第9天作业 BGP

----------------------本文在华为模拟器实验，仅供学习-------------------------------------------

 

实验图

思路：
1、配环回和基本地址
2、配IGP,R2-R7路由之间启动OSPF协议
3、R1-R8路由全部启动BGP
4、R3或R6做反射器，反射给R4和R7
5、R1与R8建立VPN,实现192.168.1.1与192.通

技巧：dis ospf peer brief   #查看OSPF邻居关系
dis bgp peer  #查看BGP邻居关系

实验步骤如下：
-----------------------------------
R1
#BGP建邻
[r1]bgp 1
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.1.1.2 as-number 2  

[r1]bgp 1
[r1-bgp]network 10.1.1.0 24
R1与R8建立VPN
[r1]int tunnel 0/0/0
[r1-Tunnel0/0/0]ip add 10.1.3.1 24
[r1-Tunnel0/0/0]tunnel-protocol gre
[r1-Tunnel0/0/0]source 10.1.1.1
[r1-Tunnel0/0/0]destination 10.1.2.1
[r1-Tunnel0/0/0]q
[r1]ip route-static 192.168.2.0 24 10.1.3.2

R2
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255

#BGP建邻
r2]bgp 64512
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 2
[r2-bgp]confederation peer-as 64513
[r2-bgp]peer 12.1.1.1 as-number 1
[r2-bgp]peer 172.16.3.1 as-number 64512
[r2-bgp]peer 172.16.3.1 connect-interface loopback 0
[r2-bgp]peer 172.16.5.1 as-number 64513
[r2-bgp]peer 172.16.5.1 connect-interface loopback 0
[r2-bgp]peer 172.16.5.1 ebgp-max-hop

[r2]bgp 64512
[r2-bgp]peer 172.16.3.1 next-hop-local
[r2-bgp]peer 172.16.5.1 next-hop-local

[r2]ip route-static 172.16.0.0 21 null 0
[r2]bgp 64512
[r2-bgp]network 172.16.0.0 21

R3
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r3-ospf-1-area-0.0.0.0]
#BGP建邻
[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 2
[r3-bgp]peer 172.16.2.1 as-number 64512
[r3-bgp]peer 172.16.2.1 connect-interface loopback 0
[r3-bgp]peer 172.16.4.1 as-number 64512
[r3-bgp]peer 172.16.4.1 connect-interface loopback 0
#R3做反射器，反射给R4
[r3-bgp]peer 172.16.4.1 reflect-client

R4
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]area 0
[r4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
#BGP建邻
r4]bgp 64512
[r4-bgp]router-id 4.4.4.4
[r4-bgp]confederation id 2
[r4-bgp]confederation peer-as 64513
[r4-bgp]peer 172.16.3.1 as-number 64512
[r4-bgp]peer 172.16.3.1 connect-interface loopback 0
[r4-bgp]peer 172.16.7.1 as-number 64513
[r4-bgp]peer 172.16.7.1 connect-interface loopback 0
[r4-bgp]peer 172.16.7.1 ebgp-max-hop

R5
[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]area 0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
#BGP建邻
[r5]bgp 64513
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 2
[r5-bgp]confederation peer-as 64512
[r5-bgp]peer 172.16.2.1 as-number 64512
[r5-bgp]peer 172.16.2.1 connect-interface loopback 0
[r5-bgp]peer 172.16.2.1 ebgp-max-hop
[r5-bgp]peer 172.16.6.1 as-number 64513
[r5-bgp]peer 172.16.6.1 connect-interface loopback 0
[r5-bgp]

R6
[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
#BGP建邻
[r6]bgp 64513
[r6-bgp]confederation id 2
[r6-bgp]peer 172.16.5.1 as-number 64513
[r6-bgp]peer 172.16.5.1 connect-interface loopback 0
[r6-bgp]peer 172.16.7.1 as-number 64513
[r6-bgp]peer 172.16.7.1 connect-interface loopback 0
#R6做反射器
[r6-bgp]peer 172.16.5.1 reflect-client 

R7
[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
#BGP建邻
[r7]bgp 64513
[r7-bgp]confederation id 2
[r7-bgp]confederation peer-as 64512
[r7-bgp]peer 172.16.6.1 as-number 64513
[r7-bgp]peer 172.16.6.1 connect-interface loopback 0
[r7-bgp]peer 172.16.4.1 as-number 64512
[r7-bgp]peer 172.16.4.1 connect-interface loopback 0
[r7-bgp]peer 172.16.4.1 ebgp-max-hop
[r7-bgp]peer 78.1.1.2 as-number 3
#改下一跳
[r7-bgp]peer 172.16.4.1 next-hop-local
[r7-bgp]peer 172.16.6.1 next-hop-local

[r7]ip route-static 172.16.0.0 21 null 0
[r7]bgp 64513
[r7-bgp]network 172.16.0.0 21

R8
#BGP建邻
[r8]bgp 3
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 78.1.1.1 as-number 2

[r8-bgp]network 10.1.2.0 24
R1与R8建立VPN
[r8]int tunnel 0/0/0
[r8-Tunnel0/0/0]ip add 10.1.3.2 24
[r8-Tunnel0/0/0]tunnel-protocol gre
[r8-Tunnel0/0/0]source 10.1.2.1
[r8-Tunnel0/0/0]destination 10.1.1.1
[r8-Tunnel0/0/0]q
[r8]ip route-static 192.168.1.0 24 10.1.3.1