192
Figure 170 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.
Table 79 Fields in the displayed MSTP information of GigabitEthernet 1/0/16 in MSTI 0
Field Descri
tion
[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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