Chapter 13 Spanning Tree Protocol
GS1920 Series User’s Guide
127
Figure 95 Advanced Application > Spanning Tree Protocol > MRSTP
The following table describes the labels in this screen.
Table 50 Advanced Application > Spanning Tree Protocol > MRSTP
LABEL DESCRIPTION
Status Click Status to display the MRSTP Status screen (see Figure 96 on page 129).
Tree This is a read only index number of the STP trees.
Active Select this check box to activate an STP tree. Clear this checkbox to disable an STP tree.
Note: You must also activate Multiple Rapid Spanning Tree in the Advanced Application
> Spanning Tree Protocol > Configuration screen to enable MRSTP on the Switch.
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. Select a value from the drop-down list box.
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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