Netgear FS728TLP Web Management User Guide - Page 136

ProSAFE FS526Tv2, FS726Tv2, and FS728TLP Smart Switches The following table describes the fields of the Rapid STP screen. Field Interface Role Mode Fast Link Description The port number or LAG number. The role of the port or LAG in the RSTP: • Root port. The port offers the path with the lowest cost to the root bridge. • Designated port. The port forwards frames to LAN segments. • Alternate port. The port offers an alternate path in the direction of the root bridge. • Backup port. The port functions as a backup port for the designated port. • Disabled port. The port is not an STP port. The spanning tree operation mode for the port or LAG: • STP. The operation mode is STP. • RSTP. The operation mode is RSTP. Indicates whether the port or LAG functions as an edge port in the RSTP: • True. The port or LAG is an edge port. • False. The port or LAG is not an edge port. Status Note: You can refer to an edge port as a fast link. The forwarding state for the port or LAG: • Discarding. The port or LAG is in the discarding state; it cannot forward traffic and cannot learn new MAC addresses. • Learning. The port or LAG is in the learning state; it cannot forward traffic, but it can learn new MAC addresses. • Forwarding. The port or LAG is in the forwarding state; it can forward traffic and learn new MAC addresses. • Manual forwarding. The port or LAG is in the forwarding state but STP is disabled or the port is a trunk member (that is, the port is a member of a LAG). • Disabled. The port or LAG is disabled. 3. (Optional) Click the Refresh button. The screen refreshes to display the most current data. View the STP Statistics You can view the number and type of bridge protocol data units (BPDUs) that were transmitted and received on individual ports and LAGs.  To display the BPDUs for individual ports and LAGs: 1. Select Switching > STP > Advanced > STP Statistics. Configure Spanning Tree Protocol 136