Configuring with Web Based Management
5.4 "Information" menu
SCALANCE W760/W720 to IEEE 802.11n Web Based Management
76 Configuration Manual, 11/2014, C79000-G8976-C350-03
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Describes the type of spanning tree in which the port operates
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If the path calculated by the spanning tree is possible over several ports of a device, the
port with the highest priority (in other words the lowest value for this parameter) is
selected. A value between 0 and 240 can be entered for the priority in steps of 16. If you
enter a value that cannot be divided by 16, the value is automatically adapted. The
default is 128.
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This parameter is used to calculate the path that will be selected. The path with the
lowest value is selected as the route. If several ports of a device have the same value,
the port with the lowest port number is selected.
If the value in the "Cost Calc" box is "0", the automatically calculated value is displayed.
Otherwise, the value of the "Cost Calc" box is displayed.
The calculation of the path costs is largely based on the transmission speed. The higher
the achievable transmission speed is, the lower the value of the path costs.
Typical values for path costs with rapid spanning tree:
– 10,000 Mbps = 2,000
– 1000 Mbps = 20,000
– 100 Mbps = 200,000
– 10 Mbps = 2,000,000.
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Shows the type of the connection. The following values are possible:
– Edge Port
An edge port is connected to this port.
– No Edge Port
There is a spanning tree or rapid spanning tree device at this port.
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shows the type of the point-to-point link. The following values are possible:
– P.t.P.
With half duplex, a point-to-point link is assumed.
– Shared Media
With a full duplex connection, a point-to-point link is not assumed.
-to-point link means a direct connection between two devices. A shared media
connection is, for example, a conne
ction to a hub.
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