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vlan配置以及三层交换

2013-11-26 22:37 381 查看
拓扑图:




vlan配置:
对于交换机A:
<switchA>system-view
[switchA]vlan 2
[switchA-vlan2]port e0/2 to e0/4
[switchA-vlan2]vlan 3
[switchA-vlan3]port e0/5 to e0/7
[switchA-vlan3]quit
[switchA]int e0/8
[switchA-interface0/8]port link-type trunk
[switchA-interface0/8]port trunk permit vlan all

对于交换机B:
<switchB>system-view
[switchB]vlan 2
[switchB-vlan2]port e0/2 to e0/4
[switchB-vlan3]quit
[switchB]int e0/8
[switchB-interface0/8]port link-type trunk
[switchB-interface0/8]port trunk permit vlan all

检验:
pcA ping pcC 通
pcB ping pcC 不同
pcA ping pcB 不同

由此可知,相同的vlan可以相互通信,不同的vlan不可以通信。

三层交换:
对于交换机A:
<switchA>system-view
[switchA]vlan 2
[switchA-vlan2]port e0/2 to e0/4
[switchA-vlan2]int vlan 2
[switchA-vlan-interface2]ip address 192.168.1.1
[switchA-vlan2]vlan 3
[switchA-vlan3]port e0/5 to e0/7
[switchA-vlan-interface3]ip address 192.168.2.1
[switchA-vlan3]quit
[switchA]int e0/8
[switchA-interface0/8]port link-type trunk
[switchA-interface0/8]port trunk permit vlan all

对于交换机B:
<switchB>system-view
[switchB]vlan 2
[switchB-vlan2]port e0/2 to e0/4
[switchB-vlan2]int vlan 2
[switchB-vlan-interface2]ip address 192.168.1.3
[switchB-vlan2]quit
[switchB]int e0/8
[switchB-interface0/8]port link-type trunk
[switchB-interface0/8]port trunk permit vlan all

检验:
pcA、pcB和pcC相互访问
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