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[Setting of Port]
Click [Configuration STA Port]. You can configure RSTP/STP on ports.
Bridge Port Number is the Ethernet port that will be configured.
Port Priority (0~240) : If the path cost for all ports on a switch are the same, the
port with the highest priority (lowest value) will be forwarded when looping
happens. If more than one port have the same highest priority, the port with
lowest port number will be forwarded.
Port State : It is current spanning tree operation state of the port.
Port Enable : enable/disable spanning tree function on the port.
Is edge : If this switch is at “edge” of the network tree, please select “Yes”. If
there are another switches connected, please select “No”. This parameter is used
by RSTP to increase its operation speed.
Port Path Cost (1~65535) : It is used to determine the best path between devices
if looping happens. Lower values will be forwarded and should be assigned to
ports with high speed connections. Higher values will be blocked and should be
assigned to ports with low speed connections. The suggestion values are
100(50~600) for 10M, 19(10~60) for 100M and 4(3~10) for 1000M connections.
Port Designated Root : This shows the root bridge ID of this segment and its
bridge priority.
Port Designated Cost : This shows the path cost between the root port and the
designated port of the root bridge.
Port Designated Bridge : This shows the switch’s bridge ID and its bridge priority
setting.
Designated Port : This shows the port number and its port priority..
Port Forward Transitions : This is the forwarding transition counter on the port.
Port Role : It is the role of the port for the STP operation. It could be Root,
Designated, Backup, or Alternated. If the port is link down, the port role will be
Nonstp.
Point To Point : This is a Point-to-Point link on the port.
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