BGP综合部署

目的：
实现全网互通，并按要求的路线进行数据传输。

部署拓扑图：

配置文件：
R1：

sysname r1

interface GigabitEthernet0/0/0
ip address 12.1.1.1 255.255.255.0
interface LoopBack0
ip address 1.1.1.1 255.255.255.255

bgp 100
peer 2.2.2.2 as-number 100
peer 2.2.2.2 connect-interface LoopBack0

network 1.1.1.1 255.255.255.255
network 12.1.1.0 255.255.255.0
peer 2.2.2.2 enable

ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 12.1.1.0 0.0.0.255

R2:

sysname r2

interface GigabitEthernet0/0/0
ip address 12.1.1.2 255.255.255.0

interface GigabitEthernet0/0/1
ip address 28.1.1.2 255.255.255.0

interface GigabitEthernet0/0/2
ip address 23.1.1.2 255.255.255.0

interface LoopBack0
ip address 2.2.2.2 255.255.255.255

bgp 100
router-id 2.2.2.2
peer 1.1.1.1 as-number 100
peer 1.1.1.1 connect-interface LoopBack0
peer 3.3.3.3 as-number 200
peer 3.3.3.3 ebgp-max-hop 255
peer 3.3.3.3 connect-interface LoopBack0
peer 8.8.8.8 as-number 300
peer 8.8.8.8 ebgp-max-hop 255
peer 8.8.8.8 connect-interface LoopBack0

network 1.1.1.1 255.255.255.255
network 2.2.2.2 255.255.255.255
network 3.3.3.3 255.255.255.255
network 8.8.8.8 255.255.255.255
network 12.1.1.0 255.255.255.0
network 23.1.1.0 255.255.255.0
network 28.1.1.0 255.255.255.0
peer 1.1.1.1 enable
peer 1.1.1.1 next-hop-local
peer 3.3.3.3 enable
peer 8.8.8.8 enable
peer 8.8.8.8 route-policy as export

ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 2.2.2.2 0.0.0.0
network 12.1.1.0 0.0.0.255

route-policy as permit node 10
apply as-path 555 666 777 additive

ip route-static 3.3.3.3 255.255.255.255 23.1.1.3
ip route-static 8.8.8.8 255.255.255.255 28.1.1.8

R3:

sysname r3

interface GigabitEthernet0/0/0
ip address 35.1.1.3 255.255.255.0

interface GigabitEthernet0/0/1
ip address 36.1.1.3 255.255.255.0

interface GigabitEthernet0/0/2
ip address 23.1.1.3 255.255.255.0

interface GigabitEthernet0/0/3
ip address 34.1.1.3 255.255.255.0

interface LoopBack0
ip address 3.3.3.3 255.255.255.255

bgp 200
router-id 3.3.3.3
peer 2.2.2.2 as-number 100
peer 2.2.2.2 ebgp-max-hop 255
peer 2.2.2.2 connect-interface LoopBack0
peer 4.4.4.4 as-number 200
peer 4.4.4.4 connect-interface LoopBack0
peer 5.5.5.5 as-number 400
peer 5.5.5.5 ebgp-max-hop 255
peer 5.5.5.5 connect-interface LoopBack0
peer 6.6.6.6 as-number 300
peer 6.6.6.6 ebgp-max-hop 255
peer 6.6.6.6 connect-interface LoopBack0

network 2.2.2.2 255.255.255.255
network 3.3.3.3 255.255.255.255
network 4.4.4.4 255.255.255.255
network 5.5.5.5 255.255.255.255
network 6.6.6.6 255.255.255.255
network 34.1.1.0 255.255.255.0
network 35.1.1.0 255.255.255.0
network 36.1.1.0 255.255.255.0
peer 2.2.2.2 enable
peer 2.2.2.2 route-policy as export
peer 4.4.4.4 enable
peer 4.4.4.4 next-hop-local
peer 5.5.5.5 enable
peer 6.6.6.6 enable
peer 6.6.6.6 route-policy as export

ospf 1 router-id 3.3.3.3
area 0.0.0.0
network 34.1.1.0 0.0.0.255
network 3.3.3.3 0.0.0.0

route-policy as permit node 10
if-match acl 2000
apply as-path 444 555 666 additive

route-policy as permit node 20

ip route-static 2.2.2.2 255.255.255.255 23.1.1.2
ip route-static 5.5.5.5 255.255.255.255 35.1.1.5
ip route-static 6.6.6.6 255.255.255.255 36.1.1.6

R4:

sysname r4

interface GigabitEthernet0/0/0
ip address 45.1.1.4 255.255.255.0

interface GigabitEthernet0/0/1
ip address 34.1.1.4 255.255.255.0

interface LoopBack0
ip address 4.4.4.4 255.255.255.255

bgp 200
router-id 4.4.4.4
peer 3.3.3.3 as-number 200
peer 3.3.3.3 connect-interface LoopBack0
peer 5.5.5.5 as-number 400
peer 5.5.5.5 ebgp-max-hop 255
peer 5.5.5.5 connect-interface LoopBack0

network 3.3.3.3 255.255.255.255
network 4.4.4.4 255.255.255.255
network 5.5.5.5 255.255.255.255
network 34.1.1.0 255.255.255.0
network 45.1.1.0 255.255.255.0
peer 3.3.3.3 enable
peer 3.3.3.3 next-hop-local
peer 5.5.5.5 enable

ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 4.4.4.4 0.0.0.0
network 34.1.1.0 0.0.0.255

ip route-static 5.5.5.5 255.255.255.255 45.1.1.5

R5:

sysname r5

interface GigabitEthernet0/0/0
ip address 56.1.1.5 255.255.255.0

interface GigabitEthernet0/0/1
ip address 35.1.1.5 255.255.255.0

interface GigabitEthernet0/0/2
ip address 45.1.1.5 255.255.255.0

interface LoopBack0
ip address 5.5.5.5 255.255.255.255

bgp 400
router-id 5.5.5.5
peer 3.3.3.3 as-number 200
peer 3.3.3.3 ebgp-max-hop 255
peer 3.3.3.3 connect-interface LoopBack0
peer 4.4.4.4 as-number 200
peer 4.4.4.4 ebgp-max-hop 255
peer 4.4.4.4 connect-interface LoopBack0
peer 6.6.6.6 as-number 300
peer 6.6.6.6 ebgp-max-hop 255
peer 6.6.6.6 connect-interface LoopBack0

network 3.3.3.3 255.255.255.255
network 4.4.4.4 255.255.255.255
network 5.5.5.5 255.255.255.255
network 6.6.6.6 255.255.255.255
network 35.1.1.0 255.255.255.0
network 45.1.1.0 255.255.255.0
network 56.1.1.0 255.255.255.0
peer 3.3.3.3 enable
peer 4.4.4.4 enable
peer 6.6.6.6 enable

ip route-static 3.3.3.3 255.255.255.255 35.1.1.3
ip route-static 6.6.6.6 255.255.255.255 56.1.1.6

R6：

sysname r6

interface GigabitEthernet0/0/0
ip address 67.1.1.6 255.255.255.0

interface GigabitEthernet0/0/1
ip address 56.1.1.6 255.255.255.0

interface GigabitEthernet0/0/2
ip address 36.1.1.6 255.255.255.0

interface LoopBack0
ip address 6.6.6.6 255.255.255.255

bgp 300
router-id 6.6.6.6
peer 3.3.3.3 as-number 200
peer 3.3.3.3 ebgp-max-hop 255
peer 3.3.3.3 connect-interface LoopBack0
peer 5.5.5.5 as-number 400
peer 5.5.5.5 ebgp-max-hop 255
peer 5.5.5.5 connect-interface LoopBack0
peer 7.7.7.7 as-number 300
peer 7.7.7.7 connect-interface LoopBack0
peer 8.8.8.8 as-number 300
peer 8.8.8.8 connect-interface LoopBack0

network 3.3.3.3 255.255.255.255
network 5.5.5.5 255.255.255.255
network 6.6.6.6 255.255.255.255
network 7.7.7.7 255.255.255.255
network 8.8.8.8 255.255.255.255
network 36.1.1.0 255.255.255.0
network 56.1.1.0 255.255.255.0
network 67.1.1.0 255.255.255.0
peer 3.3.3.3 enable
peer 5.5.5.5 enable
peer 7.7.7.7 enable
peer 7.7.7.7 next-hop-local
peer 8.8.8.8 enable
peer 8.8.8.8 next-hop-local

ospf 1 router-id 3.3.3.3
area 0.0.0.0
network 6.6.6.6 0.0.0.0
network 67.1.1.0 0.0.0.255

ip route-static 3.3.3.3 255.255.255.255 36.1.1.3
ip route-static 5.5.5.5 255.255.255.255 56.1.1.5

R7

sysname r7

interface GigabitEthernet0/0/0
ip address 78.1.1.7 255.255.255.0

interface GigabitEthernet0/0/1
ip address 67.1.1.7 255.255.255.0

interface LoopBack0
ip address 7.7.7.7 255.255.255.255

bgp 300
router-id 7.7.7.7
peer 6.6.6.6 as-number 300
peer 6.6.6.6 connect-interface LoopBack0
peer 8.8.8.8 as-number 300
peer 8.8.8.8 connect-interface LoopBack0

network 6.6.6.6 255.255.255.255
network 7.7.7.7 255.255.255.255
network 8.8.8.8 255.255.255.255
network 67.1.1.0 255.255.255.0
network 78.0.0.0
network 78.1.1.0 255.255.255.0
peer 6.6.6.6 enable
peer 8.8.8.8 enable

ospf 1 router-id 7.7.7.7
area 0.0.0.0
network 7.7.7.7 0.0.0.0
network 67.1.1.0 0.0.0.255
network 78.1.1.0 0.0.0.255

R8

sysname r8

interface GigabitEthernet0/0/0
ip address 28.1.1.8 255.255.255.0

interface GigabitEthernet0/0/1
ip address 78.1.1.8 255.255.255.0

interface LoopBack0
ip address 8.8.8.8 255.255.255.255

bgp 300
router-id 8.8.8.8
peer 2.2.2.2 as-number 100
peer 2.2.2.2 ebgp-max-hop 255
peer 2.2.2.2 connect-interface LoopBack0
peer 6.6.6.6 as-number 300
peer 6.6.6.6 connect-interface LoopBack0
peer 7.7.7.7 as-number 300
peer 7.7.7.7 connect-interface LoopBack0

network 2.2.2.2 255.255.255.255
network 6.6.6.6 255.255.255.255
network 7.7.7.7 255.255.255.255
network 8.8.8.8 255.255.255.255
network 28.1.1.0 255.255.255.0
network 78.1.1.0 255.255.255.0
peer 2.2.2.2 enable
peer 6.6.6.6 enable
peer 6.6.6.6 next-hop-local
peer 7.7.7.7 enable
peer 7.7.7.7 next-hop-local

ospf 1 router-id 8.8.8.8
area 0.0.0.0
network 78.1.1.0 0.0.0.255
network 8.8.8.8 0.0.0.0

ip route-static 2.2.2.2 255.255.255.255 28.1.1.2