Specifications

ExtremeWare XOS 10.1 Command Reference Guide 193
5 VLAN Commands
This chapter describes the following commands:
• Commands for creating and deleting VLANs and performing basic VLAN configuration
• Commands for defining protocol filters for use with VLANs
• Commands for enabling or disabling the use of Generic VLAN Registration Protocol (GVRP)
information on a switch and its ports
VLANs can be created according to the following criteria:
• Physical port—A port-based VLAN consists of a group of one or more ports on the switch. A port
can be a member of only one port-based VLAN, and is by default a member of the VLAN named
“Default.”
• 802.1Q tag—Tagging is most commonly used to create VLANs that span switches.
• Ethernet, LLC SAP, or LLC/SNAP Ethernet protocol type—Protocol-based VLANs are most often
used in situations where network segments contain hosts running multiple protocols.
• A combination of these criteria.