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Configuring VLANs
Creating an Extended-Range VLAN with an Internal VLAN ID
If you enter an extended-range VLAN ID that is already assigned to an internal VLAN, an error message is
generated, and the extended-range VLAN is rejected. To manually free an internal VLAN ID, you must
temporarily shut down the routed port that is using the internal VLAN ID.
SUMMARY STEPS
1. show vlan internal usage
2. configure terminal
3. interface interface-id
4. shutdown
5. exit
6. vtp mode transparent
7. vlan vlan-id
8. exit
9. interface interface-id
10. no shutdown
11. end
12. copy running-config startup config
DETAILED STEPS
Command or Action
Step 1
show vlan internal usage
Example:
Switch# show vlan internal usage
Step 2
configure terminal
Example:
Switch# configure terminal
Step 3
interface interface-id
Example:
Switch(config)# interface
gigabitethernet1/0/3
OL-29322-01
Purpose
Displays the VLAN IDs being used internally by the switch. If the
VLAN ID that you want to use is an internal VLAN, the display
shows the routed port that is using the VLAN ID. Enter that port
number in Step 3.
Enters global configuration mode.
Specifies the interface ID for the routed port that is using the VLAN
ID, and enter interface configuration mode.
Consolidated Platform Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)
How to Configure Extended-Range VLANs
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