Allied Telesis 2.6.1 manual To show STP counters, use the command

Layer 2 Switching 95

Table 19: Parameters displayed in the output of the SHOW STP PORT command .

Parameter	Meaning
STP	The name of the STP that the port is a member of.
STP Status	Whether this STP is enabled or disabled; one of ON or OFF.
Port	The number of the port.
RSTP Port Role	The role of the port; one of Disabled, Alternate, Backup,
	Designated, or Root. (Rapid Mode only).
State	The state of the port; one of “Disabled”, “Blocking”,
	“Listening”, “Learning” or “Forwarding” for Standard
	mode, and one of; “Disabled”, “Discarding”, “Learning”,
	or “Forwarding” for Rapid mode.
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.

The spanning tree algorithm can be recalculated at any time, and all timers and counters be initialised, using the command:

RESET STP={stpnameALL}

To show STP counters, use the command:

SHOW STP[={stpnameALL}] COUNTER

Software Release 2.6.1 C613-02039-00 REV A