第三次作业

配置IP

[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip ad 172.16.16.1 29
[r1-GigabitEthernet0/0/0]q
[r1]int l0
[r1-LoopBack0]ip ad 172.16.17.1 24

[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip ad 172.16.16.2 29
[r2-GigabitEthernet0/0/0]q
[r2]int l0
[r2-LoopBack0]ip ad 172.16.18.1 24

[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip ad 172.16.16.3 29
[r3-GigabitEthernet0/0/0]q
[r3]int s 4/0/0
[r3-Serial4/0/0]ip ad 34.0.0.3 24
[r3-Serial4/0/0]q
[r3]int l0
[r3-LoopBack0]ip ad 172.16.19.1 24

[ISP]int g 0/0/0
[ISP-GigabitEthernet0/0/0]ip ad 47.0.0.4 24
[ISP-GigabitEthernet0/0/0]q
[ISP]int s 4/0/0
[ISP-Serial4/0/0]ip ad 34.0.0.4 24
[ISP-Serial4/0/0]q
[ISP]int s 4/0/1
[ISP-Serial4/0/1]ip ad 45.0.0.4 24
[ISP-Serial4/0/1]q
[ISP]int s 3/0/0
[ISP-Serial3/0/0]ip ad 46.0.0.4 24
[ISP-Serial3/0/0]q
[ISP]int l0
[ISP-LoopBack0]ip ad 4.4.4.4 32

[r5]int s 4/0/0
[r5-Serial4/0/0]ip ad 45.0.0.5 24
[r5-Serial4/0/0]q
[r5]int l0
[r5-LoopBack0]ip ad 172.16.1.1 24

[r6]int s 4/0/0
[r6-Serial4/0/0]ip ad 46.0.0.6 24
[r6-Serial4/0/0]q
[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip ad 172.16.33.1 30
[r6-GigabitEthernet0/0/0]q
[r6]int l0
[r6-LoopBack0]ip ad 172.16.2.1 24

[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip ad 47.0.0.7 24
[r7-GigabitEthernet0/0/0]q
[r7]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip ad 172.16.49.1 30
[r7-GigabitEthernet0/0/1]q
[r7]int l0
[r7-LoopBack0]ip ad 172.16.3.1 24

[r8]int g 0/0/0
[r8-GigabitEthernet0/0/0]ip ad 172.16.49.2 30
[r8-GigabitEthernet0/0/0]q
[r8]int g 0/0/1
[r8-GigabitEthernet0/0/1]ip ad 172.16.49.5 30
[r8-GigabitEthernet0/0/1]q
[r8]int l0
[r8-LoopBack0]ip ad 172.16.48.1 24

[r9]int g 0/0/0
[r9-GigabitEthernet0/0/0]ip ad 172.16.49.6 30
[r9-GigabitEthernet0/0/0]q
[r9]int g 0/0/1
[r9-GigabitEthernet0/0/1]ip ad 172.16.66.1 30
[r9-GigabitEthernet0/0/1]q
[r9]int l0
[r9-LoopBack0]ip ad 172.16.64.1 24

[r10]int g 0/0/0
[r10-GigabitEthernet0/0/0]ip ad 172.16.66.2 30
[r10-GigabitEthernet0/0/0]q
[r10]int l0
[r10-LoopBack0]ip ad 172.16.65.1 24

[r11]int g 0/0/0
[r11-GigabitEthernet0/0/0]ip ad 172.16.33.2 30
[r11-GigabitEthernet0/0/0]q
[r11]int g 0/0/1
[r11-GigabitEthernet0/0/1]ip ad 172.16.33.5 30
[r11-GigabitEthernet0/0/1]q
[r11]int l0
[r11-LoopBack0]ip ad 172.16.32.1 24

[r12]int g 0/0/0
[r12-GigabitEthernet0/0/0]ip ad 172.16.33.6 30
[r12-GigabitEthernet0/0/0]q
[r12]int l0
[r12-LoopBack0]ip ad 172.16.128.1 18
[r12-LoopBack0]q
[r12]int l1
[r12-LoopBack1]ip ad 172.16.192.1 18

R3-R5/6/7为MGRE环境，R3为中心站点

[r3]int t 0/0/0
[r3-Tunnel0/0/0]ip ad 172.16.0.1 24
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r3-Tunnel0/0/0]source 34.0.0.3
[r3-Tunnel0/0/0]nhrp entry multicast dynamic 
[r3-Tunnel0/0/0]q
[r3]ip route-static 0.0.0.0 0 34.0.0.4

[r5]int t 0/0/0
[r5-Tunnel0/0/0]ip ad 172.16.0.2 24 
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r5-Tunnel0/0/0]source s 4/0/0
[r5-Tunnel0/0/0]nhrp entry 172.16.0.1 34.0.0.3 register 
[r5]ip route-static 0.0.0.0 0 45.0.0.4

[r6]int t 0/0/0
[r6-Tunnel0/0/0]ip ad 172.16.0.3 24  
[r6-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r6-Tunnel0/0/0]source s 4/0/0
[r6-Tunnel0/0/0]nhrp entry 172.16.0.1 34.0.0.3 register 
[r6-Tunnel0/0/0]q
[r6]ip route-static 0.0.0.0 0 46.0.0.4

[r7]int t 0/0/0
[r7-Tunnel0/0/0]ip ad 172.16.0.4 24
[r7-Tunnel0/0/0]tunnel-protocol gre p2mp   
[r7-Tunnel0/0/0]source g 0/0/0
[r7-Tunnel0/0/0]nhrp entry 172.16.0.1 34.0.0.3 register
[r7-Tunnel0/0/0]q
[r7]ip route-static  0.0.0.0 0 47.0.0.4

搭建OSPF环境

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.1 0.0.0.0
[r3-ospf-1-area-0.0.0.0]q
[r3-ospf-1]int t 0/0/0  
[r3-Tunnel0/0/0]ospf network-type p2mp 
[r3-Tunnel0/0/0]ospf timer hello 1
[r3-Tunnel0/0/0]q
[r3]int l0  
[r3-LoopBack0]ospf network-type broadcast

[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-ospf-1-area-0.0.0.0]q
[r5-ospf-1]int t 0/0/0
[r5-Tunnel0/0/0]ospf network-type p2mp
[r5-Tunnel0/0/0]ospf timer hello 1

[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.3 0.0.0.0
[r6-ospf-1-area-0.0.0.0]network 172.16.2.1 0.0.0.0
[r6-ospf-1-area-0.0.0.0]q
[r6-ospf-1]int t 0/0/0
[r6-Tunnel0/0/0]ospf network-type p2mp
[r6-Tunnel0/0/0]ospf timer hello 1

[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 0.15.255.255
[r7-ospf-1-area-0.0.0.0]q
[r7-ospf-1]int t 0/0/0
[r7-Tunnel0/0/0]ospf network-type p2mp
[r7-Tunnel0/0/0]ospf timer hello 1

[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]network 0.0.0.0 255.255.255.255
[r1-ospf-1-area-0.0.0.1]q
[r1-ospf-1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ospf timer hello 1

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]network 0.0.0.0 255.255.255.255
[r2-ospf-1-area-0.0.0.1]q
[r2-ospf-1]int g 0/0/0
[r2-GigabitEthernet0/0/0]ospf timer hello 1

[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]network 172.16.16.0 0.15.255.255
[r3-ospf-1-area-0.0.0.1]q
[r3-ospf-1]int g 0/0/0
[r3-GigabitEthernet0/0/0]ospf timer hello 1

[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]network 172.16.33.1 0.0.0.0
[r6-ospf-1-area-0.0.0.2]q
[r6-ospf-1]int g 0/0/0
[r6-GigabitEthernet0/0/0]ospf timer hello 1

[r11]ospf 1 router-id 11.11.11.11
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]network 0.0.0.0 255.255.255.255
[r11-ospf-1-area-0.0.0.2]q
[r11-ospf-1]int g 0/0/0
[r11-GigabitEthernet0/0/0]ospf timer hello 1
[r11-GigabitEthernet0/0/0]q
[r11]int g 0/0/1
[r11-GigabitEthernet0/0/1]ospf timer hello 1

[r12]ospf 1 router-id 12.12.12.12
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]network 172.16.33.6 0.0.0.0
[r12-ospf-1-area-0.0.0.2]q
[r12-ospf-1]int g 0/0/0
[r12-GigabitEthernet0/0/0]ospf timer hello 1
[r12-GigabitEthernet0/0/0]q
[r12]rip 1
[r12-rip-1]version 2
[r12-rip-1]undo summary
[r12-rip-1]network 172.16.0.0

[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]network 172.16.49.1 0.0.0.0
[r7-ospf-1-area-0.0.0.3]q
[r7-ospf-1]int g 0/0/1
[r7-GigabitEthernet0/0/1]ospf timer hello 1

[r8]ospf 1 router-id 8.8.8.8
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]network 0.0.0.0 255.255.255.255
[r8-ospf-1-area-0.0.0.3]q
[r8-ospf-1]int g 0/0/0
[r8-GigabitEthernet0/0/0]ospf timer hello 1

[r8-GigabitEthernet0/0/0]q 

[r8]int g 0/0/1
[r8-GigabitEthernet0/0/1]ospf timer hello 1

[r9]ospf 1 router-id 9.9.9.9
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]network 172.16.49.6 0.0.0.0
[r9-ospf-1-area-0.0.0.3]q
[r9-ospf-1]int g 0/0/0
[r9-GigabitEthernet0/0/0]ospf timer hello 1

[r9]ospf 2 router-id 9.9.9.9 
[r9-ospf-2]area 4
[r9-ospf-2-area-0.0.0.4]network 172.16.64.0 0.15.255.255
[r9-ospf-2-area-0.0.0.4]q
[r9-ospf-2]int g 0/0/1
[r9-GigabitEthernet0/0/1]ospf timer hello 1
 

[r10]ospf 1 router-id 10.10.10.10
[r10-ospf-1]area 4
[r10-ospf-1-area-0.0.0.4]network 0.0.0.0 255.255.255.255
[r10-ospf-1-area-0.0.0.4]q
[r10-ospf-1]int g 0/0/0
[r10-GigabitEthernet0/0/0]ospf timer hello 1
 

重发布

[r12]ospf 1  
[r12-ospf-1]import-route rip 1
[r12-ospf-1]q
[r12]rip 1
[r12-rip-1]import-route ospf 1

[r9]ospf 1 
[r9-ospf-1]import-route ospf 2
[r9-ospf-1]q
[r9]ospf 2
[r9-ospf-2]import-route ospf 1

汇总

[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]abr-summary 172.16.16.0 255.255.240.0

[r6]ospf 1
[r6-ospf-1]area 1
[r6-ospf-1-area-0.0.0.1]abr-summary 172.16.16.0 255.255.240.0

[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.48.0 255.255.240.0

[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.64.0 255.255.240.0

[r12]ospf 1
[r12-ospf-1]asbr-summary 172.16.128.0 255.255.128.0

特殊区域

[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]stub no-summary

[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary

[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

[r7]ospf 1
[r7-ospf-1]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]area 3
[r9-ospf-1-area-0.0.0.3]nssa

[r9-ospf-1-area-0.0.0.3]q
[r9-ospf-1]q
[r9]ospf 2
[r9-ospf-2]default-route-advertise

认证

[r9]int g 0/0/1
[r9-GigabitEthernet0/0/1]ospf authentication-mode md5 1 cipher 123456

[r10]int g 0/0/0
[r10-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123456

[r1]ospf 1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456

[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456

[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 123456

接口优化

[r3]ip route-static 172.16.16.0 20 NULL 0

[r6]ip route-static 172.16.32.0 20 NULL 0

[r1]ospf 1
[r1-ospf-1]silent-interface LoopBack 0

[r2]ospf 1
[r2-ospf-1]silent-interface LoopBack 0

[r3]ospf 1
[r3-ospf-1]silent-interface LoopBack 0

[ISP]ospf 1
[ISP-ospf-1]silent-interface LoopBack 0

[r5]ospf 1
[r5-ospf-1]silent-interface LoopBack 0

[r6]ospf 1
[r6-ospf-1]silent-interface LoopBack 0

[r7]ospf 1
[r7-ospf-1]silent-interface LoopBack 0

[r8]ospf 1
[r8-ospf-1]silent-interface LoopBack 0

[r9]ospf 1
[r9-ospf-1]silent-interface LoopBack 0

[r10]ospf 1
[r10-ospf-1]silent-interface LoopBack 0

[r11]ospf 1
[r11-ospf-1]silent-interface LoopBack 0

配置NAT

[r3]acl 2000
[r3-acl-basic-2000]rule permit source 172.16.16.0 0.0.15.255
[r3-acl-basic-2000]q
[r3]int s 4/0/0
[r3-Serial4/0/0]nat outbound 2000

[r6]acl 2000
[r6-acl-basic-2000]rule permit source 172.16.32.0 0.0.15.255
[r6-acl-basic-2000]rule permit source 172.16.128.0 0.0.254.255
[r6-acl-basic-2000]q
[r6]int s 4/0/0
[r6-Serial4/0/0]nat outbound 2000

[r7]acl 2000
[r7-acl-basic-2000]rule permit source 172.16.48.0 0.0.15.255
[r7-acl-basic-2000]rule permit source 172.16.64.0 0.0.15.255
[r7-acl-basic-2000]q
[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]nat outbound 2000