Planet GSW-1602SF User Manual page 92

Path Cost
Cost of the port participating in the RSTP topology. Ports with a lower cost are less likely to be
blocked if STP detects loops.
Indicates whether the port is enabled as an edge port. It takes the value "Yes" or "No".
Edge Port
P2p Port
The Point-to-Point operating state. This is the actual device port link type.
Protocol
Indicates the current spanning protocol on the ports.
The current port STP state. If enabled, the port state determines what forwarding action is taken on
Port State
traffic. Possible port states are:
• Disabled -- The port link is currently down.
• Blocking -- The port is currently blocked and cannot be used to forward traffic or learn MAC
• Listening -- The port is currently in the listening mode. The port cannot forward traffic nor can it
• Learning -- The port is currently in the learning mode. The port cannot forward traffic however it
•
Forwarding -- The port is currently in the forwarding mode. The port can forward traffic and learn
A port transitions from one state to another as follows:
• From initialization (switch boot) to blocking
• From blocking to listening or to disabled
• From listening to learning or to disabled
• From learning to forwarding or to disabled
• From forwarding to disabled
• From disabled to blocking
addresses. Blocking is displayed when Classic STP is enabled.
learn MAC addresses.
can learn new MAC addresses.
new MAC addresses.
Table 4-21 Description of the RSTP Port Status
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User's Manual of GSW-1602SF / GSW-2404SF