本次列举的实验为补考题，主要考核的点
1、基础ip配置
2、ospf及静态路由配置
3、IBGP-EBGP的基础配置
4、BGP传递路由的基础知识，I给I，E给I的下一跳是否发生变化
需求：
1、AR1\AR9\AR10通过缺省路由访问
2、AR3\AR6\AR8通过静态路由访问AR1\AR9\AR10身后的网络
3、BGP100和BGP200内部使用ospf建立
4、两个AS建立EBGP传递路由
5、最终实现pc1成功访问服务器1和2
配置
AR1
sysname AR1
interface GigabitEthernet0/0/0
ip address 101.1.1.254 255.255.255.0
interface GigabitEthernet0/0/1
ip address 13.1.102.1 255.255.255.0
ip route-static 0.0.0.0 0.0.0.0 13.1.102.3
AR2
sysname AR2
interface GigabitEthernet0/0/0
ip address 32.1.102.2 255.255.255.0
interface GigabitEthernet0/0/1
ip address 25.1.102.2 255.255.255.0
interface LoopBack0
ip address 2.2.2.2 255.255.255.255
bgp 100
peer 3.3.3.3 as-number 100
peer 3.3.3.3 connect-interface LoopBack0
peer 25.1.102.5 as-number 200
ipv4-family unicast
undo synchronization
peer 3.3.3.3 enable
peer 3.3.3.3 next-hop-local
peer 25.1.102.5 enable
ospf 2515 router-id 2.2.2.2
area 0.0.0.0
network 2.2.2.2 0.0.0.0
network 32.1.102.0 0.0.0.255
AR3
sysname AR3
interface GigabitEthernet0/0/0
ip address 13.1.102.3 255.255.255.0
interface GigabitEthernet0/0/1
ip address 32.1.102.3 255.255.255.0
interface GigabitEthernet0/0/2
ip address 34.1.102.3 255.255.255.0
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
bgp 100
peer 2.2.2.2 as-number 100
peer 2.2.2.2 connect-interface LoopBack0
peer 4.4.4.4 as-number 100
peer 4.4.4.4 connect-interface LoopBack0
ipv4-family unicast
undo synchronization
import-route static
import-route ospf 2515
peer 2.2.2.2 enable
peer 4.4.4.4 enable
ospf 2515 router-id 3.3.3.3
area 0.0.0.0
network 3.3.3.3 0.0.0.0
network 13.1.102.0 0.0.0.255
network 32.1.102.0 0.0.0.255
network 34.1.102.0 0.0.0.255
ip route-static 101.1.1.0 255.255.255.0 13.1.102.1
AR4
sysname AR4
interface GigabitEthernet0/0/0
ip address 34.1.102.4 255.255.255.0
interface GigabitEthernet0/0/1
ip address 47.1.102.4 255.255.255.0
interface LoopBack0
ip address 4.4.4.4 255.255.255.255
bgp 100
peer 3.3.3.3 as-number 100
peer 3.3.3.3 connect-interface LoopBack0
peer 47.1.102.7 as-number 200
ipv4-family unicast
undo synchronization
peer 3.3.3.3 enable
peer 3.3.3.3 next-hop-local
peer 47.1.102.7 enable
ospf 2515 router-id 4.4.4.4
area 0.0.0.0
network 4.4.4.4 0.0.0.0
network 34.1.102.0 0.0.0.255
AR5
sysname AR5
interface GigabitEthernet0/0/0
ip address 25.1.102.5 255.255.255.0
interface GigabitEthernet0/0/1
ip address 57.1.102.5 255.255.255.0
interface GigabitEthernet0/0/2
ip address 56.1.102.5 255.255.255.0
interface LoopBack0
ip address 5.5.5.5 255.255.255.255
bgp 200
peer 6.6.6.6 as-number 200
peer 6.6.6.6 connect-interface LoopBack0
peer 7.7.7.7 as-number 200
peer 7.7.7.7 connect-interface LoopBack0
peer 25.1.102.2 as-number 100
ipv4-family unicast
undo synchronization
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
peer 25.1.102.2 enable
ospf 3518 router-id 5.5.5.5
area 0.0.0.0
network 5.5.5.5 0.0.0.0
network 56.1.102.0 0.0.0.255
network 57.1.102.0 0.0.0.255
AR6
sysname AR6
interface GigabitEthernet0/0/0
ip address 56.1.102.6 255.255.255.0
interface GigabitEthernet0/0/1
ip address 68.1.102.6 255.255.255.0
interface GigabitEthernet0/0/2
ip address 69.1.102.6 255.255.255.0
interface LoopBack0
ip address 6.6.6.6 255.255.255.255
bgp 200
peer 5.5.5.5 as-number 200
peer 5.5.5.5 connect-interface LoopBack0
peer 8.8.8.8 as-number 200
peer 8.8.8.8 connect-interface LoopBack0
ipv4-family unicast
undo synchronization
import-route static
import-route ospf 3518
peer 5.5.5.5 enable
peer 8.8.8.8 enable
ospf 3518 router-id 6.6.6.6
area 0.0.0.0
network 6.6.6.6 0.0.0.0
network 56.1.102.0 0.0.0.255
network 68.1.102.0 0.0.0.255
network 69.1.102.0 0.0.0.255
ip route-static 109.1.1.0 255.255.255.0 69.1.102.9
AR7
sysname AR7
interface GigabitEthernet0/0/0
ip address 47.1.102.7 255.255.255.0
interface GigabitEthernet0/0/1
ip address 57.1.102.7 255.255.255.0
interface GigabitEthernet0/0/2
ip address 78.1.102.7 255.255.255.0
interface LoopBack0
ip address 7.7.7.7 255.255.255.255
bgp 200
peer 5.5.5.5 as-number 200
peer 5.5.5.5 connect-interface LoopBack0
peer 8.8.8.8 as-number 200
peer 8.8.8.8 connect-interface LoopBack0
peer 47.1.102.4 as-number 100
ipv4-family unicast
undo synchronization
peer 5.5.5.5 enable
peer 5.5.5.5 next-hop-local
peer 8.8.8.8 enable
peer 8.8.8.8 next-hop-local
peer 47.1.102.4 enable
ospf 3518 router-id 7.7.7.7
area 0.0.0.0
network 7.7.7.7 0.0.0.0
network 57.1.102.0 0.0.0.255
network 78.1.102.0 0.0.0.255
AR8
sysname AR8
interface GigabitEthernet0/0/0
ip address 78.1.102.8 255.255.255.0
interface GigabitEthernet0/0/1
ip address 68.1.102.8 255.255.255.0
interface GigabitEthernet0/0/2
ip address 80.1.102.8 255.255.255.0
interface LoopBack0
ip address 8.8.8.8 255.255.255.255
bgp 200
peer 6.6.6.6 as-number 200
peer 6.6.6.6 connect-interface LoopBack0
peer 7.7.7.7 as-number 200
peer 7.7.7.7 connect-interface LoopBack0
ipv4-family unicast
undo synchronization
import-route static
import-route ospf 3518
peer 6.6.6.6 enable
peer 7.7.7.7 enable
ospf 3518 router-id 8.8.8.8
area 0.0.0.0
network 8.8.8.8 0.0.0.0
network 68.1.102.0 0.0.0.255
network 78.1.102.0 0.0.0.255
network 80.1.102.0 0.0.0.255
ip route-static 108.1.1.0 255.255.255.0 80.1.102.10
AR9
sysname AR9
interface GigabitEthernet0/0/0
ip address 69.1.102.9 255.255.255.0
interface GigabitEthernet0/0/1
ip address 109.1.1.254 255.255.255.0
ip route-static 0.0.0.0 0.0.0.0 69.1.102.6
AR10
sysname AR10
interface GigabitEthernet0/0/0
ip address 80.1.102.10 255.255.255.0
interface GigabitEthernet0/0/1
ip address 108.1.1.254 255.255.255.0
ip route-static 0.0.0.0 0.0.0.0 80.1.102.8
验证
日常ARP丢包，正常现象