Nortel Networks 2300 Series Show spantree backbonefast, See Also show spantree blockedports on

STP Commands 413

Table 2: Output for show spantree (continued)

FieldDescription

STP-State or Port-State

STP state of the port:

•Blocking—The port is not forwarding Layer 2 traffic but is listening to and forwarding STP control traffic.

•Disabled—This state can indicate any of the following conditions:

•The port is inactive.

•The port is disabled.

•STP is enabled on the port but the port is not forwarding traffic. (The port is active and enabled but STP has just started to come up.)

•Forwarding—The port is forwarding Layer 2 traffic.

•Learning—The port is learning the locations of other devices in the spanning tree before changing state to forwarding.

•Listening—The port is comparing its own STP information with information in STP control packets received by the port to compute the spanning tree and change state to blocking or forwarding.

•STP Off—STP is disabled on the port.

Cost	STP cost of the port.
Prio	STP priority of the port.
Portfast	State of the uplink fast convergence feature:
	•	Enabled
	•	Disabled

See Also show spantree blockedports on page 404

show spantree backbonefast

Indicates whether the STP backbone fast convergence feature is enabled or disabled.

Syntax show spantree backbonefast

Defaults None.

Nortel WLAN—Security Switch 2300 Series Command Line Reference