Netgear FS728TLP Web Management User Guide - Page 130

ProSAFE FS526Tv2, FS726Tv2, and FS728TLP Smart Switches 2. Configure the settings as described in the following table. Setting Description Bridge Priority The bridge priority value for the CST. Enter a number that is a multiple of 4096 and that is in the range from 0 to 61440. The default priority is 32768. When switches or bridges are running STP, each is assigned a priority. After the devices exchange BPDUs, the device with the lowest priority value becomes the root bridge. Bridge Max Age (secs) Note: If you specify a priority that is not a multiple of 4096, the priority is automatically adjusted to the next lowest priority that is a multiple of 4096. For example, if you configure the priority to any value between 0 and 4095, the smart switch sets it to 0. The maximum age time for the CST in seconds. This is the period that an STP bridge or switch waits before implementing a topological change. Enter a number in the range from 6 to 40 seconds, considering that the period needs to be less than or equal to (2 * Bridge Forward Delay) - 1 and greater than or equal to 2 * (Bridge Hello Time +1). The default period is 20 seconds. Bridge Hello Time (secs) This is a nonconfigurable field that shows the hello time on the smart switch for the CST. This time is the period in seconds that a root bridge waits between configuration messages. The value is fixed at 2 seconds. Bridge Forward Delay (secs) The forward delay time for the smart switch, which is the period in seconds that a bridge remains in a listening and learning state before forwarding packets. Enter a number in the range from 4 to 30 seconds, considering that the period needs to be greater or equal to (Bridge Max Age / 2) + 1. The default period is 15 seconds. 3. Click the Apply button. The settings are saved. Configure CST on Ports and LAGs The CST Port Configuration screen lets you configure the settings for the Common Spanning Tree (CST) for individual ports and LAGs.  To configure the CST settings for one or more ports and LAGs: 1. Select Switching > STP > Advanced > CST Port Configuration. Configure Spanning Tree Protocol 130