Pada artikel ini kita akan melakukan konfigurasi VLAN Trunk pada Switch Cisco

Pada materi VLAN ACCESS dijelaskan bahwa perangkat akan terhubung jika masih dalam 1 vlan id , dan juga pada 1 interface switch hanya dapat menampung 1 vlan saja. VLAN Trunk digunakan untuk membawa banyak vlan pada 1 interface switch. Jika pada VLAN ACCESS sebagian besar digunakan untuk menghubungkan end device (komputer), VLAN TRUNK digunakan untuk menghubungkan vlan antar switch atau antar router.
VLAN pada masing - masing switchSwitch 1
Switch-1>enable
Switch-1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch-1(config)#vlan 10
Switch-1(config-vlan)#name ruang-guru
Switch-1(config-vlan)#exit
Switch-1(config)#vlan 20
Switch-1(config-vlan)#name ruang-meeting
Switch-1(config-vlan)#exit
Switch-1(config)#Switch 2
Switch-2>enable
Switch-2#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch-2(config)#vlan 10
Switch-2(config-vlan)#name ruang-guru
Switch-2(config-vlan)#exit
Switch-2(config)#vlan 20
Switch-2(config-vlan)#name ruang-meeting
Switch-2(config-vlan)#exit
Switch-2(config)#VLAN Access pada interface yang mengarah ke end device (komputer)Switch 1
| Perangkat | Terhubung ke interface switch | VLAN ID |
|---|---|---|
| PC0 | FastEthernet0/2 | 10 |
| PC1 | FastEthernet0/3 | 20 |
Switch-1(config)#interface fastEthernet 0/2
Switch-1(config-if)#switchport mode access
Switch-1(config-if)#switchport access vlan 10
Switch-1(config-if)#exit
Switch-1(config)#interface fastEthernet 0/3
Switch-1(config-if)#switchport mode access
Switch-1(config-if)#switchport access vlan 20
Switch-1(config-if)#exit
Switch-1(config)#Switch 2
| Perangkat | Terhubung ke interface switch | VLAN ID |
|---|---|---|
| PC2 | FastEthernet0/2 | 10 |
| PC3 | FastEthernet0/3 | 20 |
Switch-2(config)#interface fastEthernet0/2
Switch-2(config-if)#switchport mode access
Switch-2(config-if)#switchport access vlan 10
Switch-2(config-if)#exit
Switch-2(config)#interface fastEthernet0/3
Switch-2(config-if)#switchport mode access
Switch-2(config-if)#switchport access vlan 20
Switch-2(config-if)#exit
Switch-2(config)#Switch 1
Switch-1(config)#interface fastEthernet 0/1
Switch-1(config-if)#switchport mode trunk
Switch-1(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Switch-1(config-if)#switchport trunk allowed vlan 10,20
Switch-1(config-if)#exit
Switch-1(config)#Switch 2
Switch-2(config)#interface fastEthernet 0/1
Switch-2(config-if)#switchport mode trunk
Switch-2(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Switch-2(config-if)#switchport trunk allowed vlan 10,20
Switch-2(config-if)#exit