Yamaha 10G SWR2310-28GT/18GT/10G Command Reference - Page 182
Initial value], Link speed, Path cost value, Input mode], Description], Note], Example], Syntax],
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182 | Command Reference | Layer 2 functions [Initial value] Use the following values according to the link speed of the interface. Link speed Path cost value 1000Mbps 20000 100Mbps 200000 10Mbps 2000000 For a logical interface, the path cost value is calculated based on totaling the link speed of each associated LAN/SFP port. [Input mode] interface mode [Description] Sets the path cost of the applicable interface. If this command is executed with the "no" syntax, the setting returns to the default. [Note] In the case of MSTP, this is the setting for CIST (instance #0). This command can be specified only for LAN/SFP port and logical interface. It is not possible to specify this command for a LAN/SFP port that is associated to a logical interface. If a LAN/SFP port is associated with a logical interface, the setting of this command for the corresponding LAN/SFP port returns to the default. [Example] Set the path cost of LAN port #1 to 100000. SWR2310(config)#interface port1.1 SWR2310(config-if)#spanning-tree path-cost 100000 6.3.10 Set interface priority [Syntax] spanning-tree priority priority no spanning-tree priority [Parameter] priority : (multiple of 16) Priority value [Initial value] spanning-tree priority 128 [Input mode] interface mode [Description] Sets the priority of the applicable interface. If this command is executed with the "no" syntax, the setting returns to the default. Lower numeric values indicate a higher priority, increasing the probability that the other interface will become the root port. [Note] In the case of MSTP, this is the setting for CIST (instance #0). This command can be specified only for LAN/SFP port and logical interface. It is not possible to specify this command for a LAN/SFP port that is associated to a logical interface. If a LAN/SFP port is associated with a logical interface, the setting of this command for the corresponding LAN/SFP port returns to the default. [Example] Set the LAN port #1 priority to 64. SWR2310(config)#interface port1.1 SWR2310(config-if)#spanning-tree priority 64