----------------------以下以供学习参考-------------------------
以下是实验作业
下图是实验效果图
思路：1、规划IP；2、路由端口IP基本配置等；3、图中有5个区域，先一个区域一个区域内互通；4、作业中还会使用到重发布，多进程程，特殊区域,broadcast,acl、防环、空接口等技术。
以下是实验的部分详细步骤
==========
1 A0各个路由器设备的端口IP地址配置
2 A0区域中私网环境互通 配缺省路由0.0.0.0 0
dis ospf peer breif 这条命令可以在任何系统模式下执行查看邻居或邻接关系
==========
R1
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 172.16.32.129 29
[r1-GigabitEthernet0/0/0]int loopback 0
[r1-LoopBack0]ip add 172.16.33.1 25
[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255
//R1和R2同时放弃选举
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ospf dr-priority 0
[r1]ospf 1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]stub
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ospf authe
[r1-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123
dis ospf peer brief 查看路由邻接关系，点到点，虽然一点到其它点有多点连接，但邻接关系只有一个。full
2-Way:邻居关系
---------------
R2
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 172.16.32.130 29
[r2-GigabitEthernet0/0/0]int loopback 0
[r2-LoopBack0]ip add 172.16.33.129 25
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255
//R1和R2同时放弃选举
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ospf dr-priority 0
[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]stub
[r2-GigabitEthernet0/0/0]ospf authentication-mode md5 1 123
------------------
R3
[r3]int g0/0/1
[r3-GigabitEthernet0/0/1]ip add 34.1.1.1 24
[r3-GigabitEthernet0/0/1]q
[r3]ip route-static 0.0.0.0 0 34.1.1.2
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.32.131 29
[r3-GigabitEthernet0/0/0]int loopback 0
[r3-LoopBack0]ip add 172.16.34.1 25
//GRE环境中，R3是源，R5、R6、R7三个路由器找R3注册。
[r3]int tunnel 0/0/0
[r3-Tunnel0/0/0]ip add 172.16.0.129 29
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp
[r3-Tunnel0/0/0]source 34.1.1.1
[r3-Tunnel0/0/0]nhrp entry multicast dynamic
[r3-Tunnel0/0/0]nhrp network-id 100
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.129 0.0.0.0
[r3-ospf-1-area-0.0.0.0]q
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.0.255
[r3]int tunnel 0/0/0
[r3-Tunnel0/0/0]ospf network-type broadcast
[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]stub no-summary #完全末梢
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ospf auth
[r3-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123
[r3]acl 2000
[r3-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r3]int g0/0/1
[r3-GigabitEthernet0/0/1]nat outbound 2000
[r3]ip route-static 172.16.32.0 19 null 0
------------------
R4
[r4-GigabitEthernet0/0/0]ip add 34.1.1.2 24
[r4-GigabitEthernet0/0/1]ip add 45.1.1.2 24
[r4-GigabitEthernet0/0/2]ip add 46.1.1.2 24
[r4-GigabitEthernet0/0/2]int g4/0/0
[r4-GigabitEthernet4/0/0]ip add 47.1.1.2 24
[r4]int loopback 0
[r4-LoopBack0]ip add 4.4.4.4 24
----------------
R5
[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ip add 45.1.1.1 24
[r5-GigabitEthernet0/0/0]q
[r5]ip route-static 0.0.0.0 0 45.1.1.2
[r5]int loopback 0
[r5-LoopBack0]ip add 172.16.1.1 25
//GRE环境中
[r5]int tunnel 0/0/0
[r5-Tunnel0/0/0]ip add 172.16.0.130 29
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp
[r5-Tunnel0/0/0]source g0/0/0
[r5-Tunnel0/0/0] nhrp network-id 100
[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
[r5]int tunnel 0/0/0
[r5-Tunnel0/0/0]ospf network-type broadcast
//R5、R6、R7路由器同时放弃选举
[r5-Tunnel0/0/0]ospf dr-priority 0
-----------------
R6
[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ip add 46.1.1.1 24
[r6-GigabitEthernet0/0/0]q
[r6]ip route-static 0.0.0.0 0 46.1.1.2
[r6]int loopback 0
[r6-LoopBack0]ip add 172.16.1.129 25
[r6-GigabitEthernet0/0/0]int g0/0/1
[r6-GigabitEthernet0/0/1]ip add 172.16.64.1 30
//GRE环境中
[r6]int tunnel 0/0/0
[r6-Tunnel0/0/0]ip add 172.16.0.131 29
[r6-Tunnel0/0/0]tunnel-protocol gre p2mp
[r6-Tunnel0/0/0]source g0/0/0
[r6-Tunnel0/0/0]nhrp entry 172.16.0.129 34.1.1.1 register
[r6-Tunnel0/0/0]nhrp network-id 100
[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 0.0.1.255
[r6-ospf-1-area-0.0.0.0]q
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]network 172.16.64.0 0.0.0.255
[r6]int tunnel 0/0/0
[r6-Tunnel0/0/0]ospf network-type broadcast
//R5、R6、R7路由器同时放弃选举
[r6-Tunnel0/0/0]ospf dr-priority 0
[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary
[r6]acl 2000
[r6-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r6-acl-basic-2000]q
[r6]int g0/0/1
[r6-GigabitEthernet0/0/1]nat outbound 2000
[r6]ip route-static 172.16.64.0 19 null 0
------------------
R7
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip add 47.1.1.1 24
[r7-GigabitEthernet0/0/0]q
[r7]ip route-static 0.0.0.0 0 47.1.1.2
[r7]int loopback 0
[r7-LoopBack0]ip add 172.16.2.1 25
[r7-GigabitEthernet0/0/0]int g0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.96.1 30
//GRE环境中
[r7]int tunnel 0/0/0
[r7-Tunnel0/0/0]ip add 172.16.0.132 29
[r7-Tunnel0/0/0]tunnel-protocol gre p2mp
[r7-Tunnel0/0/0]source g0/0/0
[r7-Tunnel0/0/0]nhrp entry 172.16.0.129 34.1.1.1 register
[r7-Tunnel0/0/0]nhrp network-id 100
[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 0.0.3.255
[r7-ospf-1-area-0.0.0.0]q
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]network 172.16.96.0 0.0.0.255
[r7]int tunnel 0/0/0
[r7-Tunnel0/0/0]ospf network-type broadcast
//R5、R6、R7路由器同时放弃选举
[r7-Tunnel0/0/0]ospf dr-priority 0
[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.254.0
[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]nssa no-summary
[r7]acl 2000
[r7-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r7-acl-basic-2000]q
[r7]int g0/0/1
[r7-GigabitEthernet0/0/1]nat outbound 2000
[r7]ip route-static 172.16.96.0 19 null 0
-----------------
R8
[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ip add 172.16.96.2 30
[r8-GigabitEthernet0/0/0]int g0/0/1
[r8-GigabitEthernet0/0/1]ip add 172.16.96.5 30
[r8]int loopback 0
[r8-LoopBack0]ip add 172.16.97.1 25
[r8]ospf 1 router-id 8.8.8.8
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]network 172.16.0.0 0.0.255.255
[r8]ospf 1
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]nssa no-summary
----------------
R9
[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ip add 172.16.96.6 30
[r9-GigabitEthernet0/0/0]int g0/0/1
[r9-GigabitEthernet0/0/1]ip add 172.16.128.1 30
[r9]int loopback 0
[r9-LoopBack0]ip add 172.16.129.1 25
[r9]ospf 1 router-id 9.9.9.9
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]network 172.16.96.0 0.0.0.255
[r9-ospf-1-area-0.0.0.3]q
[r9-ospf-1]area 4
[r9-ospf-1-area-0.0.0.4]network 172.16.128.0 0.0.1.255
拆分成2个进程
[r9-ospf-1-area-0.0.0.4]undo network 172.16.128.0 0.0.1.255
[r9-ospf-1-area-0.0.0.4]q
[r9-ospf-1]ospf 2
[r9-ospf-2]area 4
[r9-ospf-2-area-0.0.0.4]network 172.16.128.0 0.0.1.255
[r9-ospf-2]q
[r9]ospf 1
[r9-ospf-1]import-route ospf 2
[r9-ospf-1]q
[r9]ospf 2
[r9-ospf-2]import-route ospf 1
[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0
[r9]ospf 1
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]nssa no-summary
[r9-ospf-1]q
[r9]ospf 2
[r9-ospf-2]undo import-route ospf 1
[r9-ospf-2]default-route-advertise
[r9]ip route-static 172.16.128.0 19 null 0
---------------
R10
[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ip add 172.16.128.2 30
[r10]int loopback 0
[r10-LoopBack0]ip add 172.16.129.129 25
[r10]ospf 1 router-id 10.10.10.10
[r10-ospf-1]area 4
[r10-ospf-1-area-0.0.0.4]network 172.16.0.0 0.0.255.255
[r10-ospf-1-area-0.0.0.4]
----------------
R11
[r11]int g0/0/0
[r11-GigabitEthernet0/0/0]ip add 172.16.64.2 30
[r11-GigabitEthernet0/0/0]int g0/0/1
[r11-GigabitEthernet0/0/1]ip add 172.16.64.5 30
[r11]int loopback 0
[r11-LoopBack0]ip add 172.16.65.1 25
[r11]ospf 1 router-id 11.11.11.11
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]network 172.16.0.0 0.0.255.255
[r11]ospf 1
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]nssa no-summary
-----------------
R12
[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ip add 172.16.64.6 30
[r12]int loopback 0
[r12-LoopBack0]ip add 172.16.160.1 20
[r12-LoopBack0]int loopback 1
[r12-LoopBack1]ip add 172.16.176.1 20
[r12]ospf 1 router-id 12.12.12.12
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]network 172.16.64.0 0.0.0.255
[r12-ospf-1-area-0.0.0.2]q
[r12-ospf-1]q
[r12]rip 1
[r12-rip-1]network 172.16.0.0
[r12]ospf 1
[r12-ospf-1]asbr-summary 172.16.160.0 255.255.254.0
[r12]ospf 1
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]nssa no-summary
[r12]ip route-static 172.16.160.0 19 null 0
--------------------