Netgear XSM4324CS CLI Manual Software Version 12.x - Page 394
spanning-tree vlan
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M4300 Intelligent Edge Series Fully Managed Stackable Switches the priority by 3000. Path costs less than 3000 have an additional 3000 added when uplinkfast is enabled. This reduces the probability that the switch will become the root switch. Uplinkfast immediately changes to an alternate root port on detecting a root port failure and changes the new root port directly to the fowarding state. A TCN is sent for this event. After a switchover to an alternate port (new root port), uplinkfast multicasts a gratuitous frame on the new root port on behalf of each attached machine so that the rest of the network knows to use the secondary link to reach that machine. PVRSTP embeds support for backbonefast and uplinkfast. There is no provision to enable or disable these features in PVRSTP configured switches. Default Format Mode 150 spanning-tree uplinkfast [max-update-rate packets] Global Config no spanning-tree uplinkfast This command disables uplinkfast on PVSTP configured switches. All switch priorities and path costs that have not been modified from their default values are set to their default values. Format Mode no spanning-tree uplinkfast [max-update-rate] Global Config spanning-tree vlan Use this command to enable/disable spanning tree on a VLAN. Default Format Mode None spanning-tree vlan vlan-list Global Config Parameter vlan-list Description The VLANs to which to apply this command. Switching Commands 394 CLI Command Reference Manual