Networking & IT Tools
VLAN ID Validator
Enter a VLAN ID to check whether it's valid, reserved, or falls in the extended VLAN range.
valid
Valid in the normal range usable on virtually all switches.
VLAN IDs are a 12-bit field defined by IEEE 802.1Q, giving a theoretical range of 0-4095, though several values are reserved and vendor behavior for the extended range (1006-4094) can vary.
How to use this tool
- 1Enter a VLAN ID number.
- 2See whether it's valid, the default VLAN, reserved, or extended-range.
Frequently asked questions
What's the difference between the normal and extended VLAN range?+
VLANs 2-1001 are supported on virtually all switches by default, while 1006-4094 (the extended range) may require VTP transparent mode or specific hardware support.