iES6 Series User’s Manual
iS5 Communications Inc.
34
RSTP Setting
The RSTP function can be enabled or disabled and parameters set for each port via the RSTP Setting
interface.
Figure 31 - RSTP Setting interface
The following table describes the labels for the RSTP Setting screen.
Label
Description
RSTP mode
The RSTP function must be enabled or disabled before configuring any of the
related parameters.
Priority (0-61440)
A value used to identify the root bridge. The bridge with the lowest value
(highest priority) is selected as the root. If the value changes, the switch must
be rebooted. The value must be a multiple of 4096 according to the protocol
standard.
Max Age (6-40)
The number of seconds for a bridge to wait without receiving Spanning Tree
Protocol configuration messages before reconfiguration. Enter a value
between 6 and 40.
Hello Time (1-10)
The time that the Control Switch sends out the BPDU (Bridge Protocol Data
Unit) packet to verify the current status of RSTP. Enter a value between 1 and
10.
Forwarding Delay Time
(4-30)
The number of seconds a port has to wait before changing from
learning/listening state to forwarding state. Enter a value between 4 and 30.
Path Cost (1-200000000)
The Path Cost to the other bridge from the transmitting bridge at a specified
