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标题: 用路由器实现VLAN间的互通 [查看完整版帖子] [打印本页]
时间: 2026-7-27 11:20
作者: zhangzhe369
标题: 用路由器实现VLAN间的互通
交换机的配置:
SW2950#configure t
SW2950(config)#vlan 2
SW2950(config)#vlan 3
SW2950(config)#int fastEthernet 0/1
SW2950(config-if)#switchport mode trunk
SW2950(config-if)#no shutdown
SW2950(config)#int fastEthernet 0/2
SW2950(config-if)#switchport mode access
SW2950(config-if)#switchport access vlan 2
SW2950(config-if)#int fas0/3
SW2950(config-if)#switchport mode access
SW2950(config-if)#switchport access vlan 3
SW2950(config-if)#end
SW2950#sho vlan
VLAN Name Status Ports
------------------------------------ --------- -------------------------------
1 default active Fa0/1, Fa0/5, Fa0/6, Fa0/7
Fa0/8, Fa0/9, Fa0/10, Fa0/11
Fa0/12, Fa0/13, Fa0/14, Fa0/15
Fa0/16, Fa0/17, Fa0/18, Fa0/19
Fa0/20, Fa0/21, Fa0/22, Fa0/23
Fa0/24
2 VLAN0002 active Fa0/2
3 VLAN0003 active Fa0/3
SW2950#
SW2950#show interfaces fastEthernet 0/1 switchport
Name: Fa0/1
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: up
Administrative Trunking Encapsulation: isl
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Voice VLAN: none
Administrative private-vlanhost-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk nativeVLAN: none
Administrative private-vlan trunkencapsulation: isl
Administrative private-vlan trunk normalVLANs: none
Administrative private-vlan trunk privateVLANs: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Appliance trust: none
SW2950#
路由器的配置:
interface fastethernet 0/0
no ip address
no shutdown
interface ethernet 0/0.2
ip address 10.1.1.1 255.255.255.0 //VLAN2的网关
encapsulation isl 2
interface ethernet 0/0.3
ip address 10.2.2.1 255.255.255.0 //vlan3的网关
encapsulation isl 3
交换机的配置:
SW2950#configure t
SW2950(config)#vlan 2
SW2950(config)#vlan 3
SW2950(config)#int fastEthernet 0/1
SW2950(config-if)#switchport mode trunk
SW2950(config-if)#no shutdown
SW2950(config)#int fastEthernet 0/2
SW2950(config-if)#switchport mode access
SW2950(config-if)#switchport access vlan 2
SW2950(config-if)#int fas0/3
SW2950(config-if)#switchport mode access
SW2950(config-if)#switchport access vlan 3
SW2950(config-if)#end
SW2950#sho vlan
VLAN Name Status Ports
---- ----------------------------------------- -------------------------------
1 default active Fa0/1, Fa0/5, Fa0/6,Fa0/7
Fa0/8, Fa0/9,Fa0/10, Fa0/11
Fa0/12, Fa0/13, Fa0/14, Fa0/15
Fa0/16, Fa0/17, Fa0/18, Fa0/19
Fa0/20, Fa0/21, Fa0/22, Fa0/23
Fa0/24
2 VLAN0002 active Fa0/2
3 VLAN0003 active Fa0/3
SW2950#
SW2950#show interfaces fastEthernet 0/1 switchport
Name: Fa0/1
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: up
Administrative Trunking Encapsulation: dot1q
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Voice VLAN: none
Administrative private-vlanhost-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk nativeVLAN: none
Administrative private-vlan trunkencapsulation: dot1q
Administrative private-vlan trunk normalVLANs: none
Administrative private-vlan trunk privateVLANs: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Appliance trust: none
SW2950#
路由器的配置:
interface fastethernet 0/0
no ip address
no shutdown
interface ethernet 0/0.2
ip address 10.1.1.1 255.255.255.0 //VLAN2的网关
encapsulation dot1q 2
interface ethernet 0/0.3
ip address 10.2.2.1 255.255.255.0 //vlan3的网关
encapsulation dot1q 3
时间: 2026-7-27 11:25
作者: 管局保安员
感谢技术分享
时间: 2026-7-27 15:38
作者: xhy133
感谢技术分享
时间: 2026-7-29 07:57
作者: 777888999
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