VLAN Configuration Example 2

vlan-topology

Cisco VLAN Config Commands

 

In this lesson we will learn How to Configure VLANs on Cisco devices, we will learn VLAN Configuration Cisco. Here, we will see the necessary commands for Cisco VLAN Configuration. You can also check VLAN Configuration Example on Packet Tracer lesson to learn and practice more on VLAN Configurations.


 

Cisco VLAN Creation

To Configure Cisco VLAN, firstly create the VLAN with the VLAN ID and then give it a name;
(The standard VLAN number range is 1 to 1005. 1002 to 1005 is reserved for Token Ring and FDDI. And lastly 1006 to 4094 range is used by VTP transparent mode)

Switch A (config)# vlan 2

Switch A (config-vlan)# name SecondDepartment


 

VLAN Port Assignment

In Cisco VLAN Config, to assign a port to a VLAN firstly make that port access(because it will be an access port) then assign it to the VLAN;

Switch A (config)# interface fa0/0

Switch A (config-if)# switchport mode access
Switch A (config-if)# switchport access vlan 2

 

VLAN Trunk Configuration

To configure a VLAN Trunk port manually (better than using DTP);

Switch A (config)# interface fa0/1

Switch A (config-if)# switchport mode trunk
Switch(config-if)# switchport nonegotiate

Now let’s check to configure a trunk by using DTP(Dynamic Trunking Protocol) on Cisco VLAN Config;
(to actively form a trunk by desirable and pasively wait the other end to form a trunk by auto)

Switch(config)# interface fa0/1
Switch(config-if)# switchport mode dynamic desirable

Switch(config-if)# switchport mode dynamic auto

 

To select frame tagging protocol (for VLAN transfer between swicthes):

 

Switch A (config-if)# switchport trunk encapsulation isl

 

OR

 

Switch A (config-if)# switchport trunk encapsulation dot1.qOR (using DTP)

 

Lesson tags: VLANs
Back to: CCIE Enterprise Infrastructure > VLANs

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