SMC Networks TigerStack 100 1000BASE-X - Manual (Page 117)

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.