D-Link DES-3226L Technical Information download pdf (Page 71)

Switching Commands 71

spanning-tree mst instance

This command adds a multiple spanning tree instance to the switch. The parameter <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 the D-Link DES-3226L switch is 4.

Format spanning-tree mst instance <mstid>

Mode Global Config

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 parameter <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

spanning-tree mst priority

This command sets the bridge priority for a specific multiple spanning tree instance. The parameter

<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 you specify 0 (defined as the default CIST ID) as the <mstid>, this command sets the Bridge Priority

parameter to a new value for the common and internal spanning tree. The bridge priority value is a

number within a range of 0 to 61440. The twelve least significant bits are masked according to the

802.1s specification. This causes 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

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 parameter <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>, this command sets the Bridge Priority

parameter for the common and internal spanning tree to the default value, i.e. 32768.

Format spanning-tree mst priority <mstid>

Mode Global Config

spanning-tree mst vlan

This command adds an association between a multiple spanning tree instance and a VLAN so that the

VLAN is no longer associated with the common and internal spanning tree. The parameter <mstid> is a

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D-Link DES-3226L Technical Information Page 71