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  • Trunk port configuration (Cisco)

    Design & Configure

    Trunk port configuration (Cisco)

    Technology: Switching
    Area: VLAN
    Vendor: Cisco
    Software: 12.X , 15.X, IP Base, IP Services, LAN Base, LAN Light
    Platform: Catalyst 2960-X, Catalyst 3560

    Trunk port configuration example to carry the different VLAN tags between two devices on the same physical link. Vendor agnostic technology (IEEE 802.1Q)

    Switch(config)# interface GigabitEthernet 0/0/10
    Switch(config-if)# switchport trunk encapsulation dot1q
    Switch(config-if)# switchport mode trunk

    By default this configuration allows all VLANs to be transmitted over the trunk link. To restrict the link to carry only specified VLANs use the allowed vlan command

    Switch(config)# interface GigabitEthernet 0/0/10
    Switch(config-if)# switchport trunk allowed vlan 1,2,3,4

    To verify how the trunk port is configured you can issue few show commands:

    Switch# show run interface GigabitEthernet 0/0/10
    Switch# show interface trunk

     

     

    Check how to configure access port.

    Author: Marcin Bialy
     
    Grandmetric