
AWK-5222 User’s Manual Other Console Configurations
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Forwarding delay
Setting Description Factory Default
Numerical value input
by user
(4 – 30 seconds)
The amount of time this device waits before
checking to see if it should change to a different
topology.
15 (seconds)
Max. age
Setting Description Factory Default
Numerical value input
by user
(6 – 40 seconds)
As a non-root role, if the device has not
received a hello message from the root longer
than Max. age, it will reconfigure itself as a
root. Once two or more devices on the network
are recognized as a root, the devices will
renegotiate to set up a new Spanning Tree
topology.
20 (seconds)
Enable RSTP
Setting Description Factory Default
Enable/ disable Enables or disables the port as a node on the
Spanning Tree topology.
Disable
(unchecked)
Port priority
Setting Description Factory Default
Numerical value
selected by user
Increase this port’s priority as a node on the
Spanning Tree topology by inputting a lower
number.
128
Port cost
Setting Description Factory Default
Enable/ Disable Input a higher cost to indicate that this port is
less suitable as a node for the Spanning Tree
topology
2000000
Edge port
Setting Description Factory Default
Checked/ unchecked Sets a port, which no BPDU expectedly goes
through, as an edge port
unchecked,
except WLAN1/2
ports
NOTE
We recommend you set an edge port for the port, which is connected to a non-STP/RSTP
sub-network or an end device (PLC, RTU, etc.) as opposed to network equipment. This can
prevent unnecessary waiting and negotiation of STP/RSTP protocol, and accelerate system
initialization. When an edge port receives BPDUs, it can still function as an STP/RSTP port and
start negotiation.
Setting an edge port is different from disabling STP/RSTP on a port. If you disable STP/RSTP, a
port will not deal with STP/RSTP BPDUs at all.
Port Status
Port Status indicates the current Spanning Tree status of this port. Use Forwarding for normal
transmission, or Blocking to block transmission.
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