117
Field Description
BPDU-Protection Global status of the BPDU guard function.
Bridge Config-
Digest-Snooping
Global status of Digest Snooping.
TC or TCN received Number of TC/TCN BPDUs received in the MSTI or VLAN.
Time since last TC Time since the latest topology change in the MSTI or VLAN.
[FORWARDING] The port is in forwarding state.
[DISCARDING] The port is in discarding state.
[LEARNING] The port is in learning state.
Port protocol Status of the spanning tree feature on the port.
Port role
Port role:
• Alternate.
• Backup.
• Root.
• Designated.
• Master.
• Disabled.
(Boundary) The port is a regional boundary port.
Port cost(Legacy)
Path cost of the port. The field in parentheses indicates the standard (legacy,
dot1d-1998, or dot1t) used for port path cost calculation.
• Config—Configured value.
• Active—Actual value.
Desg.bridge/port
Designated bridge ID and port ID of the port.
The port ID displayed is insignificant for a port which does not support port priority.
Port edged
The port is an edge port or non-edge port.
• Config—Configured value.
• Active—Actual value.
Point-to-Point
The port is connected to a point-to-point link or not.
• Config—Configured value.
• Active—Actual value.
Transmit limit Number of BPDUs sent within each hello time.
Protection type
Protection type on the port:
• ROOT—Root guard.
• LOOP—Loop guard.
• BPDU—BPDU guard.
• NONE—No protection.
TC-Restriction Status of TC transmission restriction on the port.
Role-Restriction Status of port role restriction on the port.
MST BPDU format
Format of the MST BPDUs that the port can send:
• Config—Configured value (legacy or 802.1s).
• Active—Actual value (legacy or 802.1s).
Port Config-
Digest-Snooping
Status of Digest Snooping on the port.
Rapid transition
Indicates whether the port rapidly transits to the forwarding state in the MSTI or
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