Allied Telesis Rapier Switch User Manual
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Rapier Switch Software Reference
Software Release 2.5.1
C613-02025-00 REV B
The spanning tree algorithm can be recalculated at any time, and all timers and
counters be initialised, using the command:
RESET STP={stpname|ALL}
To show STP counters, use the command:
SHOW STP[={stpname|ALL}] COUNTER
Point To Point
Whether the port has a point to point connection with
another bridge; one of NO or YES. (Rapid Mode only).
Port Priority
The priority of the port. Used as part of the Port Identifier
field. In Standard mode it forms the upper 8 bits of the Port
Identifier field. In Rapid mode it forms the upper 4 bits of
the Port Identifier field.
Port Identifier
The unique identifier of the port. This parameter is used to
determine the root port or designated port of the switch.
Pathcost
The path cost of the port.
Designated Root
The unique Bridge Identifier of the Root Bridge, as recorded
in the configuration BPDU.
Designated Cost
The Designated Cost for the port.
Designated Bridge
Either the unique Bridge Identifier of the switch, or the
unique Bridge Identifier of the switch believed to be the
Designated Bridge for the LAN to which the port is
attached.
Designated Port
The Port Identifier of the port on the Designated Bridge
through which the Designated Bridge transmits
Configuration BPDU information stored by this port.
Edge Port
An edge port is a port that attaches to a LAN that is known
to have no other bridges attached; one of YES, or NO.
VLAN membership
The number of VLANs the port is a member of within this
STP instance.
Table 19: Parameters displayed in the output of the SHOW STP PORT command
Parameter
Meaning