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思科跨路由器的单臂路由如何解决

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  思科拥有丰富的行业经验、先进的技术,路由器功能也在世界遥遥领先,那么你知道思科跨路由器的单臂路由如何解决吗?下面是学习啦小编整理的一些关于思科跨路由器的单臂路由如何解决的相关资料,供你参考。

  思科跨路由器的单臂路由解决的方法

  R1配置:

  R1#conf t

  R1(config)#int f0/0

  R1(config-if)#no shutdown

  R1(config-if)#int f0/0.2

  R1(config-subif)#encapsulation dot1q 2

  R1(config-subif)#ip address 192.168.2.254 255.255.255.0

  R1(config-subif)#no shutdown

  R1(config-subif)#exit

  R1(config)#int f0/0.3

  R1(config-subif)#encapsulation dot1q 3

  R1(config-subif)#ip address 192.168.3.254 255.255.255.0

  R1(config-subif)#no shutdown

  R1(config-subif)#exit

  R1(config)#int s1/0

  R1(config-if)#ip address 1.1.1.1 255.255.255.0

  R1(config-if)#no shutdown

  R1(config-if)#end

  R1#conf t

  R1(config)#router ospf 1

  R1(config-router)#network 192.168.2.0 0.0.0.255 area 0

  R1(config-router)#network 192.168.3.0 0.0.0.255 are 0

  R1(config-router)#network 1.1.1.0 0.0.0.255 area 0

  R1(config-router)#end

  R2配置:

  R2#conf t

  R2(config)#int s0/0

  R2(config-if)#ip address 1.1.1.2 255.255.255.0

  R2(config-if)#no shutdown

  R2(config-if)#clock rate 64000

  R2(config-if)#exit

  R2(config)#int s0/1

  R2(config-if)#ip address 2.1.1.1 255.255.255.0

  R2(config-if)#no shutdown

  R2(config-if)#clock rate 64000

  R2(config-if)#end

  R2#conf t

  R2(config)#router ospf 2

  R2(config-router)#network 2.1.1.0 0.0.0.255 area 0

  R2(config-router)#network 1.1.1.0 0.0.0.255 area 0

  R2(config-router)#end

  R3配置:

  R3#conf t

  R3(config)#int s1/0

  R3(config-if)#ip address 2.1.1.2 255.255.255.0

  R3(config-if)#no shutdown

  R3(config)#int f0/0

  R3(config-if)#no shutdown

  R3(config-if)#int f0/0.2

  R3(config-subif)#encapsulation dot1q 2

  R3(config-subif)#ip address 172.16.2.254 255.255.255.0

  R3(config-subif)#no shutdown

  R3(config-subif)#exit

  R3(config)#int f0/0.3

  R3(config-subif)#encapsulation dot1q 3

  R3(config-subif)#ip address 172.16.3.254 255.255.255.0

  R3(config-subif)#no shutdown

  R3(config-subif)#end

  R3(config)#router ospf 3

  R3(config-router)#network 172.16.2.0 0.0.0.255 area 0

  R3(config-router)#network 172.16.3.0 0.0.0.255 area 0

  R3(config-router)#network 2.1.1.0 0.0.0.255 area 0

  R3(config-router)#end

  查看路由表:

  R1#show ip route

  Gateway of last resort is not set

  1.0.0.0/24 is subnetted, 1 subnets

  C 1.1.1.0 is directly connected, Serial1/0

  2.0.0.0/24 is subnetted, 1 subnets

  O 2.1.1.0 [110/128] via 1.1.1.2, 00:03:37, Serial1/0

  172.16.0.0/24 is subnetted, 2 subnets

  O 172.16.2.0 [110/129] via 1.1.1.2, 00:03:37, Serial1/0

  O 172.16.3.0 [110/129] via 1.1.1.2, 00:03:37, Serial1/0

  C 192.168.2.0/24 is directly connected, FastEthernet0/0.2

  C 192.168.3.0/24 is directly connected, FastEthernet0/0.3

  R2#show ip route

  Gateway of last resort is not set

  1.0.0.0/24 is subnetted, 1 subnets

  C 1.1.1.0 is directly connected, Serial0/0

  2.0.0.0/24 is subnetted, 1 subnets

  C 2.1.1.0 is directly connected, Serial0/1

  172.16.0.0/24 is subnetted, 2 subnets

  O 172.16.2.0 [110/65] via 2.1.1.2, 00:03:37, Serial0/1

  O 172.16.3.0 [110/65] via 2.1.1.2, 00:03:37, Serial0/1

  O 192.168.2.0/24 [110/65] via 1.1.1.1, 00:03:37, Serial0/0

  O 192.168.3.0/24 [110/65] via 1.1.1.1, 00:03:37, Serial0/0

  R3#show ip route

  Gateway of last resort is not set

  1.0.0.0/24 is subnetted, 1 subnets

  O 1.1.1.0 [110/128] via 2.1.1.1, 00:03:43, Serial1/0

  2.0.0.0/24 is subnetted, 1 subnets

  C 2.1.1.0 is directly connected, Serial1/0

  172.16.0.0/24 is subnetted, 2 subnets

  C 172.16.2.0 is directly connected, FastEthernet0/0.2

  C 172.16.3.0 is directly connected, FastEthernet0/0.3

  O 192.168.2.0/24 [110/129] via 2.1.1.1, 00:03:43, Serial1/0

  O 192.168.3.0/24 [110/129] via 2.1.1.1, 00:03:43, Serial1/0

  SW1配置:

  SW1#vlan database

  SW1(vlan)#vlan 2

  SW1(vlan)#vlan 3

  SW1(vlan)#exit

  SW1#conf t

  SW1(config)#int f0/15

  SW1(config-if)#switchport mode trunk

  SW1(config-if)#switchport trunk encapsulation dot1q

  SW1(config-if)#exit

  SW1(config)#int f0/2

  SW1(config-if)#switchport mode access

  SW1(config-if)#switchport access vlan 2

  SW1(config-if)#exit

  SW1(config)#int f0/3

  SW1(config-if)#switchport mode access

  SW1(config-if)#switchport access vlan 3

  SW1(config-if)#end

  SW2配置:

  SW2#vlan database

  SW2(vlan)#vlan 2

  SW2(vlan)#vlan 3

  SW2(vlan)#exit

  SW2#conf t

  SW2(config)#int f0/15

  SW2(config-if)#switchport mode trunk

  SW2(config-if)#switchport trunk encapsulation dot1q

  SW2(config-if)#exit

  SW2(config)#int f0/2

  SW2(config-if)#switchport access vlan 2

  SW2(config-if)#exit

  SW2(config)#int f0/3

  SW2(config-if)#switchport mode access

  SW2(config-if)#switchport access vlan 3

  SW2(config-if)#end

  验证:

  PC1:

  PC1#ping 192.168.3.3

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 192.168.3.3, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 188/246/300 ms

  PC1#ping 172.16.2.2

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 172.16.2.2, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 408/487/528 ms

  PC1#ping 172.16.3.3

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 172.16.3.3, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 384/441/492 ms

  PC3:

  PC3#ping 172.16.3.3

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 172.16.3.3, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 168/258/348 ms

  PC3#ping 192.168.2.2

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 192.168.2.2, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 348/400/452 ms

  PC3#ping 192.168.3.3

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 192.168.3.3, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 312/396/516 ms

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