Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 26.1.x

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Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 26.1.x

Extended-range VLANs

Updated: April 10, 2026

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Introduces extended-range VLANs, outlining their purpose, VLAN ID support, and differences in configuration storage based on VTP versions and modes.

Extended-range VLANs enable service providers to extend their infrastructure to a greater number of customers. The extended-range VLAN IDs are permitted in any switchport command that accepts VLAN IDs.

  • With VTP version 1 or 2, extended-range VLAN configurations are not stored in the VLAN database. However, if VTP mode is set to transparent, the configurations are stored in the controller running configuration file, and you can also save them in the startup configuration file.

  • For VTP version 3, extended-range VLANs are stored in the VLAN database.

Create an extended-range VLAN (GUI)

Add an extended-range VLAN to your network to support larger scaling or specialized network segmentation using the GUI.

Procedure

1.

Choose Configuration > Layer2 > VLAN.
2.

In the VLAN page, click ADD.
3.

Enter the extended range VLAN ID in the VLAN ID field.

The extended range is between range is 1006 and 4094.
4.

Enter a VLAN name in the Name field.
5.

Save the configuration.

Create an extended-range VLAN (CLI)

Create an extended-range VLAN on a device using commands.

Procedure

1.

Enter the global configuration mode.

Example:

Device# configure terminal
2.

Enter an extended-range VLAN ID and enter the VLAN configuration mode.

Example:

Device(config)# vlan 2000

The range is between 1006 to 4094.
3.

Verify that the VLAN has been created.

Example:

Device# show vlan id 2000