User Manual

24-Port and 48-Port Gigabit Ethernet PoE+ Smart Switches with 4 SFP Ports
Manage Device Security User Manual385
For information about the credentials, see Credentials for the device UI on page 30.
5. Click the Go button.
The System Information page displays.
6. Select Security > T
raffic Control > Storm Control
.
7. In the Storm Control section, from the Ingress Control Mode menu, select one of the
following modes for storm control:
• Disabled. Storm control is disabled.
This is the default setting.
•
Unknown Unicast. If the rate of incoming unknown Layer 2 unicast traffic (that is,
traf
fic for which a destination lookup failure occurs) increases beyond the configured
threshold on an interface, the traffic is dropped.
• Multicast. If the rate of incoming Layer 2 multicast traffic increases beyond the
configured threshold on an interface, the traf
fic is dropped.
• Broadcast. If the rate of incoming Layer 2 broadcast traffic increases beyond the
configured threshold on an interface, the traf
fic is dropped.
8. If the selection from the Ingress Control Mode menu is not Disabled, specify
whether the
ingress control mode is enabled by selecting Enable or Disable from the Status menu.
9. In the Threshold field, specify the maximum rate at which unknown packets are forwarded.
The range is a percent of the total threshold between 0 and 100%. The default is 5%.
10. From the Control Action mode menu, select one of the following options:
• None. No action is taken. This is the default setting.
•
Trap. If the threshold of the configured broadcast storm is exceeded, a trap is sent.
• Shutdown. If the threshold of the configured broadcast storm is exceeded, the port is
shut down.
11. Click the Apply button.
Your settings are saved.