Specifications

Web-based management
162
5.5 Switching
RS2-4R
Release 1.0 03/04
The time entries in the Global dialog are in units of 10 ms.
Example: Max Age = 2000 amounts to 20 seconds.
Variable Meaning Possible values State on delivery
Priority The priority and the MAC address go
together to make up the bridge
identification.
0 < n*4096 < 61440 32768
Hello Time The bridge sends configuration
messages (Configuration Bridge
Protocol Data Units, CBPDU) if it is
the root bridge, or when it is
attempting to become the root
bridge. Hello Time is the time in
hundredths of a second between the
sending of two configuration
messages (Configuration Bridge
Protocol Data Units, CBPDU). This is
the current value being used by the
bridge.
100 < n*100 < 1000 200
Max Age Within the "Max Age" time period, the
bridge expects to receive a BPDU. If
the bridge does not receive a BPDU
within this time period, this indicates
that the root bridge has failed. The
remaining bridges start the operation
to specify the new root bridge.
600 - 4000 200
Forward Delay The condition diagram of the
Spanning Tree Protocol has four
possible conditions: blocking,
hearing, learning and normal.
A certain amount of time passes
when switching from one condition to
another. This time is measured in
hundredths of a second and checks
how quickly the change is effected.
This is the current value being used
by the bridge. The condition change
from normal to blocking occurs
without a time lapse.
400 - 3000 1500
Table 12: Global STP/RSTP settings