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为何我用3550做vlan路由不成功,具体配置见下,3550通过fa0/12 trunk 到 2950 fa0/12,2950划2个vlan,vlan 2、vlan 3,分别接4个pc.结果不同的vlan不能互相访问。。。?请问错在哪里??
一.3550配置
(1)激活vlan路由
Switch1#config t
Switch1(config)#ip routing
(2)创建2个VLAN
Switch1#
Switch1#vlan database
Switch1(vlan)#vlan 2
Switch1(vlan)#vlan 3
(3)给VLAN分配IP
Switch1#config t
Switch1(config)#int vlan 2
Switch1(config-if)#ip address 192.168.10.1 255.255.255.0
Switch1(config-if)#no shutdown
Switch1#config t
Switch1(config)#int vlan 3
Switch1(config-if)#ip address 192.168.10.2 255.255.255.0
Switch1(config-if)#no shutdown
(4)配Trunk
Switch1#
Switch1#config t
Switch1(config)#interface fa0/12
Switch1(config-if)#switchport trunk encapsulation doq1t
Switch1(config-if)#switchport mode trunk
Switch1(config-if)#end
二.2950配置
(1)配TRUNK
Switch2#
Swtich2#config t
Switch2(config)#interface fa0/12
Switch2(config-if)#switchport trunk encapsulation do1lt
Switch2(config-if)#switchport mode trunk
Switch2(config-if)#end
给接口分配VLAN号
switch2#vlan database
switch2#(vlan) vlan 2
switch2#(vlan) vlan 3
Switch2#config t
Switch2(config)#interface fastethernet0/1
Switch2(config-if)#switchport mode access
Switch2(config-if)#switchport access vlan2
Switch2(config)#interface fastethernet0/2
Switch2(config-if)#switchport mode access
Switch2(config-if)#switchport access vlan3 …
Switch2#config t
Switch2(config)#interface fastethernet0/3
Switch2(config-if)#switchport mode access
Switch2(config-if)#switchport access vlan2
Switch2(config)#interface fastethernet0/4
Switch2(config-if)#switchport mode access
Switch2(config-if)#switchport access vlan3 …
三。
fa0/1-----pc1---ip :192.168.10.11 255.255.255.0
fa0/2-----pc2---ip :192.168.10.12 255.255.255.0
fa0/3-----pc3---ip :192.168.10.13 255.255.255.0
fa0/4-----pc4---ip :192.168.10.14 255.255.255.0
--------------------
结果是:pc1和pc3 同一vlan可以通,但pc1和pc2 不能互通! |
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