ZyXEL Communications XS-3900-48F, User Manual

Page: 116 / 332

Chapter 11 Spanning Tree Protocol
XS3900-48F User’s Guide
116
11.6 Configure Multiple Rapid Spanning Tree Protocol
To configure MRSTP, click MRSTP in the Advanced Application > Spanning Tree Protocol
screen. See
Section 11.1 on page 107 for more information on MRSTP.
Figure 56
Advanced Application > Spanning Tree Protocol > MRSTP
The following table describes the labels in this screen.
Table 36
Advanced Application > Spanning Tree Protocol > MRSTP
LABEL DESCRIPTION
Status Click Status to display the MRSTP Status screen (see Figure 55 on page 115 ).
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.