三台路由器和两台PC机
配置R1的路由
<RT1>
#Oct 11 20:08:28:820 2017 RT1 SHELL/4/LOGIN:
Trap 1.3.6.1.4.1.25506.2.2.1.1.3.0.1<hh3cLogIn>: login from Console
%Oct 11 20:08:28:820 2017 RT1 SHELL/5/SHELL_LOGIN: Console logged in from con0.
<RT1>
<RT1>sys
<RT1>system-view
System View: return to User View with Ctrl+Z.
[RT1]int
[RT1]interface g
[RT1]interface GigabitEthernet 0/0/0
[RT1-GigabitEthernet0/0/0]ip add
[RT1-GigabitEthernet0/0/0]ip address 192.168.1.1 24
[RT1-GigabitEthernet0/0/0]int g0/0/1
[RT1-GigabitEthernet0/0/1]ip add
[RT1-GigabitEthernet0/0/1]ip address 192.168.2.1 24
[RT1-GigabitEthernet0/0/1]dis
[RT1-GigabitEthernet0/0/1]display ip int br
[RT1-GigabitEthernet0/0/1]display ip int brief
*down: administratively down
(s): spoofing
Interface Physical Protocol IP Address Description
GigabitEthernet0/0/0 up up 192.168.1.1 GigabitEt...
GigabitEthernet0/0/1 up up 192.168.2.1 GigabitEt...
GigabitEthernet0/0/2 down down unassigned GigabitEt...
GigabitEthernet0/0/3 down down unassigned GigabitEt...
Serial0/1/0 down down unassigned Serial0/1...
Serial0/1/1 down down unassigned Serial0/1...
Serial0/1/2 down down unassigned Serial0/1...
Serial0/1/3 down down unassigned Serial0/1...
[RT1-GigabitEthernet0/0/1]display ip routing-table
Routing Tables: Public
Destinations : 6 Routes : 6
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.1.0/24 Direct 0 0 192.168.1.1 GE0/0/0
192.168.1.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.2.0/24 Direct 0 0 192.168.2.1 GE0/0/1
192.168.2.1/32 Direct 0 0 127.0.0.1 InLoop0
[RT1-GigabitEthernet0/0/1]
[RT1-GigabitEthernet0/0/1]quit
[RT1]ip route
[RT1]ip route-
[RT1]ip route-static 192.168.3.0 24 192.168.2.2
[RT1]ip route
[RT1]ip route-s
[RT1]ip route-static 192.168.4.0 24 192.168.3.2
[RT1]dis
[RT1]display ip route
[RT1]display ip routes
[RT1]display ip route-
[RT1]display ip route-
[RT1]display ip route-s
[RT1]display ip route-t
[RT1]display ip rout
[RT1]display ip routing-table
Routing Tables: Public
Destinations : 8 Routes : 8
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.1.0/24 Direct 0 0 192.168.1.1 GE0/0/0
192.168.1.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.2.0/24 Direct 0 0 192.168.2.1 GE0/0/1
192.168.2.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.3.0/24 Static 60 0 192.168.2.2 GE0/0/1
192.168.4.0/24 Static 60 0 192.168.3.2 GE0/0/1
配置R2的路由
<RT2>
#Oct 11 20:18:52:357 2017 RT2 SHELL/4/LOGIN:
Trap 1.3.6.1.4.1.25506.2.2.1.1.3.0.1<hh3cLogIn>: login from Console
%Oct 11 20:18:52:357 2017 RT2 SHELL/5/SHELL_LOGIN: Console logged in from con0.
<RT2>sys
<RT2>system-view
System View: return to User View with Ctrl+Z.
[RT2]int
[RT2]interface g
[RT2]interface GigabitEthernet 0/0/0
[RT2-GigabitEthernet0/0/0]ip add
[RT2-GigabitEthernet0/0/0]ip address 192.168.2.2 24
[RT2-GigabitEthernet0/0/0]undo sh
Interface GigabitEthernet0/0/0 is not shut down
[RT2-GigabitEthernet0/0/0]int
[RT2-GigabitEthernet0/0/0]int g
[RT2-GigabitEthernet0/0/0]int g0/0/1
[RT2-GigabitEthernet0/0/1]ip add
[RT2-GigabitEthernet0/0/1]ip address 192.168.3.1 24
[RT2-GigabitEthernet0/0/1]undo sh
Interface GigabitEthernet0/0/1 is not shut down
[RT2-GigabitEthernet0/0/1]dis
[RT2-GigabitEthernet0/0/1]display ip int br
[RT2-GigabitEthernet0/0/1]display ip int brief
*down: administratively down
(s): spoofing
Interface Physical Protocol IP Address Description
GigabitEthernet0/0/0 up up 192.168.2.2 GigabitEt...
GigabitEthernet0/0/1 up up 192.168.3.1 GigabitEt...
GigabitEthernet0/0/2 down down unassigned GigabitEt...
GigabitEthernet0/0/3 down down unassigned GigabitEt...
Serial0/1/0 down down unassigned Serial0/1...
Serial0/1/1 down down unassigned Serial0/1...
Serial0/1/2 down down unassigned Serial0/1...
Serial0/1/3 down down unassigned Serial0/1...
[RT2-GigabitEthernet0/0/1]dis
[RT2-GigabitEthernet0/0/1]display ip route
[RT2-GigabitEthernet0/0/1]display ip rout
[RT2-GigabitEthernet0/0/1]display ip routing-table
Routing Tables: Public
Destinations : 6 Routes : 6
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.2.0/24 Direct 0 0 192.168.2.2 GE0/0/0
192.168.2.2/32 Direct 0 0 127.0.0.1 InLoop0
192.168.3.0/24 Direct 0 0 192.168.3.1 GE0/0/1
192.168.3.1/32 Direct 0 0 127.0.0.1 InLoop0
[RT2-GigabitEthernet0/0/1]
[RT2-GigabitEthernet0/0/1]quit
[RT2]ip rout
[RT2]ip route-s
[RT2]ip route-static 192.168.1.0 24 192.168.2.1
[RT2]ip route
[RT2]ip route-s
[RT2]ip route-static 192.168.4.0 24 192.168.3.2
[RT2]dis
[RT2]display ip
[RT2]display ip r
[RT2]display ip routing-table
Routing Tables: Public
Destinations : 8 Routes : 8
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.1.0/24 Static 60 0 192.168.2.1 GE0/0/0
192.168.2.0/24 Direct 0 0 192.168.2.2 GE0/0/0
192.168.2.2/32 Direct 0 0 127.0.0.1 InLoop0
192.168.3.0/24 Direct 0 0 192.168.3.1 GE0/0/1
192.168.3.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.4.0/24 Static 60 0 192.168.3.2 GE0/0/1
配置R3的路由
<RT3>
<RT3>sys
<RT3>system-view
System View: return to User View with Ctrl+Z.
[RT3]int
[RT3]interface g
[RT3]interface GigabitEthernet 0/0/0
[RT3-GigabitEthernet0/0/0]ip add
[RT3-GigabitEthernet0/0/0]ip address 192.168.3.2 24
[RT3-GigabitEthernet0/0/0]int
[RT3-GigabitEthernet0/0/0]int g0/0/1
[RT3-GigabitEthernet0/0/1]ip add
[RT3-GigabitEthernet0/0/1]ip address 192.168.4.1 24
[RT3-GigabitEthernet0/0/1]undo sh
Interface GigabitEthernet0/0/1 is not shut down
[RT3-GigabitEthernet0/0/1]dis
[RT3-GigabitEthernet0/0/1]display ip route
[RT3-GigabitEthernet0/0/1]display ip int br
[RT3-GigabitEthernet0/0/1]display ip int brief
*down: administratively down
(s): spoofing
Interface Physical Protocol IP Address Description
GigabitEthernet0/0/0 up up 192.168.3.2 GigabitEt...
GigabitEthernet0/0/1 up up 192.168.4.1 GigabitEt...
GigabitEthernet0/0/2 down down unassigned GigabitEt...
GigabitEthernet0/0/3 down down unassigned GigabitEt...
Serial0/1/0 down down unassigned Serial0/1...
Serial0/1/1 down down unassigned Serial0/1...
Serial0/1/2 down down unassigned Serial0/1...
Serial0/1/3 down down unassigned Serial0/1...
[RT3-GigabitEthernet0/0/1]dis
[RT3-GigabitEthernet0/0/1]display ip route
[RT3-GigabitEthernet0/0/1]display ip rout
[RT3-GigabitEthernet0/0/1]display ip routing-table
Routing Tables: Public
Destinations : 6 Routes : 6
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.3.0/24 Direct 0 0 192.168.3.2 GE0/0/0
192.168.3.2/32 Direct 0 0 127.0.0.1 InLoop0
192.168.4.0/24 Direct 0 0 192.168.4.1 GE0/0/1
192.168.4.1/32 Direct 0 0 127.0.0.1 InLoop0
[RT3-GigabitEthernet0/0/1]quit
[RT3]ip route
[RT3]ip route-s
[RT3]ip route-static 192.168.2.0 24 192.168.3.1
[RT3]ip route
[RT3]ip route-s
[RT3]ip route-static 192.168.1.0 24 192.168.2.1
[RT3]dis
[RT3]display ip rout
[RT3]display ip routing-table
Routing Tables: Public
Destinations : 8 Routes : 8
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.1.0/24 Static 60 0 192.168.2.1 GE0/0/0
192.168.2.0/24 Static 60 0 192.168.3.1 GE0/0/0
192.168.3.0/24 Direct 0 0 192.168.3.2 GE0/0/0
192.168.3.2/32 Direct 0 0 127.0.0.1 InLoop0
192.168.4.0/24 Direct 0 0 192.168.4.1 GE0/0/1
192.168.4.1/32 Direct 0 0 127.0.0.1 InLoop0
测试两台PC机的连通
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原文：http://guochenyong.blog.51cto.com/11367898/1971528