题目
拓扑图
R1配置:
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 192.168.1.1 30
[R1-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 192.168.1.5 30
[R1]interface LoopBack 0
[R1-LoopBack0]ip address 192.168.1.33 28
[R1-LoopBack0]int l1
[R1-LoopBack1]ip address 192.168.1.49 28
R2配置:
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip address 192.168.1.2 30
[R2-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1]ip address 192.168.1.9 30
[R2]interface LoopBack 0
[R2-LoopBack0]ip address 192.168.1.65 28
[R2-LoopBack0]interface LoopBack 1
[R2-LoopBack1]ip address 192.168.1.81 28
R3配置:
[R3]interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]ip address 192.168.1.6 30
[R3-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1
[R3-GigabitEthernet0/0/1]ip address 192.168.1.13 30
[R3-GigabitEthernet0/0/1]interface GigabitEthernet 0/0/2
[R3-GigabitEthernet0/0/2]ip address 192.168.1.97 27
R4配置:
[R4]interface GigabitEthernet 0/0/0
[R4-GigabitEthernet0/0/0]ip address 192.168.1.10 30
[R4-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1
[R4-GigabitEthernet0/0/1]ip address 192.168.1.14 30
[R4-GigabitEthernet0/0/1]interface GigabitEthernet 0/0/2
[R4-GigabitEthernet0/0/2]ip address 192.168.1.17 30
[R4-GigabitEthernet0/0/2]interface GigabitEthernet 1/0/0
[R4-GigabitEthernet1/0/0]ip address 192.168.1.21 30
[R4]interface LoopBack 0
[R4-LoopBack0]ip address 192.168.1.129 28
[R4-LoopBack0]interface LoopBack 1
[R4-LoopBack1]ip address 192.168.1.145 28
R5配置:
[R5]interface GigabitEthernet 0/0/0
[R5-GigabitEthernet0/0/0]ip address 192.168.1.18 30
[R5-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/2
[R5-GigabitEthernet0/0/2]ip address 192.168.1.22 30
[R5-GigabitEthernet0/0/2]interface GigabitEthernet 0/0/1
[R5-GigabitEthernet0/0/1]ip address 12.1.1.1 24
[R5]interface LoopBack 0
[R5-LoopBack0]ip address 192.168.1.161 28
isp:
[isp]interface GigabitEthernet 0/0/0
[isp-GigabitEthernet0/0/0]ip address 12.1.1.2 24
[isp]interface LoopBack 0
[isp-LoopBack0]ip address 1.1.1.1 24
PC1,PC2用DHCP自动获取IP地址。
[R3]dhcp enable
[R3]ip pool 1
[R3-ip-pool-1]network 192.168.1.96 mask 27
[R3-ip-pool-1]gateway-list 192.168.1.97
[R3-ip-pool-1]int g0/0/2
[R3-GigabitEthernet0/0/2]dhcp select global
配置静态路由和缺省路由
R1:
[R1]ip route-static 192.168.1.8 30 192.168.1.2
[R1]ip route-static 192.168.1.16 30 192.168.1.2
[R1]ip route-static 192.168.1.12 30 192.168.1.6
[R1]ip route-static 192.168.1.20 30 192.168.1.6
[R1]ip route-static 192.168.1.16 30 192.168.1.6
[R1]ip route-static 192.168.1.20 30 192.168.1.2
[R1]ip route-static 192.168.1.64 27 192.168.1.2
[R1]ip route-static 192.168.1.128 27 192.168.1.2
[R1]ip route-static 192.168.1.160 27 192.168.1.2
[R1]ip route-static 192.168.1.96 27 192.168.1.6
[R1]ip route-static 192.168.1.128 27 192.168.1.6
[R1]ip route-static 192.168.1.160 27 192.168.1.6
[R1]ip route-static 0.0.0.0 0 192.168.1.2
[R1]ip route-static 0.0.0.0 0 192.168.1.6
[R5]ip route-static 192.168.1.32 27 NULL 0
R2:
[R2]ip route-static 192.168.1.16 30 192.168.1.10
[R2]ip route-static 192.168.1.20 30 192.168.1.10
[R2]ip route-static 192.168.1.12 30 192.168.1.10
[R2]ip route-static 192.168.1.96 27 192.168.1.10
[R2]ip route-static 192.168.1.4 30 192.168.1.1
[R2]ip route-static 192.168.1.96 27 192.168.1.1
[R2]ip route-static 192.168.1.32 27 192.168.1.1
[R2]ip route-static 192.168.1.128 27 192.168.1.10
[R2]ip route-static 192.168.1.160 27 192.168.1.10
[R2]ip route-static 0.0.0.0 0 192.168.1.10
[R5]ip route-static 192.168.1.64 27 NULL 0
R3:
[R3]ip route-static 192.168.1.0 30 192.168.1.5
[R3]ip route-static 192.168.1.8 30 192.168.1.14
[R3]ip route-static 192.168.1.16 30 192.168.1.14
[R3]ip route-static 192.168.1.20 30 192.168.1.14
[R3]ip route-static 192.168.1.32 27 192.168.1.5
[R3]ip route-static 192.168.1.64 27 192.168.1.5
[R3]ip route-static 192.168.1.128 27 192.168.1.14
[R3]ip route-static 192.168.1.64 27 192.168.1.14
[R3]ip route-static 192.168.1.160 27 192.168.1.14
[R3]ip route-static 0.0.0.0 0 192.168.1.14
[R5]ip route-static 192.168.1.96 27 NULL 0
R4:
[R4]ip route-static 192.168.1.0 30 192.168.1.9
[R4]ip route-static 192.168.1.4 30 192.168.1.13
[R4]ip route-static 192.168.1.96 27 192.168.1.13
[R4]ip route-static 192.168.1.32 27 192.168.1.13
[R4]ip route-static 192.168.1.64 27 192.168.1.9
[R4]ip route-static 192.168.1.32 27 192.168.1.9
[R4]ip route-static 192.168.1.160 27 192.168.1.18
[R4]ip route-static 192.168.1.160 27 192.168.1.22
[R4]ip route-static 0.0.0.0 0 192.168.1.18
[R4]ip route-static 0.0.0.0 0 192.168.1.22 preference 61
[R5]ip route-static 192.168.1.128 27 NULL 0
R5:
[R5]ip route-static 192.168.1.8 30 192.168.1.17
[R5]ip route-static 192.168.1.8 30 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.0 30 192.168.1.17
[R5]ip route-static 192.168.1.0 30 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.4 30 192.168.1.17
[R5]ip route-static 192.168.1.4 30 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.12 30 192.168.1.17
[R5]ip route-static 192.168.1.12 30 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.32 27 192.168.1.17
[R5]ip route-static 192.168.1.32 27 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.64 27 192.168.1.17
[R5]ip route-static 192.168.1.64 27 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.96 27 192.168.1.17
[R5]ip route-static 192.168.1.96 27 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.128 27 192.168.1.17
[R5]ip route-static 192.168.1.128 27 192.168.1.21 preference 61
[R5]ip route-static 192.168.1.160 27 NULL 0
nat实现全网可达
[R5]acl 2000
[R5-acl-basic-2000]rule per
[R5-acl-basic-2000]rule permit sou
[R5-acl-basic-2000]rule permit source 192.168.1.0 0.0.0.255
[R5-acl-basic-2000]q
[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]nat out
[R5-GigabitEthernet0/0/1]nat outbound 2000
R1上设置telnet服务:
[R1]aaa
[R1-aaa]local-use
[R1-aaa]local-user chs pr
[R1-aaa]local-user chs privilege lev
[R1-aaa]local-user chs privilege level 15 pass
[R1-aaa]local-user chs privilege level 15 password ci
[R1-aaa]local-user chs privilege level 15 password cipher 123456
Info: Add a new user.
[R1-aaa]local-u
[R1-aaa]local-user chs ser
[R1-aaa]local-user chs service-type tel
[R1-aaa]local-user chs service-type telnet
[R1-aaa]q
[1]user
[1]user-int
[R1]user-interface vty 0 4
[R1-ui-vty0-4]au
[R1-ui-vty0-4]authentication-mode aaa
映射转换
[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]nat ser
[R5-GigabitEthernet0/0/1]nat server pr
[R5-GigabitEthernet0/0/1]nat server protocol tcp g
[R5-GigabitEthernet0/0/1]nat server protocol tcp global cu
[R5-GigabitEthernet0/0/1]nat server protocol tcp global current-interface 23 ins
ide 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
[R5-GigabitEthernet0/0/1]

实验完成
文章详细描述了多台路由器的网络配置,包括接口IP地址设置、DHCP服务器配置、静态路由和默认路由的配置,以及NAT实现全网可达和开放Telnet服务的过程,还涉及AAA认证设置和端口映射规则。
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