User Manual

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NETGEAR M4500 Series Switches CLI Command Reference Manual 330
5.5.7. 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 <misted> range is 0 to 4096. The parameter
<slot/port> indicates the desired switch port.
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.
Format show spanning-tree mst port summary <mstid> [{<slot/port> | active | port-channel <portchannel-
id>}]
Mode Privileged EXEC
User EXEC
Display Message
Designated Root
Identifier of the designated root for this port within the CST.
Designated Port Cost
Path Cost offered to the LAN by the Designated Port.
Designated Bridge
The bridge containing the designated port.
Designated Port Identifier
Port on the Designated Bridge that offers the lowest cost to the LAN.
Topology Change
Acknowledgement
Value of flag in next Configuration Bridge Protocol Data Unit (BPDU)
transmission indicating if a topology change is in progress for this port.
Hello Time
The hello time in use for this port.
Edge Port
The configured value indicating if this port is an edge port.
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 Internal Root Path Cost
The internal root path cost to the LAN by the designated external port.
Loop Inconsistent State
The MSTP loop inconsistent state of the port in a specific instance.
Transitions Into Loop
Inconsistent State
The number of times this interface has transitioned into the MSTP loop
inconsistent state.
Transitions Out Of Loop
Inconsistent State
The number of times this interface has transitioned out of the MSTP loop
inconsistent state.
Parameter
Definition
MST Instance ID
The MST instance associated with this port.
Interface
slot/port
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.