inS_cnge8MS_reV–
09/17/12 Page 39
INSTALLATION AND OPERATION MANUAL
CNGE8MS
Tech SupporT: 1.888.678.9427
RSTP
The Rapid Spanning Tree Protocol (RSTP) is an evolution of the Spanning Tree Protocol. It provides
faster spanning tree convergence after a topology change. The system also supports STP and the
system will auto detect the connected device that is running STP or RSTP protocol.
RSTP setting
You can enable/disable RSTP function, and set parameters for each port.
RSTP Setting interface
The following table describes the labels in this screen.
Label
Description
RSTP mode
You must enable or disable RSTP function before configuring the
related parameters.
Priority (0-61440) A value used to identify the root bridge. The bridge with the lowest
value has the highest priority and is selected as the root. If the value
changes, You must reboot the switch. The value must be multiple of
4096 according to the protocol standard rule.
Max Age (6-40)
The number of seconds a bridge waits without receiving Spanning-
Tree Protocol configuration messages before attempting a
reconfiguration. Enter a value between 6 through 40.
Hello Time (1-10) The time that controls switch sends out the BPDU packet to check
RSTP current status. Enter a value between 1 through 10.
