思科交换机学习第八课：路由器单臂路由配置实现vlan互通_思科路由器配置vlan

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Switch>enable

2960 Switch#configure terminal Switch(config)#vlan 2 Switch(config-vlan)#exit

第一步创建vlan Switch(config)#vlan 3 Switch(config-vlan)#exit Switch(config)#interface fastEthernet 0/2 Switch(config-if)#switchport acce vlan 2 Switch(config-if)#exit Switch(config)#interface fastEthernet 0/3

端口划分vlan Switch(config-if)#switchport acce vlan 3 Switch(config-if)#exit Switch(config)#interface fastEthernet 0/1 Switch(config-if)#switchport mode trunk

交换机跟路由器连接的端口改为trunk Switch(config-if)#exit

Router>enable

开启路由器端口 Router#configure terminal

Router(config)#interface fastEthernet 0/0 Router(config-if)#no shutdown Router(config-if)#exit Router(config)#interface fastEthernet 0/0.1

进入子端口 Router(config-subif)# %LINK-5-CHANGED: Interface FastEthernet0/0.1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.1, changed state to up

Router(config-subif)#encapsulation dot1Q 2 Router(config-subif)#ip addre 192.168.1.1 255.255.255.0 Router(config-subif)#exit Router(config)#interface fastEthernet 0/0.2

进入子端口 Router(config-subif)# %LINK-5-CHANGED: Interface FastEthernet0/0.2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.2, changed state to up

Router(config-subif)#encapsulation dot1Q 3 Router(config-subif)#ip addre 192.168.2.1 255.255.255.0 Router(config-subif)#end Router#show ip route

Codes: Cstatic, IRIP, MBGP

DEIGRP external, OOSPF inter area

N1OSPF NSSA external type 2

E1OSPF external type 2, EIS-IS, L1IS-IS level-2, iacandidate default, UODR

P-periodic downloaded static route

Gateway of last resort is not set

192.168.1.0/24 is directly connected, FastEthernet0/0.1 C

192.168.2.0/24 is directly connected, FastEthernet0/0.2

dot1q就是802.1q,是vlan的一种封装方式。