3com WXR100 3CRWXR10095A Manual De Usuario

C

HAPTER

 12: STP C

OMMANDS

Port

Port number. 

Only network ports are listed. STP does not apply to 
3Com Wireless LAN Managed Access Point AP2750 
ports or wired authentication ports. 

Vlan

VLAN ID.

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.

Table 75   Output for display spantree (continued)