hcip第十一天bgp实验

规划ip地址
配置ip地址

在r2 3 4 5 6 7 开启ospf
例
建立联邦
联邦64512：

AR2：
bgp 64512
router-id 172.16.0.1
confederation id 2
confederation peer-as 64513
peer 172.16.16.1 as-number 64512
peer 172.16.16.1 connect-interface LoopBack0
peer 172.16.48.1 as-number 64513
peer 172.16.48.1 ebgp-max-hop 2
peer 172.16.48.1 connect-interface LoopBack0

AR3：
bgp 64512
router-id 172.16.16.1
confederation id 2
peer 172.16.0.1 as-number 64512
peer 172.16.0.1 connect-interface LoopBack0
peer 172.16.32.1 as-number 64512
peer 172.16.32.1 connect-interface LoopBack0

AR4：
bgp 64512
router-id 172.16.32.1
confederation id 2
confederation peer-as 64513
peer 172.16.16.1 as-number 64512
peer 172.16.16.1 connect-interface LoopBack0
peer 172.16.80.1 as-number 64513
peer 172.16.80.1 ebgp-max-hop 2
peer 172.16.80.1 connect-interface LoopBack0

联邦64513：

AR5：
bgp 64513
router-id 172.16.48.1
confederation id 2
confederation peer-as 64512
peer 172.16.0.1 as-number 64512
peer 172.16.0.1 ebgp-max-hop 2
peer 172.16.0.1 connect-interface LoopBack0
peer 172.16.64.1 as-number 64513
peer 172.16.64.1 connect-interface LoopBack0

AR6：
bgp 64513
confederation id 2
peer 172.16.48.1 as-number 64513
peer 172.16.48.1 connect-interface LoopBack0
peer 172.16.80.1 as-number 64513
peer 172.16.80.1 connect-interface LoopBack0

AR7：
bgp 64513
confederation id 2
confederation peer-as 64512
peer 172.16.32.1 as-number 64512
peer 172.16.32.1 ebgp-max-hop 2
peer 172.16.32.1 connect-interface LoopBack0
peer 172.16.64.1 as-number 64513
peer 172.16.64.1 connect-interface LoopBack0

AR1：
bgp 1
router-id 10.1.1.1
peer 12.1.1.2 as-number 2

AR2：
bgp 64512
peer 12.1.1.1 as-number 1

AR7：
[r7]bgp 64513
[r7-bgp]peer 10.1.2.1 as-number 3
[r7-bgp]peer 10.1.2.1 ebgp-max-hop 2
[r7-bgp]peer 10.1.2.1 connect-interface LoopBack0

AR8：
[r8]bgp 3
[r8-bgp]router-id 10.1.2.1
[r8-bgp]peer 172.16.80.1 as-number 2
[r8-bgp]peer 172.16.80.1 connect-interface LoopBack 0
[r8-bgp]peer 172.16.80.1 ebgp-max-hop 255

宣告环回
[r1-bgp]network 10.1.1.0 255.255.255.0
[r1]ip route-static 10.1.1.0 255.255.255.0 NULL 0

AR2上修改下一跳
[r2-bgp]peer 172.16.16.1 next-hop-local

AR4由于水平分割不优，可以于AR3上配置RR反射器，将AR4指定为客户端
[r3-bgp]peer 172.16.32.1 reflect-client

AR8：
[r8-bgp]network 10.1.2.1 24
[r8]ip route-static 10.1.2.0 255.255.255.0 NULL 0

修改静态路
[r7]undo ip route-static 10.1.2.0 24 78.1.1.2
[r7]ip route-static 10.1.2.1 32 78.1.1.2

AR7上修改下一跳
[r7]bgp 64513
[r7-bgp]peer 172.16.64.1 next-hop-local

同理，于AR6上配置RR反射器,将AR5设置为客户端；
[r6]bgp 64513
[r6-bgp]peer 172.16.48.1 reflect-client

AS2中环回全部宣告

AR1和AR8上另外的环回要能互通
AR1：
[r1]interface Tunnel 0/0/0
[r1-Tunnel0/0/0]ip address 11.1.1.129 255.255.255.128
[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]ospf network-type broadcast

[r1]ip route-static 0.0.0.0 0 Tunnel 0/0/0

AR8：
[r8]interface Tunnel 0/0/0
[r8-Tunnel0/0/0]ip address 11.1.2.129 255.255.255.128
[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]ospf network-type broadcast

[r8]ip route-static 0.0.0.0 0 Tunnel 0/0/0
完成