目录
2、对AERA0区域的设备进行IP地址及环回地址和缺省路由的配置
3、配置AREA1、AREA2、AREA3、AREA4的IP地址及环回接口
6、在R12进行重发布，从而可以让运行OSPF的设备学习到域外路由
8、在ABR的设备上做域间路由汇总以及ASBR的设备上做域外路由汇总
9、将AREA1、AREA2、AREA3做成特殊区域，来实现路由条目的减少
10、对ABR及ASBR做过子网汇总的路由器做空接口来进行防环
实验要求
1、R4为ISP，其上只能配置IP地址；R4与其他所有直连设备间均使用公有IP。
2、R3、R5、R6、R7为MGRE环境，R3为中心站点。
3、整个OSPF环境IP地址基于172.16.0.0/16划分。
4、减少LSA的更新量，加快收敛，保证更新安全。
5、全网可达。
实验思路
1、根据实验要求对172.16.0.0/16网段进行子网划分，方便之后的子网汇总，从而实现对路由条目的减少。
2、对各个设备进行IP地址的配置，及环回接口的配置。
3、对R3、R5、R6、R7设备进行MGRE环境的配置，R3为中心站点，并在这四个路由器上而配置到ISP的缺省路由，实现对边界路由器的私网互通。
4、对各个路由器进行配置OSPF协议并进行宣告，注意在宣告的时候可以汇总的路由信息可以汇总后一并宣告，让其各个路由器获取其他网段的路由拓扑信息，从而获取路由条目。
5、将域外路由通过重发布实现OSPF内可以互通。
6、对需要做特殊区域的区域做特殊区域的配置
7、对边界路由器配置NAT协议从而实现可以对公网的访问
实验内容及步骤
1、各区域IP地址的划分
1、各区域IP地址的划分
将172.16.0.0/16的网段进行子网划分，将该网段划分为8个网段，取其中6个作为我们实验所使用的IP地址，剩下的2个IP地址作为我们的备份网段，方便以后该网络拓扑结构发生变化，需要增加设备，来所留的备用网段。每个网段在进行子网划分，分为P2P网络需要所使用的IP地址，和MA网络所使用的IP地址，及环回地址所使用的IP地址。各个区域IP地址的划分结果如下：注意：
1、如今的实验需要判断网络接口类型为P2P网络类型还是MA网络类型。
2、如今做的实验要切合实际工程，因为一个广播域一般最多也就有200到300台主机设备，所以划分网段需将网段划分为/24的网段来使用，这样更加切合实际。
3、P2P网络类型当中只有两台设备，因此可以使用/30的网段，而在实际当中MA网络类型当中有可能存在多台路由器使用一个网段，因此将MA网络当中网段划分为/29的网段更加合理。
172.16.0.0/19 --- AREA0
172.16.0.0/24 --- P2P骨干
172.16.0.0/30
......
172.16.1.0/24 --- MA骨干
172.16.1.0/29
......
172.16.2.0/24
......
172.16.32.0/19 --- AREA1
172.16.32.0/24 --- P2P骨干
172.16.32.0/30
......
172.16.33.0/24 --- MA骨干
172.16.33.0/29
......
172.16.34.0/24
......
172.16.64.0/19 --- AREA2
172.16.64.0/24 --- P2P骨干
172.16.64.0/30
......
172.16.65.0/24 --- MA骨干
172.16.65.0/30
......
172.16.66.0/24
......
172.16.96.0/19 --- AREA3
172.16.96.0/24 --- P2P骨干
172.16.96.0/30
......
172.16.97.0/24 --- MA骨干
172.16.97.0/29
......
172.16.98.0/24
......
172.16.128.0/19 --- AREA4
172.16.128.0/24 --- P2P骨干
172.16.128.0/30
......
172.16.129.0/24 --- MA骨干
172.16.129.0/29
......
172.16.130.0/24
......
172.16.160.0/19 --- RIP
172.16.160.0/20
172.16.176.0/20
172.16.192.0/19
172.16.224.0/19
2、对AERA0区域的设备进行IP地址及环回地址和缺省路由的配置
AR3
[r3]int s 4/0/0
[r3-Serial4/0/0]ip a 34.0.0.1 24
[r3]ip route-static 0.0.0.0 0 34.0.0.2
AR4
[isp]int s 4/0/0
[isp-Serial4/0/0]ip a 34.0.0.2 24
[isp-Serial4/0/0]int s 3/0/0
[isp-Serial3/0/0]ip a 46.0.0.2 24
[isp-Serial3/0/0]int s 4/0/1
[isp-Serial4/0/1]ip a 45.0.0.2 24
[isp-Serial4/0/1]int g0/0/0
[isp-GigabitEthernet0/0/0]ip a 47.0.0.2 24
[isp-GigabitEthernet0/0/0]int lo0
[isp-LoopBack0]ip a 4.4.4.4 24
AR5
[r5]int s 4/0/0
[r5-Serial4/0/0]ip a 45.0.0.1 24
[r5-Serial4/0/0]int lo0
[r5-LoopBack0]ip a 172.16.2.1 24
[r5]ip route-static 0.0.0.0 0 45.0.0.2
AR6
[r6]int s 4/0/0
[r6-Serial4/0/0]ip a 46.0.0.1 24
[r6-Serial4/0/0]int lo0
[r6-LoopBack0]ip a 172.16.3.1 24
[r6]ip route-static 0.0.0.0 0 46.0.0.2
AR7
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip a 47.0.0.1 24
[r7-GigabitEthernet0/0/0]int lo0
[r7-LoopBack0]ip a 172.16.4.1 24
[r7]ip route-static 0.0.0.0 0 47.0.0.2
3、对R3、R5、R6、R7配置MGRE环境，R3为中心站点。
AR3
[r3]int t 0/0/0
[r3-Tunnel0/0/0]ip a 172.16.1.1 29
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp
[r3-Tunnel0/0/0]source 34.0.0.1
[r3-Tunnel0/0/0]nhrp network-id 100
[r3-Tunnel0/0/0]nhrp entry multicast dynamic
AR5
[r5]int t0/0/0
[r5-Tunnel0/0/0]ip a 172.16.1.2 29
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp
[r5-Tunnel0/0/0]source Serial 4/0/0
[r5-Tunnel0/0/0]nhrp network-id 100
[r5-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register
AR6
[r6]int t0/0/0
[r6-Tunnel0/0/0]ip a 172.16.1.3 29
[r6-Tunnel0/0/0]tunnel-protocol gre p2mp
[r6-Tunnel0/0/0]source Serial 4/0/0
[r6-Tunnel0/0/0]nhrp network-id 100
[r6-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register
AR7
[r7]int t0/0/0
[r7-Tunnel0/0/0]ip a 172.16.1.4 29
[r7-Tunnel0/0/0]tunnel-protocol gre p2mp
[r7-Tunnel0/0/0]source GigabitEthernet 0/0/0
[r7-Tunnel0/0/0]nhrp network-id 100
[r7-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register AR3
[r3]int s 4/0/0
[r3-Serial4/0/0]ip a 34.0.0.1 24
[r3]ip route-static 0.0.0.0 0 34.0.0.2
AR4
[isp]int s 4/0/0
[isp-Serial4/0/0]ip a 34.0.0.2 24
[isp-Serial4/0/0]int s 3/0/0
[isp-Serial3/0/0]ip a 46.0.0.2 24
[isp-Serial3/0/0]int s 4/0/1
[isp-Serial4/0/1]ip a 45.0.0.2 24
[isp-Serial4/0/1]int g0/0/0
[isp-GigabitEthernet0/0/0]ip a 47.0.0.2 24
[isp-GigabitEthernet0/0/0]int lo0
[isp-LoopBack0]ip a 4.4.4.4 24
AR5
[r5]int s 4/0/0
[r5-Serial4/0/0]ip a 45.0.0.1 24
[r5-Serial4/0/0]int lo0
[r5-LoopBack0]ip a 172.16.2.1 24
[r5]ip route-static 0.0.0.0 0 45.0.0.2
AR6
[r6]int s 4/0/0
[r6-Serial4/0/0]ip a 46.0.0.1 24
[r6-Serial4/0/0]int lo0
[r6-LoopBack0]ip a 172.16.3.1 24
[r6]ip route-static 0.0.0.0 0 46.0.0.2
AR7
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip a 47.0.0.1 24
[r7-GigabitEthernet0/0/0]int lo0
[r7-LoopBack0]ip a 172.16.4.1 24
[r7]ip route-static 0.0.0.0 0 47.0.0.2
3、对R3、R5、R6、R7配置MGRE环境，R3为中心站点。
AR3
[r3]int t 0/0/0
[r3-Tunnel0/0/0]ip a 172.16.1.1 29
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp
[r3-Tunnel0/0/0]source 34.0.0.1
[r3-Tunnel0/0/0]nhrp network-id 100
[r3-Tunnel0/0/0]nhrp entry multicast dynamic
AR5
[r5]int t0/0/0
[r5-Tunnel0/0/0]ip a 172.16.1.2 29
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp
[r5-Tunnel0/0/0]source Serial 4/0/0
[r5-Tunnel0/0/0]nhrp network-id 100
[r5-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register
AR6
[r6]int t0/0/0
[r6-Tunnel0/0/0]ip a 172.16.1.3 29
[r6-Tunnel0/0/0]tunnel-protocol gre p2mp
[r6-Tunnel0/0/0]source Serial 4/0/0
[r6-Tunnel0/0/0]nhrp network-id 100
[r6-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register
AR7
[r7]int t0/0/0
[r7-Tunnel0/0/0]ip a 172.16.1.4 29
[r7-Tunnel0/0/0]tunnel-protocol gre p2mp
[r7-Tunnel0/0/0]source GigabitEthernet 0/0/0
[r7-Tunnel0/0/0]nhrp network-id 100
[r7-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register 3、配置AREA1、AREA2、AREA3、AREA4的IP地址及环回接口
AR1
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip a 172.16.33.1 29
[r1-GigabitEthernet0/0/0]int lo0
[r1-LoopBack0]ip a 172.16.34.1 24
AR2
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip a 172.16.33.2 29
[r2-GigabitEthernet0/0/0]int lo0
[r2-LoopBack0]ip a 172.16.35.1 24
AR3
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip a 172.16.33.3 29
[r3-GigabitEthernet0/0/0]int lo0
[r3-LoopBack0]ip a 172.16.36.1 24
AR6
[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ip a 172.16.65.1 29
AR7
[r7]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip a 172.16.97.1 29
AR8
[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ip a 172.16.97.2 29
[r8-GigabitEthernet0/0/0]int lo0
[r8-LoopBack0]ip a 172.16.98.1 24
[r8-LoopBack0]int g 0/0/1
[r8-GigabitEthernet0/0/1]ip a 172.16.97.9 29
AR9
[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ip a 172.16.97.10 29
[r9-GigabitEthernet0/0/0]int g0/0/1
[r9-GigabitEthernet0/0/1]ip a 172.16.129.1 29
[r9-GigabitEthernet0/0/1]int lo0
[r9-LoopBack0]ip a 172.16.130.1 24
AR10
[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ip a 172.16.129.2 29
[r10-GigabitEthernet0/0/0]int lo0
[r10-LoopBack0]ip a 172.16.131.1 24
AR11
[r11]int g 0/0/0
[r11-GigabitEthernet0/0/0]ip a 172.16.65.2 29
[r11-GigabitEthernet0/0/0]int lo0
[r11-LoopBack0]ip a 172.16.66.1 24
[r11-GigabitEthernet0/0/1]ip a 172.16.65.9 29
AR12
[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ip a 172.16.65.10 29
[r12]int lo0
[r12-LoopBack0]ip a 172.16.160.1 20
[r12-LoopBack0]int lo1
[r12-LoopBack1]ip a 172.16.176.1 20
[r12-LoopBack1]4、启动每台设备的OSPF协议
AR1
[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]a 1
[r1-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255
AR2
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a 1
[r2-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255
AR3
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]a 1
[r3-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.7.255
[r3-ospf-1-area-0.0.0.1]a 0
[r3-ospf-1-area-0.0.0.0]net
[r3-ospf-1-area-0.0.0.0]network 172.16.1.1 0.0.0.0
AR5
[r5]ospf 1 rout
[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]a 0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
AR6
[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]a 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.3.255
[r6-ospf-1-area-0.0.0.0]a 2
[r6-ospf-1-area-0.0.0.2]network 172.16.65.1 0.0.0.0
AR7
[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]a 0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.7.255
[r7-ospf-1-area-0.0.0.0]a 3
[r7-ospf-1-area-0.0.0.3]network 172.16.97.1 0.0.0.0
AR8
[r8]ospf 1 router-id 8.8.8.8
[r8-ospf-1]a 3
[r8-ospf-1-area-0.0.0.3]network 172.16.0.0 0.0.255.255
AR9
[r9]ospf 1 router-id 9.9.9.9
[r9-ospf-1]a 3
[r9-ospf-1-area-0.0.0.3]network 172.16.97.10 0.0.0.0
[r9-ospf-1-area-0.0.0.3]a 4
[r9-ospf-1-area-0.0.0.4]network 172.16.128.0 0.0.3.255
AR10
[r10]ospf 1 router-id 10.10.10.10
[r10-ospf-1]a 4
[r10-ospf-1-area-0.0.0.4]network 172.16.0.0 0.0.255.255
AR11
[r11]ospf 1 router-id 11.11.11.11
[r11-ospf-1]a 2
[r11-ospf-1-area-0.0.0.2]network 172.16.0.0 0.0.255.255
AR12
[r12]ospf 1 router-id 12.12.12.12
[r12-ospf-1]a 2
[r12-ospf-1-area-0.0.0.2]network 172.16.65.10 0.0.0.0
[r12]rip 1
[r12-rip-1]v 2
[r12-rip-1]network 172.16.0.05、更改tunnel接口的接口类型
AR3
[r3]int t0/0/0
[r3-Tunnel0/0/0]ospf network-type p2mp
AR5
[r5]int t0/0/0
[r5-Tunnel0/0/0]ospf network-type p2mp
AR6
[r6]int t0/0/0
[r6-Tunnel0/0/0]ospf network-type p2mp
AR7
[r7]int t0/0/0
[r7-Tunnel0/0/0]ospf network-type p2mp6、在R12进行重发布，从而可以让运行OSPF的设备学习到域外路由
AR12
[r12]ospf 1
[r12-ospf-1]import-route rip 17、将AREA4更改为域外路由来减少路由信息
将AREA4改为域外路由，以此来做特殊区域来减少路由条目的数量因此在R9上重新开启一个OSPF进程，进行重发布。（不用虚链路和Tunnel隧道技术是因为要做特殊区域，因此这里要用双向重发布，但是在此拓扑当中只需要单项重发布，然后在写一条缺省路由即可。）
AR9
[r9]ospf 1
[r9-ospf-1]a 4
[r9-ospf-1-area-0.0.0.4]undo network 172.16.128.0 0.0.3.255
[r9-ospf-1-area-0.0.0.4]q
[r9-ospf-1]undo a 4
[r9-ospf-1]q
[r9]ospf 2 rout
[r9]ospf 2 router-id 9.9.9.9
[r9-ospf-2]a 4
[r9-ospf-2-area-0.0.0.4]net
[r9-ospf-2-area-0.0.0.4]network 172.16.128.0 0.0.3.255
[r9]ospf 1
[r9-ospf-1]import-route ospf 2
[r9]ospf 2
[r9-ospf-2]de
[r9-ospf-2]default-route-advertise8、在ABR的设备上做域间路由汇总以及ASBR的设备上做域外路由汇总
AR3
[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
AR6
[r6]ospf 1
[r6-ospf-1]a 2
[r6-ospf-1-area-0.0.0.2]abr-summary 172.16.64.0 255.255.224.0
AR7
[r7]ospf 1
[r7-ospf-1]a 3
[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.224.0
AR12
[r12]ospf 1
[r12-ospf-1]asbr-summary 172.16.160.0 255.255.224.0
AR9
[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.128.0 255.255.224.09、将AREA1、AREA2、AREA3做成特殊区域，来实现路由条目的减少
AR1
[r1]ospf 1
[r1-ospf-1]a 1
[r1-ospf-1-area-0.0.0.1]stub
AR2
[r1]ospf 1
[r1-ospf-1]a 1
[r1-ospf-1-area-0.0.0.1]stub
AR3
[r3]ospf 1
[r3-ospf-1]a 1
[r3-ospf-1-area-0.0.0.1]stub no-summary
AR6
[r6]ospf 1
[r6-ospf-1]a 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary
AR11
r11]ospf 1
[r11-ospf-1]a 2
[r11-ospf-1-area-0.0.0.2]nssa
AR12
[r12]ospf 1
[r12-ospf-1]a 2
[r12-ospf-1-area-0.0.0.2]nssa
AR7
[r7]ospf 1
[r7-ospf-1]a 3
[r7-ospf-1-area-0.0.0.3]nssa no-summary
AR8
[r8]ospf 1
[r8-ospf-1]a 3
[r8-ospf-1-area-0.0.0.3]nssa
AR9
[r9]ospf 1
[r9-ospf-1]a 3
[r9-ospf-1-area-0.0.0.3]nssa10、对ABR及ASBR做过子网汇总的路由器做空接口来进行防环
AR3
[r3]ip route-static 172.16.32.0 19 NULL 0
AR6
[r6]ip route-static 172.16.64.0 19 NULL 0
AR7
[r7]ip route-static 172.16.96.0 19 NULL 0
AR12
[r12]ip route-static 172.16.160.0 19 NULL 0
AR9
[r9]ip route-static 172.16.128.0 19 NULL 011、能够进行访问到公网。进行NAT协议的配置
AR3
[r3]acl 2000
[r3-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r3]int s 4/0/0
[r3-Serial4/0/0]nat outbound 2000
AR5
[r5]acl 2000
[r5-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r5]int s4/0/0
[r5-Serial4/0/0]nat outbound 2000
AR6
[r6]acl 2000
[r6-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r6]int s 4/0/0
[r6-Serial4/0/0]nat outbound 2000
AR7
[r7]acl 2000
[r7-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]nat outbound 200012、对AREA1进行区域认证的配置，保证更新安全
AR1
[r1]ospf 1
[r1-ospf-1]a 1
[r1-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456
AR2
[r1]ospf 1
[r1-ospf-1]a 1
[r1-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456
AR3
[r3]ospf 1
[r3-ospf-1]a 1
[r3-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456
13、加快收敛
13、加快收敛
AR3
[r3]int t0/0/0
[r3-Tunnel0/0/0]ospf timer hello 10
AR5
[r5]int t0/0/0
[r5-Tunnel0/0/0]ospf timer hello 10
AR6
[r6]int t0/0/0
[r6-Tunnel0/0/0]ospf timer hello 10
AR7
[r7]int t0/0/0
[r7-Tunnel0/0/0]ospf timer hello 10实验结果及验证
1、各个路由器的IP地址的配置
R1
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.33.1/29 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.34.1/24 up up(s)
NULL0 unassigned up up(s) R2
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.33.2/29 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.35.1/24 up up(s)
NULL0 unassigned up up(s)R3
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.33.3/29 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.36.1/24 up up(s)
NULL0 unassigned up up(s)
Serial4/0/0 34.0.0.1/24 up up
Serial4/0/1 unassigned down down
Tunnel0/0/0 172.16.1.1/29 up down R4
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 47.0.0.2/24 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 4.4.4.4/24 up up(s)
NULL0 unassigned up up(s)
Serial3/0/0 46.0.0.2/24 up up
Serial3/0/1 unassigned down down
Serial4/0/0 34.0.0.2/24 up up
Serial4/0/1 45.0.0.2/24 up upR5
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 unassigned down down
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.2.1/24 up up(s)
NULL0 unassigned up up(s)
Serial4/0/0 45.0.0.1/24 up up
Serial4/0/1 unassigned down down
Tunnel0/0/0 172.16.1.2/29 up down R6
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.65.1/29 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.3.1/24 up up(s)
NULL0 unassigned up up(s)
Serial4/0/0 46.0.0.1/24 up up
Serial4/0/1 unassigned down down
Tunnel0/0/0 172.16.1.3/29 up down R7
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 47.0.0.1/24 up up
GigabitEthernet0/0/1 172.16.97.1/29 up up
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.4.1/24 up up(s)
NULL0 unassigned up up(s)
Tunnel0/0/0 172.16.1.4/29 up down R8
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.97.2/29 up up
GigabitEthernet0/0/1 172.16.97.9/29 up up
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.98.1/24 up up(s)
NULL0 unassigned up up(s) R9
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.97.10/29 up up
GigabitEthernet0/0/1 172.16.129.1/29 up up
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.130.1/24 up up(s)
NULL0 unassigned up up(s) R10
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.129.2/29 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.131.1/24 up up(s)
NULL0 unassigned up up(s) R11
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.65.2/29 up up
GigabitEthernet0/0/1 172.16.65.1/24 up up
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.66.1/24 up up(s)
NULL0 unassigned up up(s) R12
Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 172.16.65.10/29 up up
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
LoopBack0 172.16.160.1/20 up up(s)
LoopBack11 172.16.176.1/20 up up(s)
NULL0 unassigned up up(s) 2、各个路由器的OSPF路由信息
R1
R2
R3
R5
R6
R7
R8
R9
R10
R11
R12
3、通过AR5来查看整个路由条目
4、全网可达
R1
R10
R12
