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AT8404 Switching Commands

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2.2.27 show spanning-tree mst port summary

This command displays the settings of one or all ports within the specified multiple spanning tree instance. The

parameter <mstid> indicates a particular MST instance. The parameter {<slot/port> | all} indicates the

desired switch port or all ports.

If you specify 0 (defined as the default CIST ID) as the <mstid>, the status summary displays for one or all ports

within the common and internal spanning tree.

2.2.28 show spanning-tree mst summary

This command displays summary information about all multiple spanning tree instances in the switch. On execution,

the following details are displayed.

Edge Port Status The derived value of the edge port status. True if operating as an edge port; false otherwise.

Point To Point

MAC Status

Derived value indicating if this port is part of a point to point link.

CST Regional Root The regional root identifier in use for this port.

CST Port Cost The configured path cost for this port.

Format show spanning-tree mst port summary

<mstid> {<slot/port> | all}

Mode • Privileged EXEC

• User EXEC

Term Definition

MST Instance ID The MST instance associated with this port.

Interface Valid slot and port number separated by a forward slash.

STP Mode Indicates whether spanning tree is enabled or disabled on the port.

Type Currently not used.

STP State The forwarding state of the port in the specified spanning tree instance.

Port Role The role of the specified port within the spanning tree.

Desc Indicates whether the port is in loop inconsistent state or not. This field is blank if the loop

guard feature is not available.

Format show spanning-tree mst summary

Mode • Privileged EXEC

• User EXEC

Term Definition

MST Instance ID

List

List of multiple spanning trees IDs currently configured.

For each MSTID:

• Associated FIDs

• Associated

VLANs

• List of forwarding database identifiers associated with this instance.

• List of VLAN IDs associated with this instance.

Term Definition

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