
Chapter 25 Spanning Tree Protocol
IES-1248-51V User’s Guide
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25.3 Spanning Tree Protocol Screen
To open this screen, click Advanced Application > Spanning Tree Protocol >
STP Config.
Figure 96 Spanning Tree Protocol
The following table describes the labels in this screen.
Table 53 Spanning Tree Protocol
LABEL DESCRIPTION
Active Select this check box to turn on RSTP.
Note: It is recommended that you only use STP when you use the
IES-1248-51V in standalone mode with a network topology
that has loops.
Bridge Priority Bridge priority is used in determining the root switch, root port and
designated port. The switch with the highest priority (lowest numeric
value) becomes the STP root switch. If all switches have the same
priority, the switch with the lowest MAC address will then become the
root switch. The allowed range is 0 to 61440.
The lower the numeric value you assign, the higher the priority for
this bridge.
Bridge Priority determines the root bridge, which in turn determines
Hello Time, Max Age and Forwarding Delay.
Hello Time This is the time interval in seconds between BPDU (Bridge Protocol
Data Units) configuration message generations by the root switch.
The allowed range is 1 to 10 seconds.
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