Create VLAN Command Guide | Generated by AI

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Question: After logging into the switch, what command is used to create a VLAN in global configuration mode?

Answer:

To create a VLAN on a Cisco switch (or similar CLI-based network devices) after logging in and entering global configuration mode, you use the following command:

vlan <vlan-id>

Explanation:

• vlan: This is the command keyword that tells the switch you want to create or configure a VLAN.
• <vlan-id>: This is a placeholder for the actual VLAN number you wish to create. Valid VLAN IDs typically range from 1 to 4094, though some ranges are reserved (e.g., VLAN 1 is default, VLANs 1002–1005 are reserved for legacy token ring/FDDI).

Step-by-Step Example:

1. Log in to the switch.
2. Enter privileged EXEC mode:

   enable
   

3. Enter global configuration mode:

   configure terminal
   

4. Create a VLAN (for example, VLAN 10):

   vlan 10
   

5. (Optional) Name the VLAN:

   name Sales
   

6. Exit configuration mode:

   end
   

After executing vlan 10, the switch enters VLAN configuration mode (config-vlan#), where you can optionally assign a name or other parameters to the VLAN.

This matches the reference answer provided: vlan vlan-id.

References:

• Cisco VLAN Configuration Guide

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