SECURITY
GWN780x(P) Switches series support many tools and features to enhance the security of the device against misconfiguration
or attacks.
Storm Control
Traffic suppression can limit the rate of broadcast, unknown multicast , unknown unicast, known multicast, and known unicast
packets by configuring thresholds , preventing broadcast, unknown multicast packets, and unknown unicast packets from
generating broadcast storms. Large traffic impact of known multicast packets and known unicast packets.
Storm control can block the traffic of broadcast, unknown multicast and unknown unicast packets by blocking packets or
shutting down ports . The device supports storm control for the above three types of packets on the interface according to
the packet rate, byte rate, and percentage . During a detection interval, the device monitors the average rate of three types of
packets received on the interface and compares it with the configured maximum threshold. When the packet rate is greater
than the configured maximum threshold , the device performs storm control on the interface and executes the Configured
storm control actions. Storm control actions include blocking packets and shutting down / shutdown interfaces.
If packets are blocked, when the average rate of receiving packets on the interface is less than the specified minimum
threshold, storm control will release the blocking of the packets on the interface.
If the action is to shut down / shutdown the interface, you need to manually run the command to bring up the interface,
or enable the interface state to automatically return to UP, it’s also possible to use the Auto Recovery function to bring
up the interface automatically.
Storm Control
Unit
Select Unit:
● kbps: Storm control rate will be calculated by octet-based.
● pps: Storm control rate will be calculated by packet-based.
IFG
Select IFG ( Inter Frame Gap ):
● Excluded: Exclude IFG when count ingress storm control rate.
● Included: Include IFG when count ingress storm control rate.
Storm Control → Edit
Port Displays the selected port.
Storm Control Select whether to enable Storm Control on the selected port or not.
Broadcast
Set whether to enable the storm threshold setting for broadcast packets. If Enabled Please enter a
Treshhold (Kbps).
Note: The valid range is 16~1000000, which must be a multiple of 16. Default is 10000.
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