Netgear M5300-52G Web Management User Guide - Page 154
MST ID, Interface, Port Priority, Port Path Cost, the Spanning Tree CST Configuration
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ProSafe M5300 Switch To configure MST port settings: 1. Use MST ID to select one MST instance from existing MST instances. 2. Use Interface to select one of the physical or port channel interfaces associated with VLANs associated with the selected MST instance. 3. Use Port Priority to specify the priority for a particular port within the selected MST instance. The port priority is set in multiples of 16. For example if the priority is attempted to be set to any value between 0 and 15, it will be set to 0. If it is tried to be set to any value between 16 and (2*16-1) it will be set to 16 and so on. 4. Use Port Path Cost to set the Path Cost to a new value for the specified port in the selected MST instance. It takes a value in the range of 1 to 200000000. The following table describes the read-only MST port configuration information displayed on the Spanning Tree CST Configuration page. Field Description Auto Calculated Port Path Cost Displays whether the path cost is automatically calculated (Enabled) or not (Disabled). Path cost will be calculated based on the link speed of the port if the configured value for Port Path Cost is zero. Port ID The port identifier for the specified port within the selected MST instance. It is made up from the port priority and the interface number of the port. Port Uptime Since Last Clear Time since the counters were last cleared, displayed in Days, Hours, Counters Minutes, and Seconds. Port Mode Spanning Tree Protocol Administrative Mode associated with the port or port channel. The possible values are Enable or Disable. Port Forwarding State The Forwarding State of this port. Port Role 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. Designated Root Root Bridge for the selected MST instance. It is made up using the bridge priority and the base MAC address of the bridge. Designated Cost Path Cost offered to the LAN by the Designated Port. Designated Bridge 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. Designated Port 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 Information 154