SMC Networks 1000BASE-X 用户手册

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页码 178
S
PANNING
 T
REE
 A
LGORITHM
 (STA)
3-23
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.