a.The Port Summary tab

Select a port (GigabitEthernet 1/0/16 for example) on the chassis front panel. If aggregate interfaces are configured on the device, the page displays a list of aggregate interfaces below the chassis front panel, and you can select aggregate interfaces from this list. The lower part of the page displays the MSTP information of the port in MSTI 0 (when STP is enabled globally) or the STP status and statistics (when STP is disabled globally), the MSTI to which the port belongs, and the path cost and priority of the port in the MSTI.

2.Fields in the displayed MSTP information of GigabitEthernet 1/0/16 in MSTI 0

Field

Description

[FORWARDING]

The port is in forwarding state. The port learns MAC addresses and

forwards user traffic.

 

 

 

[LEARNING]

The port is in learning state. The port learns MAC addresses but does not

forward user traffic.

 

 

 

[DISCARDING]

The port is in discarding state. The port does not learn MAC addresses or

forward user traffic.

 

 

 

[DOWN]

The port is down.

 

 

Port Protocol

Whether or not STP is enabled on the port.

 

 

Port Role

The role of the port, which can be Alternate, Backup, Root, Designated,

Master, or Disabled.

 

 

 

Port Priority

The priority of the port.

 

 

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