These terms define how a network switch interface handles VLAN (Virtual Local Area Network) traffic, dictating whether frames enter or leave the network with a specific VLAN identifier. Feature Tagged Port (Trunk) Untagged Port (Access) Primary Use Connecting switches, routers, and servers that handle multiple VLANs Connecting end-user devices like PCs, printers, and IP phones Frame Handling Adds and reads VLAN tags (802.
Configuring Tagged Link Switch Interfaces for Multiple VLANs
Misconfiguring these settings is a common source of connectivity issues, where devices can see broadcasts but not specific IP traffic, or where traffic from one VLAN leaks into another. The device itself is generally unaware of this VLAN tagging process, operating as if it were on a traditional LAN.
Consequently, a single physical interface on a tagged port can transport a complex mix of segregated network segments, making it the essential backbone for connecting switches or linking a switch to a router that handles inter-VLAN routing. How Tagged Ports Function A tagged port, often referreduced to as a trunk port, is designed to carry traffic for multiple VLANs simultaneously.
Configuring Tagged Link Switch Interfaces for Multiple VLANs
A port's behavior is determined by its tagging status, which dictates how it processes the Ethernet frames passing through it. How Untagged Ports Function In contrast, an untagged port, commonly known as an access port, handles traffic for a single, specific VLAN.
More About Tagged vs untagged port
Looking at Tagged vs untagged port from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on Tagged vs untagged port can make the topic easier to follow by connecting earlier points with a few simple takeaways.
