Specifications

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Item Meaning Displayed information
Status Port state If Mode is PVST+:
Blocking: Blocking
Listening: Listening
Learning: Learning
Forwarding: Indicates Forwarding status.
Disabled: Disabled. This status is displayed when
the port is in the Down status.
Disabled(unmatched): Disabled. A configuration
mismatch was detected because a BPDU with an IEEE
802.1Q tag was received when the port was disabled.
If Mode is Rapid PVST+:
Discarding: Discarding
Learning: Learning
Forwarding: Indicates Forwarding status.
Disabled: Disabled. This status is displayed when
the port is in the Down status.
Disabled(unmatched): Disabled. A configuration
mismatch was detected because a BPDU with an IEEE
802.1Q tag was received when the port was disabled.
Role The role of the port Root: Root port
Designated: Designated port
Alternate: Alternate port
Backup: Backup port
If the port is in the Down status, a hyphen (-) is
displayed, because ports in this status are not included
in the topology calculations.
These parameters are commonly used by STP and
Rapid STP.
Priority Port priority Value set for the priority of the port on the Switch
If the port is in the Down status, a hyphen (-) is
displayed.
Cost Port cost Value set for the port cost of the Switch.
If the port is in the Down status, a hyphen (-) is
displayed.
Link Type Link type of the line point-to-point: The line is a 1-to-1 connection.
shared: The line is a shared connection.
A hyphen (-) is displayed when Mode is PVST+ or when
the port is in the Down status.
Compatible Mode Compatible mode ON: Operation is in progress in compatible mode.
A hyphen (-) is displayed when operation is in progress
in normal mode (non-compatible mode) or when the
port is in the Down status. Ports operating in compatible
mode do not perform rapid status transitions.
Loop Guard Loop guard functionality ON: The loop guard functionality is being applied.
ON(Blocking): The loop guard functionality is running
and the port is blocked.
OFF: The loop guard functionality is not being used.