Allied Telesis AT-GS950/48, Руководство пользователя

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AT-GS950/48 Web Interface User Guide
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5. Once you have configured the parameters, click Apply . Clicking this
button activates STP or RSTP and the above parameters on the
switch.
At the bottom section of the page, the following fields are listed:
Note
You cannot change these fields.
Root Bridge - The Root Bridge is the MAC address of the bridge.
The root bridge identifier is used as a tie breaker in the selection of
the root bridge when two or more bridges have the same bridge
priority. You cannot change this parameter.
Root Cost - The sum of all root port costs of all bridges between
the switch’s root port and the root bridge including the switch’s root
port cost.
Root Maximum Age - The parameter displays the maximum
amount of time that BPDUs are stored before being deleted on the
root bridge.
Root Forward Delay - The parameter displays the time interval
between generating and sending configuration messages by the
root bridge.
Root Port - The active port on the switch that is communicating
with the root bridge. If the switch is the root bridge for the LAN,
then there is no root port, and the root port parameter is set to 0.
6. From the main menu on the left side of the page, select Save Settings
to Flash to permanently save your changes.