如图所示:

在GNS3做单臂路由实验_路由器配置


路由器模拟PC,R2模拟PC1,R3模拟PC2,R4模拟PC3。配置如下:

PC1:

R2#conf t

R2(config)#int f0/0

R2(config-if)#ip add

R2(config-if)#ip address 192.168.1.1 255.255.255.0

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#ip default-gateway 192.168.1.254 (配置PC网关)

R2(config)#no ip routing

R2(config)#end

R2#


PC2

R3#conf t

R3(config)#int f0/0

R3(config-if)#ip address 192.168.2.1 255.255.255.0

R3(config-if)#no sh

R3(config-if)#exit

R3(config)#no ip routing

R3(config)#ip default-gateway 192.168.2.254(配置PC网关)

R3(config)#end

R3#


PC3:

R4#

R4#conf t

R4(config)#int f0/0

R4(config-if)#ip address 192.168.3.1 255.255.255.0

R4(config-if)#no sh

R4(config-if)#exit

R4(config)#

R4(config)#no ip routing

R4(config)#ip default-gateway 192.168.3.254(配置PC网关)

R4(config)#end

R4#


ESW1

ESW1#

ESW1#vlan database

ESW1(vlan)#vlan 10 name vlan10

VLAN 10 added:

Name: vlan10

ESW1(vlan)#vlan 20 name vlan20

VLAN 20 added:

Name: vlan20

ESW1(vlan)#vlan 30 name vlan30

VLAN 30 added:

Name: vlan30

ESW1(vlan)#exit

APPLY completed.

Exiting....

ESW1#conf t

ESW1(config)#int f1/0

ESW1(config-if)#switchport mode access

ESW1(config-if)#switchport access vlan 10(把端口加入vlan 10)

ESW1(config-if)#no sh

ESW1(config-if)#exit

ESW1(config)#int f1/1

ESW1(config-if)#switchport mode access

ESW1(config-if)#switchport access vlan 20(把端口加入vlan 20)

ESW1(config-if)#no shutdown

ESW1(config-if)#exit

ESW1(config)#interface f1/2

ESW1(config-if)#switchport mode access

ESW1(config-if)#switchport access vlan 30(把端口加入vlan 30)

ESW1(config-if)#no shutdown

ESW1(config-if)#exit

ESW1(config)#int f1/3

ESW1(config-if)#no sh

ESW1(config-if)#switchport mode trunk

ESW1(config-if)#switchport trunk encapsulation dot1q(二层端口封装802.1q协议(dot1q),也就是trunk链路的中继协议)

ESW1(config-if)#end

ESW1#




R1

R1#conf t

R1(config)#int f0/0

R1(config-if)#no shutdown

R1(config-if)#exit

R1(config)#int f0/0.1(进入子端口)

R1(config-subif)#ip address 192.168.1.254 255.255.255.0

R1(config-subif)#no sh

R1(config-subif)#encapsulation dot1Q 10(路由器配置了dot1q中继封装,10是vlan 10)

R1(config-subif)#exit

R1(config)#int f0/0.2(进入子端口)

R1(config-subif)#ip address 192.168.2.254 255.255.255.0

R1(config-subif)#encapsulation dot1Q 20(路由器配置了dot1q中继封装,20是vlan 20)

R1(config-subif)#no sh

R1(config-subif)#exit

R1(config)#int f0/0.3(进入子端口)

R1(config-subif)#ip address 192.168.3.254 255.255.255.0

R1(config-subif)#encapsulation dot1Q 30(路由器配置了dot1q中继封装,30是vlan 30)

R1(config-subif)#no shutdown

R1(config-subif)#exit

R1(config)#end

R1#


验证一下

R2#ping 192.168.1.254(ping 网关


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.254, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/12/24 ms

R2#ping 192.168.2.1(ping


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 16/20/28 ms

R2#ping 192.168.3.1(ping


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.3.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 16/20/28 ms

R2#



R3#ping 192.168.2.254(ping 网关


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.254, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/11/24 ms

R3#ping 192.168.1.1(ping


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 16/24/32 ms

R3#ping 192.168.3.1(ping


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.3.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 12/22/32 ms

R3#


R4#ping 192.168.3.254(ping 网关

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.3.254, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/12/32 ms

R4#ping 192.168.1.1 (ping

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 16/22/40 ms

R4#ping 192.168.2.1(ping

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 12/20/36 ms

R4#

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