IP地址
192.168.1.0 24
1.0 30
1.4 30
1.8 30
1.12 30
1.16 30
1.20 30
1.24 30
环回配置
ri:1.32 27
1.32 28 1.48 28
r2:1.64 27
1.64 28 1.80 28
r3:1.96 27
1.96 28
r4:1.128 27
1.128 28 1.144 28 r4
r5:1.160 27
1.160 28 1.176 28
接口 R1
[R1]int g 0/0/0
[R1-GigabitEthernet0/0/0]ip address 192.168.1.1 30
[R1-GigabitEthernet0/0/0]int g 0/0/1
[R1-GigabitEthernet0/0/1]ip address 192.168.1.21 30
[R1-GigabitEthernet0/0/1]int LoopBack 0
[R1-LoopBack0]ip address 192.168.1.33 28
[R1-LoopBack0]int LoopBack 1
[R1-LoopBack1]ip address 192.168.1.49 28
R1
ip route-static 0.0.0.0 0 192.168.1.2
ip route-static 0.0.0.0 0 192.168.1.21
ip route-static 192.168.1.96 27 192.168.1.21
ip route-static 192.168.1.128 27 192.168.1.2
ip route-static 192.168.1.160 27 192.168.1.2
ip route-static 192.168.1.64 27 192.168.1.2
ip route-static 192.168.1.8 30 192.168.1.2
ip route-static 192.168.1.4 30 192.168.1.2
ip route-static 192.168.1.12 30 192.168.1.21
ip route-static 192.168.1.16 30 192.168.1.21
ip route-static 192.168.1.24 30 192.168.1.21
ip route-static 192.168.1.32 27 NULL 0
设置登录账号和密码
R1
[R1]lsj
[R1-lsj]local-user root privilege level 3 password cipher root
[R1-lsj]local-user root service-type telnet
[R1-lsj]q
[R1]user-interface vty 0 4
[R1-ui-vty0-4]authentication-mode lsj
R2
[R2]int g 0/0/0
[R2-GigabitEthernet0/0/0]ip address 192.168.1.2 30
[R2-GigabitEthernet0/0/0]int g 0/0/1
[R2-GigabitEthernet0/0/1]ip address 192.168.1.5 30
[R2-GigabitEthernet0/0/1]int LoopBack 0
[R2-LoopBack0]ip address 192.168.1.65 28
[R2-LoopBack0]int LoopBack 1
[R2-LoopBack1]ip address 192.168.1.81 28
R2
ip route-static 0.0.0.0 0 192.168.1.6
ip route-static 192.168.1.96 27 192.168.1.6
ip route-static 192.168.1.128 27 192.168.1.6
ip route-static 192.168.1.160 27 192.168.1.6
ip route-static 192.168.1.32 27 192.168.1.1
ip route-static 192.168.1.8 30 192.168.1.6
ip route-static 192.168.1.20 30 192.168.1.1
ip route-static 192.168.1.12 30 192.168.1.6
ip route-static 192.168.1.16 30 192.168.1.6
ip route-static 192.168.1.24 30 192.168.1.6
ip route-static 192.168.1.64 27 NULL 0
R3
[R3]int g 0/0/0
[R3-GigabitEthernet0/0/0]ip address 192.168.1.1730
[R3-GigabitEthernet0/0/0]int g 0/0/1
[R3-GigabitEthernet0/0/1]ip address 192.168.1.21 30
[R3-GigabitEthernet0/0/1]int LoopBack 0
[R3-LoopBack0]ip address 192.168.1.97 28
R3
ip route-static 0.0.0.0 0 192.168.1.17
ip route-static 192.168.1.64 27 192.168.1.17
ip route-static 192.168.1.128 27 192.168.1.17
ip route-static 192.168.1.160 27 192.168.1.17
ip route-static 192.168.1.32 27 192.168.1.22
ip route-static 192.168.1.8 30 192.168.1.17
ip route-static 192.168.1.0 30 192.168.1.22
ip route-static 192.168.1.12 30 192.168.1.17
ip route-static 192.168.1.4 30 192.168.1.17
ip route-static 192.168.1.64 27 NULL 0
[R3]dhcp enable
[R3]ip pool 1
[R3-ip-pool-1]network 192.168.1.192 mask 27
[R3-ip-pool-1]gateway-list 192.168.1.193
[R3-ip-pool-1]dns-list 8.8.8.8
[R3-ip-pool-1]int g 0/0/2
[R3-GigabitEthernet0/0/2]dhcp select global
R4
ip route-static 0.0.0.0 0 192.168.1.10
ip route-static 192.168.1.64 27 192.168.1.5
ip route-static 192.168.1.96 27 192.168.1.18
ip route-static 192.168.1.160 27 192.168.1.13
ip route-static 192.168.1.32 27 192.168.1.18
ip route-static 192.168.1.0 30 192.168.1.5
ip route-static 192.168.1.24 30 192.168.1.18
ip route-static 192.168.1.20 30 192.168.1.18
ip route-static 192.168.1.128 27 NULL 0
ip route-static 0.0.0.0 0 192.168.1.13 30 preference 70
R5
ip route-static 0.0.0.0 0 192.168.1.160
ip route-static 192.168.1.64 27 192.168.1.9
ip route-static 192.168.1.128 27 192.168.1.9
ip route-static 192.168.1.96 27 192.168.1.9
ip route-static 192.168.1.32 27 192.168.1.14
ip route-static 192.168.1.16 30 192.168.1.14
ip route-static 192.168.1.0 30 192.168.1.9
ip route-static 192.168.1.4 30 192.168.1.9
ip route-static 192.168.1.24 30 192.168.1.9
ip route-static 192.168.1.20 30 192.168.1.9
ip route-static 192.168.1.0 24 192.168.1.9
ip route-static 192.168.1.0 24 192.168.1.13 preference70
ip route-static 192.168.1.160 27 NULL 0
R6
[R6]int g 0/0/2
[R6-GigabitEthernet0/0/0]ip address 12.0.0.1 24
[R6]int g 0/0/0
[R6GigabitEthernet0/0/1]ip address 12.0.0.2 24
[R6-GigabitEthernet0/0/1]int LoopBack 0
[R6-LoopBack0]ip address 1.1.1.1 24
映射
R5:
[R5]interface GigabitEthernet 0/0/1
[R5-GigabitEthernet0/0/1]nat server protocol tcp global current-interface 23 inside 192.168.1.1 23
Warning:The port 23 is well-known port. If you continue it may cause function fa
ilure.
Are you sure to continue?[Y/N]:y
建立一对多的NAT关系,让R1-R5均可以R6的环回
R5:
[R5]acl 2000
[R5-acl-basic-2000]rule permit source 192.168.1.0 0.0.0.255
[R5-acl-basic-2000]int g0/0/1
[R5-GigabitEthernet0/0/1]nat outbound 2000