三层交换机配置
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三层交换机配置：
Switch>enable
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#interface f0/2
Switch(config-if)#switchport mode trunk
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
Switch(config-if)#switchport trunk allowed vlan 10;vlan 20;vlan 30
^
% Invalid input detected at '^' marker.
Switch(config-if)#switchport trunk allowed vlan 10
Switch(config-if)#switchport trunk allowed vlan 20
Switch(config-if)#switchport trunk allowed vlan 30
Switch(config-if)#exit
Switch(config)#interface f0/3
Switch(config-if)#switchport mode trunk
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
Switch(config-if)#switchport trunk allowed vlan 30;40;50
Switch(config-if)#exit
Switch(config)#vlan 10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#exit
Switch(config)#vlan 10
Switch(config-vlan)#exit
Switch(config)#vlan 30
Switch(config-vlan)#exit
Switch(config)#vlan 40
Switch(config-vlan)#exit
Switch(config)#vlan 50
Switch(config-vlan)#exit
Switch(config)#interface vlan 10
%LINK-5-CHANGED: Interface Vlan10, changed state to up
Switch(config-if)#ip address 192.168.1.1 255.255.255.0
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 20
%LINK-5-CHANGED: Interface Vlan20, changed state to up
Switch(config-if)#ip address 192.168.1.33 255.255.255.0
% 192.168.1.0 overlaps with Vlan10
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#??
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up Switch(config)#interface vlan 30
%LINK-5-CHANGED: Interface Vlan30, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to up
Switch(config-if)#ip address 192.168.1.65 255.255.255.0
% 192.168.1.0 overlaps with Vlan10
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 40
%LINK-5-CHANGED: Interface Vlan40, changed state to up
Switch(config-if)#ip address 192.168.1.97 255.255.255.0
% 192.168.1.0 overlaps with Vlan10
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 50
%LINK-5-CHANGED: Interface Vlan50, changed state to up
Switch(config-if)#ip address 192.168.1.129 255.255.255.0
% 192.168.1.0 overlaps with Vlan10
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 20
Switch(config-if)#ip address 192.168.2.1 255.255.255.0
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 30
Switch(config-if)#ip address 192.168.3.1 255.255.255.0
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 40
Switch(config-if)#ip address 192.168.4.1 255.255.255.0