Signamax 065-7840 24-Port 10/100/1000BaseT/TX Managed Switch
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All bridges in the LAN will re-learn and determine what the root bridge is.
Maximum Age time is assigned by the root bridge in units of seconds.
Default is 20 seconds.
Current Forward Delay:
Shows the current root bridge forward delay time. The value of the
Forward Delay time is set by the root. The Forward Delay time is defined
as the time spent from the Listening state moved to the Learning state, or
from the Learning state moved to the Forwarding state, of a port in a
bridge.
Hello Time:
Shows the current hello time of the root bridge. Hello time is a time
interval specified by the root bridge; it is used to request all other bridges
to periodically sendia hello message every “hello time” seconds to the
bridge attached to its designated port.
STP Topology Change Count:
STP Topology Change Count expresses the time spent in units of
seconds since the beginning of the Spanning Tree Topology Change to
the end of the STP convergence. Once the STP change is converged,
the Topology Change count will be reset to 0. The figures showing in the
screen may not be the exact time it spent but will be very close to that,
because the time is constantly being eclipsed.
Time Since Last Topology Change:
Time Since Last Topology Change is the accumulated time in units of
seconds the STP has been in effect since the last STP Topology Change
was made. When Topology Change is initiated again, this counter will be
reset to 0. It will also begin counting again once the STP Topology
Change is completed.
Fig. 3-42
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