470 Spanning-Tree CommandsFILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell ContaxCLI\files\Spanning-Tree.fmD E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 1 5 / 1 2 - F O R P R O O F O N LYCommand ModeInterface Configuration (Ethernet, port-channel) modeUser GuidelinesThe priority value must be a multiple of 16.ExampleThe following example configures the port priority of port gi1/0/1 to 144.Console(config)# interface gigabitethernet 1/0/1Console(config-if)# spanning-tree mst 1 port-priority 144spanning-tree mst costUse the spanning-tree mst cost Interface Configuration (Ethernet, Port-channel) mode command to configure the path cost for multiple spanning-tree (MST) calculations. If a loop occurs, the spanning tree considers pathcost when selecting an interface to put in the forwarding state. Use the noform of this command to restore the default configuration.Syntaxspanning-tree mstinstance-id costcostno spanning-tree mstinstance-id costParameters• instance-id—Specifies the spanning-tree instance ID. (Range: 1–15)• cost—Specifies the port path cost. (Range: 1–200000000)Default ConfigurationDefault path cost is determined by the port speed and path cost method(long or short) as shown below:Interface Long ShortPort-channel 20,000 4Gigabit Ethernet (1000 Mbps) 20,000 4
