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CIST ID) is passed as the <mstid>, then the configurations are performed for the common and internal spanning tree instance.
If the 'cost' token is specified, this command sets the path cost for this port within a multiple spanning tree instance or the
common and internal spanning tree instance, depending on the <mstid> parameter, to the default value, i.e. a pathcost value
based on the Link Speed.
If the 'port-priority' token is specified, this command sets the priority for this port within a specific multiple spanning tree instance
or the common and internal spanning tree instance, depending on the <mstid> parameter, to the default value, i.e. 128.
▫
Format
no spanning-tree mst <mstid> {cost | port-priority}
▫
Mode
Interface Config
11.1.18 spanning-tree mst instance
This command adds a multiple spanning tree instance to the switch. The instance <mstid> is a number within a range of 1 to
4094, that corresponds to the new instance ID to be added. The maximum number of multiple instances supported by this
switch is 4.
▫
Format
spanning-tree mst instance <mstid>
▫
Mode
Global Config
11.1.18.1 no spanning-tree mst instance
This command removes a multiple spanning tree instance from the switch and reallocates all VLANs allocated to the deleted
instance to the common and internal spanning tree. The instance <mstid> is a number that corresponds to the desired existing
multiple spanning tree instance to be removed.
▫
Format
no spanning-tree mst instance <mstid>
▫
Mode
Global Config
11.1.19 spanning-tree mst priority
This command sets the bridge priority for a specific multiple spanning tree instance. The instance <mstid> is a number that
corresponds to the desired existing multiple spanning tree instance. The priority value is a number within a range of 0 to 61440
in increments of 4096.
If 0 (defined as the default CIST ID) is passed as the <mstid>, then this command sets the Bridge Priority parameter to a new
value for the common and internal spanning tree. The bridge priority value again is a number within a range of 0 to 61440. The
twelve least significant bits will be masked according to the 802.1s specification. This will cause the priority to be rounded down
to the next lower valid priority.
▫
Default
32768
▫
Format
spanning-tree mst priority <mstid> <0-61440>
▫
Mode
Global Config
11.1.19.1 no spanning-tree mst priority
This command sets the bridge priority for a specific multiple spanning tree instance to the default value, i.e. 32768. The instance
<mstid> is a number that corresponds to the desired existing multiple spanning tree instance.
If 0 (defined as the default CIST ID) is passed as the <mstid>, then this command sets the Bridge Priority parameter for the
common and internal spanning tree to the default value, i.e. 32768.
User's Manual of WGS3-2820/WGS3-5220
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