The Ethernet Ports Submenu in the Network section displays the status of each WAN and LAN Ethernet Port.

WAN

Enabled

Enables and disables the physical Port.
When disabled, the Port is inactive and cannot be used to access the Router.

Disabling unused Ports is a recommended security practice.

PluggedIndicates whether a network cable is connected to the Port and a link is established with another network Device.
Auto Neg.Shows whether the Port is configured to automatically negotiate its speed and duplex settings with the connected Device.
SpeedDisplays the current data transfer speed of the Port.
Max 100BASE-T.
LAN

Enabled

Enables and disables the physical Port.
When disabled, the Port is inactive and cannot be used to access the Router.

Disabling unused Ports is a recommended security practice.

At least one Port must be enabled for local Web Interface access.
The LAN and LAN1 (R600) Ports cannot be disabled.

PluggedIndicates whether a network cable is connected to the Port and a link is established with another network Device.
Auto Neg.Shows whether the Port is configured to automatically negotiate its speed and duplex settings with the connected Device.
SpeedDisplays the current data transfer speed of the Port.
Max 100BASE-T on Router R200, max 1000BASE-T on Router R600.