Assign an Interface VLAN as an Access or Trunk Port on a Switch
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Updated:February 19, 2020
Virtual Local Area Network (VLAN) is a group of ports that enables devices to communicate with each other over the Ethernet MAC layer, regardless of the physical Local Area Network (LAN). A port is a member of a VLAN if it can send to and receive data from the VLAN. A port is an untagged member of a VLAN if all packets destined for that port into the VLAN have no VLAN tag. A port is a tagged member of a VLAN if all packets destined for that port into the VLAN have a VLAN tag. VLANs are typically used to isolate endpoints as a workgroup. A basic example is setting up a different VLAN for Voice and a separate VLAN for Data. This ensures that packets for both data types are isolated from each other, maximizing the utilization of the switch.
You can assign an interface VLAN into a specific mode such as an Access or Trunk port.
Access port — A port that carries traffic only to and from the specific VLAN assigned to it.
Trunk port — A port that is capable of carrying traffic for any or all the VLANs that are accessible by a specific switch.
This article aims to show you how to configure an interface VLAN on your switch to be an access, or trunk port.