Netgear GS748Tv5 Software Administration Manual - Page 106

GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches Table 28. MST port status information (continued) Field Port Forwarding State Port Role Designated Root Designated Cost Designated Bridge Designated Port Description Indicates the current STP state of a port. If enabled, the port state determines what forwarding action is taken on traffic. Possible port states are: • Disabled. STP is currently disabled on the port. The port forwards traffic while learning MAC addresses. • Blocking. The port is currently blocked and cannot be used to forward traffic or learn MAC addresses. • Listening. The port is currently in the listening mode. The port cannot forward traffic nor can it learn MAC addresses. • Learning. The port is currently in the learning mode. The port cannot forward traffic, however, it can learn new MAC addresses. • Forwarding. The port is currently in the forwarding mode. The port can forward traffic and learn new MAC addresses Each MST Bridge Port that is enabled is assigned a Port Role for each spanning tree. The port role will be one of the following values: Root Port, Designated Port, Alternate Port, Backup Port, Master Port, or Disabled Port. Root Bridge for the selected MST instance. It is made up using the bridge priority and the base MAC address of the bridge. Displays cost of the port participating in the STP topology. Ports with a lower cost are less likely to be blocked if STP detects loops. Bridge Identifier of the bridge with the Designated Port. It is made up using the bridge priority and the base MAC address of the bridge. Port Identifier on the Designated Bridge that offers the lowest cost to the LAN. It is made up from the port priority and the interface number of the port. Configuring Switching 106