SMC Networks SMC8606T Management Manual page 121

Parameter Description
Port Status Displays the current state of this port within the spanning
tree:
No Link
Disabled
Blocked
Listening
Learning
ForwardingThe port forwards packets, and continues
The rules defining port status are:
• A port on a network segment with no other
• If two ports of a switch are connected to the same
• All ports are blocked when the switch is booted, then
Forward The number of times the port has changed to a forwarding
Transitions state.
Designated The cost for a packet to travel from this port to the root in
Cost the current spanning tree configuration. The slower the
media, the higher the cost.
Designated The priority and MAC address of the device through which
Bridge this port must communicate to reach the root of the
spanning tree.
There is no valid link on the port.
Port has been disabled by the user or has failed
diagnostics.
Port receives STA configuration messages, but
does not forward packets.
Port will leave blocking state due to topology
change, starts transmitting configuration
messages, but does not yet forward packets.
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.
learning addresses.
STA-compliant bridging device is always forwarding.
segment and there is no other STA device attached to this
segment, the port with the smaller ID forwards packets
and the other is blocked.
some of them change state to listening, to learning, and
then to forwarding.
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