C
ONFIGURING
THE
S
WITCH
3-36
Displaying Information About the Root Bridge
The root bridge of the spanning tree is selected whenever the network is
reconfigured. The root bridge is uniquely identified in the spanning tree by
its priority and MAC address. The maximum age, hello time, and forward
delay currently used by all bridges in the spanning tree are set to those
values configured on the root bridge. (See the preceding page for a
description of these parameters.)
Field Attributes
• Priority – Bridge priority for the root device.
• MAC Address – MAC address of the root device.
• Root Path Cost – The path cost from the root port on this switch to
the root device.
• Root Port – The number of the port on this switch that is closest to the
root. This switch communicates with the root device through this port.
If there is no root port, then this switch has been accepted as the root
device of the Spanning Tree network.
See the preceding page for a description of the other fields.
Web – Click Administrator
=>
Spanning Tree.
Configuring Port STP Settings
You can configure STA attributes for specific ports, including port priority
and path cost. You can use a different priority or path cost for ports of the
same media type to indicate the preferred path.
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