配置IP地址
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 172.16.33.1 24
[R1-GigabitEthernet0/0/0]int lo0
[R1-LoopBack0]ip add 172.16.34.1 24
[R1-LoopBack0]
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 172.16.33.2 24
[R2-GigabitEthernet0/0/0]int lo0
[R2-LoopBack0]ip add 172.16.35.2 24
[R2-LoopBack0]
[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 172.16.33.3 24
[R3-GigabitEthernet0/0/0]int lo0
[R3-LoopBack0]ip add 172.16.36.3 24
[R3-LoopBack0]int se4/0/0
[R3-Serial4/0/0]ip add 34.0.0.3 24
[R3-Serial4/0/0]
[R4]int se4/0/0
[R4-Serial4/0/0]ip add 34.0.0.4 24
[R4-Serial4/0/0]int se4/0/1
[R4-Serial4/0/1]ip add 45.0.0.4 24
[R4-Serial4/0/1]int se3/0/0
[R4-Serial3/0/0]ip add 46.0.0.4 24
[R4-Serial3/0/0]int g0/0/0
[R4-GigabitEthernet0/0/0]ip add 47.0.0.4 24
[R4-GigabitEthernet0/0/0]int lo0
[R4-LoopBack0]ip add 172.16.2.4 24
[R4-LoopBack0]
[R5]int ser4/0/0
[R5-Serial4/0/0]ip add 45.0.0.5 24
[R5-Serial4/0/0]int lo0
[R5-LoopBack0]
[R5-LoopBack0]ip add 172.16.3.5 24
[R5-LoopBack0]
[R6]int se4/0/0
[R6-Serial4/0/0]ip add 46.0.0.6 24
[R6-Serial4/0/0]int g0/0/0
[R6-GigabitEthernet0/0/0]int lo0
[R6-LoopBack0]ip add 172.16.4.6 24
[R6-LoopBack0]int g0/0/0
[R6-GigabitEthernet0/0/0]ip add 172.16.65.1 30
[R7]int g0/0/0
[R7-GigabitEthernet0/0/0]ip add 47.0.0.7 24
[R7-GigabitEthernet0/0/0]int lo0
[R7-LoopBack0]ip add 172.16.5.7 24
[R7-LoopBack0]int g0/0/1
[R7-GigabitEthernet0/0/1]ip add 172.16.97.1 30
[R8]int g0/0/0
[R8-GigabitEthernet0/0/0]ip add 172.16.97.2 30
[R8-GigabitEthernet0/0/0]int g0/0/1
[R8-GigabitEthernet0/0/1]ip add 172.16.97.5 30
[R8-GigabitEthernet0/0/1]int lo0
[R8-LoopBack0]ip add 172.16.98.8 24
[R8-LoopBack0]
[R9]int g0/0/0
[R9-GigabitEthernet0/0/0]ip add 172.16.97.6 30
[R9-GigabitEthernet0/0/0]int g0/0/1
[R9-GigabitEthernet0/0/1]ip add 172.16.129.1 30
[R9-GigabitEthernet0/0/1]int lo0
[R9-LoopBack0]ip add 172.16.130.9 24
[R9-LoopBack0]
[R10]int g0/0/0
[R10-GigabitEthernet0/0/0]ip add 172.16.129.2 30
[R10-GigabitEthernet0/0/0]int lo0
[R10-LoopBack0]ip add 172.16.131.10 24
[R10-LoopBack0]
[R11]int g0/0/0
[R11-GigabitEthernet0/0/0]ip add 172.16.65.2 30
[R11-GigabitEthernet0/0/0]int g0/0/1
[R11-GigabitEthernet0/0/1]ip add 172.16.65.5 30
[R11-GigabitEthernet0/0/1]int lo0
[R11-LoopBack0]ip add 172.16.66.11 24
[R11-LoopBack0]
[R12]int g0/0/0
[R12-GigabitEthernet0/0/0]ip add 172.16.65.6 30
[R12-GigabitEthernet0/0/0]int lo0
[R12-LoopBack0]ip add 172.16.160.12 24
[R12-LoopBack0]int lo1
[R12-LoopBack1]ip add 172.16.161.12 24
[R12-LoopBack1]
配公网通
[R3]ip rou 0.0.0.0 0 34.0.0.4
[R3]
[R5]ip rou 0.0.0.0 0 45.0.0.4
[R5]
[R6]ip rou 0.0.0.0 0 46.0.0.4
[R6]
[R7]ip rou 0.0.0.0 0 47.0.0.4
[R7]
配私网通
使各个区域内相通
[R1]ospf 1 rou 1.1.1.1
[R1-ospf-1]area 1
[R1-ospf-1-area-0.0.0.1]net 172.16.0.0 0.0.255.255
[R1-ospf-1-area-0.0.0.1]
[R2]ospf 1 rou 2.2.2.2
[R2-ospf-1]a 1
[R2-ospf-1-area-0.0.0.1]net 172.16.0.0 0.0.255.255
[R2-ospf-1-area-0.0.0.1]
[R3]os 1 rou 3.3.3.3
[R3-ospf-1]a 1
[R3-ospf-1-area-0.0.0.1]net 172.16.33.0 0.0.0.255
[R3-ospf-1-area-0.0.0.1]net 172.16.36.0 0.0.0.255
[R3-ospf-1-area-0.0.0.1]
[R5]o 1 rou 5.5.5.5
[R5-ospf-1-area-0.0.0.1]a 0
[R5-ospf-1-area-0.0.0.0]net 172.16.3.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]
[R6]o 1 rou 6.6.6.6
[R6-ospf-1]a 0
[R6-ospf-1-area-0.0.0.0]net 172.16.4.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]a 2
[R6-ospf-1-area-0.0.0.2]net 172.16.65.1 0.0.0.0
[R6-ospf-1-area-0.0.0.2]
[R7]o 1 rou 7.7.7.7
[R7-ospf-1]a 0
[R7-ospf-1-area-0.0.0.0]net 172.16.5.0 0.0.0.255
[R7-ospf-1-area-0.0.0.0]
[R7]ospf 1
[R7-ospf-1]a 3
[R7-ospf-1-area-0.0.0.3]net 172.16.97.1 0.0.0.0
[R8]os 1 rou 8.8.8.8
[R8-ospf-1]a 3
[R8-ospf-1-area-0.0.0.3]net 172.16.97.2 0.0.0.0
[R8-ospf-1-area-0.0.0.3]net 172.16.97.5 0.0.0.0
[R8-ospf-1-area-0.0.0.3]net 172.16.98.0 0.0.0.255
[R9]osp 1 rou 9.9.9.9
[R9-ospf-1]a 3
[R9-ospf-1-area-0.0.0.3]net 172.16.97.6 0.0.0.0
[R9]ospf 2
[R9-ospf-2]ospf 2 rou 9.9.9.9
[R9-ospf-2]a 4
[R9-ospf-2-area-0.0.0.4]net 172.16.129.1 0.0.0.0
[R9-ospf-2-area-0.0.0.4]net 172.16.130.0 0.0.0.255
[R9-ospf-2-area-0.0.0.4]
[R10]ospf 2 rou 10.10.10.10
[R10-ospf-2]a 4
[R10-ospf-2-area-0.0.0.4]net 172.16.129.2 0.0.0.0
[R10-ospf-2-area-0.0.0.4]net 172.16.131.0 0.0.0.255
[R11]ospf 1 rou 11.11.11.11
[R11-ospf-1]a 2
[R11-ospf-1-area-0.0.0.2]net 172.16.65.2 0.0.0.0
[R11-ospf-1-area-0.0.0.2]net 172.16.65.5 0.0.0.0
[R11-ospf-1-area-0.0.0.2]net 172.16.66.11 0.0.0.0
[R11-ospf-1-area-0.0.0.2]
[R12]o 1 rou 12.12.12.12
[R12-ospf-1]a 2
[R12-ospf-1-area-0.0.0.2]net 172.16.65.6 0.0.0.0
[R12-ospf-1-area-0.0.0.2]
[R12]rip 1
[R12-rip-1]v 2
[R12-rip-1]undo sum
[R12-rip-1]net 172.16.0.0
[R12-rip-1]q
[R12]ospf 1
[R12-ospf-1]im rip--------路由引入
[R12-ospf-1]
R3-R5、R6、R7为MGRE环境，R3为中心站点(使每个区域互通)
[R3]int tun 0/0/0
[R3-Tunnel0/0/0]ip add 172.16.6.3 24
[R3-Tunnel0/0/0]tu gre p2mp
[R3-Tunnel0/0/0]sou s4/0/0
[R3-Tunnel0/0/0]nhrp net 100
[R3-Tunnel0/0/0]nhrp en mu dy
[R3-Tunnel0/0/0]
[R5]int tun 0/0/0
[R5-Tunnel0/0/0]ip add 172.16.6.5 24
[R5-Tunnel0/0/0]tun gre p2mp
[R5-Tunnel0/0/0]sou se4/0/0
[R5-Tunnel0/0/0]nhrp net 100
[R5-Tunnel0/0/0]nh en 172.16.6.3 34.0.0.3 re
[R5-Tunnel0/0/0]
[R6]int tu0/0/0
[R6-Tunnel0/0/0]ip add 172.16.6.6 24
[R6-Tunnel0/0/0]tun gre p2mp
[R6-Tunnel0/0/0]sou s4/0/0
[R6-Tunnel0/0/0]nh net 100
[R6-Tunnel0/0/0]nh en 172.16.6.3 34.0.0.3 re
[R6-Tunnel0/0/0]
[R7]int tu0/0/0
[R7-Tunnel0/0/0]ip add 172.16.6.7 24
[R7-Tunnel0/0/0]tun gre p2mp
[R7-Tunnel0/0/0]sou g0/0/0
[R7-Tunnel0/0/0]nh net 100
[R7-Tunnel0/0/0]nh en 172.16.6.3 34.0.0.3 re
[R7-Tunnel0/0/0]
启动ospf协议
[R3]ospf 1
[R3-ospf-1]a 0
[R3-ospf-1-area-0.0.0.0]net 172.16.6.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]
[R5]ospf 1
[R5-ospf-1]a 0
[R5-ospf-1-area-0.0.0.0]net 172.16.6.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]
[R6]ospf 1
[R6-ospf-1]a 0
[R6-ospf-1-area-0.0.0.0]net 172.16.6.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]
[R7]ospf 1
[R7-ospf-1]a 0
[R7-ospf-1-area-0.0.0.0]net 172.16.6.0 0.0.0.255
[R7-ospf-1-area-0.0.0.0]
解决建邻问题
[R3]int t0/0/0
[R3-Tunnel0/0/0]ospf network-type broadcast
[R5]int t0/0/0
[R5-Tunnel0/0/0]ospf network-type broadcast
[R6]int t0/0/0
[R6-Tunnel0/0/0]ospf network-type broadcast
[R7]int t0/0/0
[R7-Tunnel0/0/0]ospf network-type broadcast
[R5]int t0/0/0]
[R5-Tunnel0/0/0]ospf dr-priority 0
[R5-Tunnel0/0/0]
[R6]int t0/0/0
[R6-Tunnel0/0/0]ospf dr-p 0
[R6-Tunnel0/0/0]
[R7]int t0/0/0
[R7-Tunnel0/0/0]ospf dr-p 0
[R9]ospf 1
[R9-ospf-1]im
[R9-ospf-1]import-route ospf 2
[R9-ospf-1]ospf 2
[R9-ospf-2]import-route ospf 1
[R9-ospf-2]
所有设备均可访问R4的环回：
做easy IP
[R3]acl 2000
[R3-acl-basic-2000]rule per sou 172.16.0.0 0.0.255.255
[R3-acl-basic-2000]int s4/0/0
[R3-Serial4/0/0]nat out 2000
[R3-Serial4/0/0]
[R5]acl 2000
[R5-acl-basic-2000]rule per sou 172.16.0.0 0.0.255.255
[R5-acl-basic-2000]int s4/0/0
[R5-Serial4/0/0]nat out 2000
[R5-Serial4/0/0]
[R6]acl 2000
[R6-acl-basic-2000]rule per sou 172.16.0.0 0.0.255.255
[R6-acl-basic-2000]int s4/0/0
[R6-Serial4/0/0]nat out 2000
[R6-Serial4/0/0]
[R7]acl 2000
[R7-acl-basic-2000]rule per sou 172.16.0.0 0.0.255.255
[R7-acl-basic-2000]int g0/0/0
[R7-GigabitEthernet0/0/0]nat out 2000
[R7-GigabitEthernet0/0/0]
[R9]ospf 2
[R9-ospf-2]default-route-advertise
[R9-ospf-2]
减少LSA的更新量
[R3]ospf 1
[R3-ospf-1]a 1
[R3-ospf-1-area-0.0.0.1]abr-summary 172.16.32.0 255.255.224.0
[R3-ospf-1-area-0.0.0.1]stub no-summary
[R2]ospf 1
[R2-ospf-1]a 1
[R2-ospf-1-area-0.0.0.1]stu no
[R1]ospf 1
[R1-ospf-1]a 1
[R1-ospf-1-area-0.0.0.1]stu no
[R6]ospf 1
[R6-ospf-1] a 2
[R6-ospf-1-area-0.0.0.2]nssa no-summary
[R7]ospf 1
[R7-ospf-1]a 3
[R7-ospf-1-area-0.0.0.3]ab
[R7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.255.0
[R7-ospf-1-area-0.0.0.3]nssa no-s
[R8]ospf 1
[R8-ospf-1]a 3
[R8-ospf-1-area-0.0.0.3]nssa no-s
[R9]ospf 1
[R9-ospf-1]a 3
[R9-ospf-1-area-0.0.0.3]nssa no-s
[R11]ospf 1
[R11-ospf-1]a 2
[R11-ospf-1-area-0.0.0.2]nssa no-s
[R12]ospf 1
[R12-ospf-1]a 2
[R12-ospf-1-area-0.0.0.2]nssa no-s
加快收敛
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ospf timer hello 5
[R1-GigabitEthernet0/0/0]
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ospf timer hello 5
[R2-GigabitEthernet0/0/0]
[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ospf timer hello 5
[R3-GigabitEthernet0/0/0]
[R3]int t0/0/0
[R3-Tunnel0/0/0]ospf timer hello 5
[R3-Tunnel0/0/0]
[R4]int s4/0/0
[R4-Serial4/0/0]ospf timer hello 5
[R4-Serial4/0/0]int s4/0/1
[R4-Serial4/0/1]ospf timer hello 5
[R4-Serial4/0/1]int s3/0/0
[R4-Serial3/0/0]ospf timer hello 5
[R4-Serial3/0/0]int g0/0/0
[R4-GigabitEthernet0/0/0]ospf timer hello 5
[R4-GigabitEthernet0/0/0]
[R5]int s4/0/0
[R5-Serial4/0/0]ospf timer hello 5
[R5-Serial4/0/0]
[R5]int t0/0/0
[R5-Tunnel0/0/0]ospf timer hello 5
[R5-Tunnel0/0/0]
[R6]int s4/0/0
[R6-Serial4/0/0]ospf timer hello 5
[R6-Serial4/0/0]int g0/0/0
[R6-GigabitEthernet0/0/0]ospf timer hello 5
[R6-GigabitEthernet0/0/0]
[R6]int t0/0/0
[R6-Tunnel0/0/0]ospf timer hello 5
[R6-Tunnel0/0/0]
[R7]int g0/0/0
[R7-GigabitEthernet0/0/0]ospf timer hello 5
[R7-GigabitEthernet0/0/0]int g0/0/1
[R7-GigabitEthernet0/0/1]ospf timer hello 5
[R7-GigabitEthernet0/0/1]
[R7]int t0/0/0
[R7-Tunnel0/0/0]ospf timer hello 5
[R7-Tunnel0/0/0]
[R8]int g0/0/0
[R8-GigabitEthernet0/0/0]ospf timer hello 5
[R8-GigabitEthernet0/0/0]int g0/0/1
[R8-GigabitEthernet0/0/1]ospf timer hello 5
[R8-GigabitEthernet0/0/1]
[R9]int g0/0/0
[R9-GigabitEthernet0/0/0]ospf timer hello 5
[R9-GigabitEthernet0/0/0]int g0/0/1
[R9-GigabitEthernet0/0/1]ospf timer hello 5
[R9-GigabitEthernet0/0/1]
[R10]int g0/0/0
[R10-GigabitEthernet0/0/0]ospf timer hello 5
[R10-GigabitEthernet0/0/0]
[R11]int g0/0/0
[R11-GigabitEthernet0/0/0]ospf timer hello 5
[R11]int g0/0/0
[R11-GigabitEthernet0/0/0]ospf timer hello 5
[R11-GigabitEthernet0/0/1]ospf timer hello 5
[R11-GigabitEthernet0/0/1]
[R12]int g0/0/0
[R12-GigabitEthernet0/0/0]ospf timer hello 5
[R12-GigabitEthernet0/0/0]
保障更新安全
[R1]ospf 1
[R1-ospf-1]a 1
[R1-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 1234
[R1-ospf-1-area-0.0.0.1]
[R2]ospf 1
[R2-ospf-1]a 1
[R2-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 1234
[R2-ospf-1-area-0.0.0.1]
[R3]ospf 1
[R3-ospf-1]a 1
[R3-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 1234
[R3-ospf-1-area-0.0.0.1]a 0
[R3-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher 1234
[R3-ospf-1-area-0.0.0.0]
[R4]ospf 1
[R4-ospf-1]a 0
[R4-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher 1234
[R4-ospf-1-area-0.0.0.0]
[R5]ospf 1
[R5-ospf-1]a 0
[R5-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher 1234
[R5-ospf-1-area-0.0.0.0]
[R6]ospf 1
[R6-ospf-1]a 0
[R6-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher 1234
[R6-ospf-1-area-0.0.0.0]a 2
[R6-ospf-1-area-0.0.0.2]authentication-mode md5 1 cipher 1234
[R6-ospf-1-area-0.0.0.2]
[R7]ospf 1
[R7-ospf-1]a 0
[R7-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher 1234
[R7-ospf-1-area-0.0.0.0]a 3
[R7-ospf-1-area-0.0.0.3]authentication-mode md5 1 cipher 1234
[R7-ospf-1-area-0.0.0.3]
[R8]ospf 1
[R8-ospf-1]a 3
[R8-ospf-1-area-0.0.0.3]authentication-mode md5 1 cipher 1234
[R8-ospf-1-area-0.0.0.3]
[R9]ospf 1
[R9-ospf-1]a 3
[R9-ospf-1-area-0.0.0.3]authentication-mode md5 1 cipher 1234
[R9-ospf-1-area-0.0.0.3]ospf 2
[R9-ospf-2]a 4
[R9-ospf-2-area-0.0.0.4]authentication-mode md5 1 cipher 1234
[R9-ospf-2-area-0.0.0.4]
[R10]ospf 2
[R10-ospf-2]a 4
[R10-ospf-2-area-0.0.0.4]authentication-mode md5 1 cipher 1234
[R10-ospf-2-area-0.0.0.4]
[R11]ospf 1
[R11-ospf-1]a 2
[R11-ospf-1-area-0.0.0.2]authentication-mode md5 1 cipher 1234
[R11-ospf-1-area-0.0.0.2]
[R12]ospf 1
[R12-ospf-1]a 2
[R12-ospf-1-area-0.0.0.2]authentication-mode md5 1 cipher 1234
[R12-ospf-1-area-0.0.0.2]
