TP-Link TL-SG3109 User Guide - Page 239
spanning-tree mst cost, Interface, Short
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TL-SG3109/TL-SL3428/TL-SL3452 Gigabit Managed Switch Family CLI Reference Guide spanning-tree mst cost The spanning-tree mst cost Interface Configuration mode command configures the path cost for multiple spanning tree (MST) calculations. If a loop occurs, the spanning tree considers path cost when selecting an interface to put in the forwarding state. To return to the default configuration, use the no form of this command. Syntax spanning-tree mst instance-id cost cost no spanning-tree mst instance-id cost Parameters • instance-ID-ID of the spanning -tree instance (Range: 1-15). • cost-The port path cost. (Range: 1 - 200,000,000) Default Configuration Default path cost is determined by port speed and path cost method (long or short) as shown below: Interface Port-channel Gigabit Ethernet (1000 Mbps) Fast Ethernet (100 Mbps) Ethernet (10 Mbps) Long 20,000 20,000 200,000 2,000,000 Short 4 4 19 100 Command Modes Interface Configuration (Ethernet, port-channel) mode User Guidelines There are no user guidelines for this command. Example The following example configures the MSTP instance 1 path cost for Ethernet port 9 to 4. Console(config) # interface ethernet e9 Console(config-if) # spanning-tree mst 1 cost 4 Page 238