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Chapter 14 Spanning Tree Protocol
14.4 Configure Rapid Spanning Tree Protocol
Use this screen to configure RSTP settings, see
RSTP. Click RSTP in the Advanced Application > Spanning Tree Protocol screen.
Figure 99 Advanced Application > Spanning Tree Protocol > RSTP
The following table describes the labels in this screen.
Table 64 Advanced Application > Spanning Tree Protocol > RSTP
LABEL
Status
Active
Bridge Priority
Hello Time
Max Age
166
DESCRIPTION
Click Status to display the RSTP Status screen (see
Select this check box to activate RSTP. Clear this checkbox to disable RSTP.
Note: You must also activate Rapid Spanning Tree in the Advanced Application >
Spanning Tree Protocol > Configuration screen to enable RSTP on the Switch.
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.
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.
This is the maximum time (in seconds) the Switch can wait without receiving a BPDU
before attempting to reconfigure. All Switch ports (except for designated ports) should
receive BPDUs at regular intervals. Any port that ages out STP information (provided in the
last BPDU) becomes the designated port for the attached LAN. If it is a root port, a new
root port is selected from among the Switch ports attached to the network. The allowed
range is 6 to 40 seconds.
Section 14.1 on page 160
Figure 100 on page
for more information on
167).
VES1724-56 User's Guide
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