Netgear XCM89UP Web Management User Guide - Page 163

M6100 Web Management User Guide • MST ID - Specify the ID of the MST to create. Valid values for this are between 1 and 4094. This is only visible when the select option of the MST ID select box is selected. • Priority - Specifies the bridge priority value for the MST. When switches or bridges are running STP, each is assigned a priority. After exchanging BPDUs, the switch with the lowest priority value becomes the root bridge. The bridge priority is a multiple of 4096. If you specify a priority that is not a multiple of 4096, the priority is automatically set to the next lowest priority that is a multiple of 4096. For example, if the priority is attempted to be set to any value between 0 and 4095, it will be set to 0. The default priority is 32768.The valid range is 0-61440. • VLAN ID - This gives a combo box of each VLAN on the switch. These can be selected or unselected for re-configuring the association of VLANs to MST instances. 2. Click Add to create a new MST which you have configured. 3. To modify an MST instance, select the check box next to the instance to configure, update the values, and click Apply. You can select multiple check boxes to apply the same setting to all selected ports. 4. Click Cancel to cancel the configuration on the screen and reset the data on the screen to the latest value of the switch. 5. To delete an MST instance, select the check box next to the instance and click Delete. 6. Click Update to update the page with the latest information on the switch. For each configured instance, the information described in the following table displays on the page. Field Bridge Identifier Time Since Topology Change Topology Change Count Topology Change Designated Root Root Path Cost Root PortIdentifier Description The bridge identifier for the selected MST instance. It is made up using the bridge priority and the base MAC address of the bridge. The time n seconds since the topology of the selected MST instance last changed. Number of times topology has changed for the selected MST instance. The value of the topology change parameter for the switch indicating if a topology change is in progress on any port assigned to the selected MST instance. It takes a value if True or False. The bridge identifier of the root bridge. It is made up from the bridge priority and the base MAC address of the bridge Path Cost to the Designated Root for this MST instance. Port to access the Designated Root for this MST instance. Configuring Switching Information 163