#
R5：
#
bgp 3
router-id 5.5.5.5
peer 4.4.4.4 as-number 2
peer 4.4.4.4 ebgp-max-hop 2
peer 4.4.4.4 connect-interface LoopBack0
#
ipv4-family unicast
undo synchronization
network 5.5.5.0 255.255.255.0
network 99.1.1.0 255.255.255.0
peer 4.4.4.4 enable
#
结果
