实验要求
1.子网划分
172.16.0.0/16 一共有5个OSPF区域和一个RIP区域,所以需要划分6个网段出来,借三位 172.16.0.0/19 A0 172.16.32.0/19 A1 172.16.64.0/19 A2 172.16.96.0/19 A3 172.16.128.0/19 A4 172.16.160.0/19 RIP 172.16.192.0/19 172.16.224.0/19 取出其中6个网段来用 然后再依据每个区域所需的网段和环回等继续划分:
A0:172.16.0.0/19? 172.16.0.0/25? ? 172.16.0.128/25? ? ? 172.16.1.0/25? ? 172.16.1.128/25 ……172.16.31.128/25 172.16.0.0/25? P2P骨干? 172.16.0.0/30? 172.168.0.4/30……
172.16.0.128/25? ? MA骨干? ? ?172.16.0.128/29 ?????172.16.0.136/29......
172.16.1.0/25? ? ? ?用户
172.16.1.128/25......
RIP:172.16.160.0/19
172.16.160.0/20? ? ?172.16.176.0/20
2.打开eNSP软件,新建拓扑,建立如上模型,打开所有设备。
?3.通公网
[r3]int g0/0/2
[r3-GigabitEthernet0/0/2]ip add 34.1.1.1 24
[r5]int g0/0/2
[r5-GigabitEthernet0/0/2]ip add 45.1.1.1 24
[r6]int g0/0/2
[r6-GigabitEthernet0/0/2]ip add 46.1.1.1 24
[r7]int g0/0/2
[r7-GigabitEthernet0/0/2]ip add 47.1.1.1 24
?缺省
[r3]ip route-static 0.0.0.0 0 32.1.1.2
[r5]ip route-static 0.0.0.0 0 45.1.1.2
[r6]ip route-static 0.0.0.0 0 46.1.1.2
[r7]ip route-static 0.0.0.0 0 47.1.1.2
配置完成后进行测试?,然后以R3为中心点配置IP地址
[r3]interface 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
[r5]interface 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 45.1.1.1
[r5-Tunnel0/0/0]nhrp entry 172.16.0.129 34.1.1.1 register
[r5-Tunnel0/0/0]nhrp network-id 100
[r6]interface 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 46.1.1.1
[r6-Tunnel0/0/0]nhrp entry 172.16.0.129 34.1.1.1 register
[r6-Tunnel0/0/0]nhrp network-id 100
[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 47.1.1.1
[r7-Tunnel0/0/0]nhrp entry 172.16.0.129 34.1.1.1 register
[r7-Tunnel0/0/0]nhrp network-id 100
配用户网段
[r5]int lo0
[r5-LoopBack0]ip add 172.16.1.1 25
[r6]int lo0
[r6-LoopBack0]ip add 172.16.1.129 25
[r7]int lo0
[r7-LoopBack0]ip add 172.16.2.1 25
4.配置区域IP
[r1]int lo0
[r1-LoopBack0]ip add 172.16.33.1 25
[r1-LoopBack0]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 172.16.32.129 29
[r2]int lo0
[r2-LoopBack0]ip add 172.16.33.129 25
[r2-LoopBack0]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 172.16.32.130 29
[r3]int lo0
[r3-LoopBack0]ip add 172.16.34.1 25
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.32.131 29
[r6]int lo0
[r6-LoopBack0]ip add 172.16.1.129 25
[r6-LoopBack0]g0/0/1
[r6-GigabitEthernet0/0/1]ip add 172.16.64.1 30
[r11]int lo0
[r11-LoopBack0]ip add 172.16.65.1 25
[r11-LoopBack0]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
[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ip add 172.16.64.6 30
[r12]int lo0
[r12-LoopBack0]ip add 172.16.160.1 20
[r12-LoopBack0]int lo1
[r12-LoopBack1]ip add 172.16.176.1 20
[r8]int lo0
[r8-LoopBack0]ip add 172.16.97.1 29
[r8-LoopBack0]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
[r7]int g0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.96.1 30
[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ip add 172.16.96.6 30
[r9-GigabitEthernet0/0/0]int lo0
[r9-LoopBack0]ip add 172.16.129.1 25
[r9-LoopBack0]int g0/0/1
[r9-GigabitEthernet0/0/1]ip add 172.16.128.1 30
[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ip add 172.16.129.129 25
[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ip add 172.16.128.2 30
[r10-GigabitEthernet0/0/0]int lo0
[r10-LoopBack0]ip add 172.16.129.129 25
5.启动ospf
[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
[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
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.3.255
[r3-ospf-1-area-0.0.0.1]q
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.129 0.0.0.0
[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
[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 172.16.64.1 0.0.0.0
[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 172.16.96.1 0.0.0.0
[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
[r9]ospf 1 router-id 9.9.9.9
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]network 172.16.96.6 0.0.0.0
[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
[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
[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
[r12]ospf 1 router-id 12.12.12.12
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]network 172.16.64.6 0.0.0.0
[r12-ospf-1-area-0.0.0.2]q
[r12-ospf-1]q
[r12]rip 1
[r12-rip-1]ver 2
[r12-rip-1]network 172.16.0.0
6.r5/r6/r7放弃选举
[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
[r5-Tunnel0/0/0]ospf dr-priority 0
[r6]int t0/0/0
[r6-Tunnel0/0/0]ospf network-type broadcast
[r6-Tunnel0/0/0]ospf dr-priority 0
[r7]int t0/0/0
[r7-Tunnel0/0/0]ospf network-type broadcast
[r7-Tunnel0/0/0]ospf dr-priority 0
7.设acl和nat
[r3]acl 2000
[r3-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r3-acl-basic-2000]int g0/0/1
[r3-GigabitEthernet0/0/1]nat outbound 2000
[r6]acl 2000
[r6-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r6-acl-basic-2000]int g0/0/2
[r6-GigabitEthernet0/0/2]nat outbound 2000
[r7]acl 2000
[r7-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r7-acl-basic-2000]int g0/0/2
[r7-GigabitEthernet0/0/2]nat outbound 2000
8.重发布
[r9]ospf 1
[r9-ospf-1]display this
[V200R003C00]
#
ospf 1 router-id 9.9.9.9
area 0.0.0.3
network 172.16.96.6 0.0.0.0
area 0.0.0.4
network 172.16.128.0 0.0.1.255
#
return
[r9-ospf-1]area 4
[r9-ospf-1]undo network 172.16.128.0 0.0.1.255
[r9-ospf-1-area-0.0.0.4]q
[r9-ospf-1]q
[r9]ospf 2
[r9-ospf-2]area 4
[r9-ospf-2-area-0.0.0.4] network 172.16.128.0 0.0.1.255
[r12]ospf 1
[r12-ospf-1]import-route rip 1
9.减少lsa更新量并null 0
[r1]ospf 1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]stub
[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]stub
[r3]ospf 1
[r3-ospf-1]area 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]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]stub no-summary
[r6]ospf 1
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]abr-summary 172.16.64.0 255.255.224.0
[r6-ospf-1-area-0.0.0.0]area 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary
[r7]ospf 1
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]abr-summary 172.16.96.0 255.255.224.0
[r7-ospf-1-area-0.0.0.0]area 3
[r7-ospf-1-area-0.0.0.3]nssa no-summary
[r8]ospf 1
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]nssa
[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0
[r9-ospf-1]ospf 1
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]nssa
[r9-ospf-1-area-0.0.0.3]q
[r9-ospf-1]ospf 2
[r9-ospf-2]area 4
[r9-ospf-2-area-0.0.0.4]network 172.16.128.1 0.0.0.0
[r11]ospf 1
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]nssa
[r12]ospf 1
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]nssa
[r3]ip route-static 172.16.32.0 19 NULL 0
[r6]ip route-static 172.16.64.0 19 NULL 0
[r7]ip route-static 172.16.96.0 19 NULL 0
[r9]ip route-static 172.16.128.0 19 NULL 0
[r12]ip route-static 172.16.160.0 19 NULL 0
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