SPANNING TREE ALGORITHM (STA)

Ports

The parameters shown in the following figure and table are for port STA Information.

Parameter

Description

 

Port Status

Displays the current state of this port within the spanning tree:

 

No Link

No link has been established on this port.

 

Disabled

Port has been disabled by the user or has failed

 

 

diagnostics.

 

Blocked

Port receives STA configuration messages, but

 

 

does not forward packets.

 

Listening

Port will leave blocking state due to topology

 

 

change, starts transmitting configuration

 

 

messages, but does not yet forward packets.

 

Learning

Port has transmitted configuration messages

 

 

for an interval set by the Forward Delay

 

 

parameter without receiving contradictory

 

 

information. Port address table is cleared, and

 

 

the port begins learning addresses.

 

Forwarding

The port forwards packets, and continues

 

 

learning addresses.

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SMC Networks 1000BASE-X manual Ports