Object
Max Age
Maximum Hop Count
Transmit Hold Count
Advanced settings
Object
Edge Port BPDU
Filtering
Edge Port BPDU
Guard
Port Error Recovery
Port Error Recovery
Timeout
The industrial managed switch implements the rapid spanning protocol as the
Note:
default spanning tree protocol. When selecting "Compatibles" mode, the system uses
the RSTP (802.1w) to be compatible and work with another STP (802.1D)'s BPDU
control packet.
Buttons
•
Click
to save changes.
Save
•
Click
to undo any changes made locally and revert to previously saved
Reset
values.
NS3552-8P-2S-V2 User Manual
Description
forwarding (used in STP compatible mode). Valid values are in the range of
4 to 30 seconds
Default:
15
Minimum: The higher of
Maximum:
30
The maximum age of the information transmitted by the Bridge when it is the
Root Bridge. Valid values are in the range 6 to 40 seconds.
Default:
20
Minimum: The higher of
Maximum: The lower of
This defines the initial value of remaining hops for MSTI information
generated at the boundary of an MSTI region. It defines how many bridges a
root bridge can distribute its BPDU information. Valid values are in the range
to
hops.
6
40
The number of BPDU's a bridge port can send per second. When exceeded,
transmission of the next BPDU is delayed. Valid values are in the range of
to
BPDU's per second.
10
Description
Controls whether a port explicitly configured as Edge will transmit and
receive BPDUs.
Controls whether a port explicitly configured as Edge will disable itself upon
reception of a BPDU. The port enters the error-disabled state, and is
removed from the active topology.
Controls whether a port in the error-disabled state automatically will be
enabled after a certain time. If recovery is not enabled, ports have to be
disabled and re-enabled for normal STP operation. The condition is also
cleared by a system reboot.
The time that has to pass before a port in the error-disabled state can be
enabled. Valid values are between
or
[(Max. Message Age / 2) +
4
or
[2 x (Hello Time +
6
or
[2 x (Forward Delay
40
and
30
86400
Chapter 4: Web configuration
1]
1)].
-1)]
seconds (24 hours).
1
139
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