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This page includes the following fields:
OBJECT
RSTP mode
Protocol Version
Priority (0-61440)
Max Age (6-40)
Hello Time (1-10)
Forward Delay Time (4-30)
NOTE:
Follow the rule as below to configure the MAX Age, Hello Time, and Forward
Delay Time.
2 x (Forward Delay Time value -1) > = Max Age value >= 2 x (Hello Time value +1).
NOTE:
Each switch in a spanning-tree adopts the Hello Time, Forward Delay time, and
Max Age parameters of the root bridge, regardless of how it is configured.
Root Bridge Information
This page provides a status overview for all RSTP bridge instances.
The displayed table contains a row for each RSTP bridge instance, where the column
displays the following information:
The RSTP Bridge Status screen in Figure 4-37 appears.
GE-DS-242-PoE Managed Ethernet Switch User Manual
DESCRIPTION
The user must enable the RSTP function first before configuring the
related parameters.
A value used to specify the spanning tree protocol, the original
spanning tree protocol (STP, 802.1d) or the rapid spanning tree protocol
(RSTP, 802.1w).
The switch with the lowest value has the highest priority and is selected
as the root. If the value is changed, the user must reboot the switch.
The value must be a multiple of 4096 according to the protocol
standard rule.
The number of seconds a switch waits without receiving Spanning-tree
Protocol configuration messages before attempting a reconfiguration.
Enter a value between 6 through 40.
The time that controls the switch to send out the BPDU packet to check
RSTP current status.
Enter a value between 1 through 10.
The number of seconds a port waits before changing from its Rapid
Spanning-Tree Protocol learning and listening states to the forwarding
state.
Enter a value between 4 through 30.
Chapter 4: Web-Based Management
77
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