User Manual

24-Port and 48-Port Gigabit Ethernet PoE+ Smart Switches with 4 SFP Ports
Manage Device Security User Manual387
The default settings in the Port Settings section depends on the global storm control
settings (see
Configure global storm control settings on page 384), which apply to all
ports.
7. In the Port Settings section, select one or more interfaces by taking one of the following
actions:
• T
o configure a single interface, select the check box associated with the port, or type
the port number in the Go To Interface field and click the Go button.
• T
o configure multiple interfaces with the same settings, select the check box
associated with each interface.
• T
o configure all interfaces with the same settings, select the check box in the heading
row.
8. From the Status menu,
specify whether the ingress control mode is enabled for the port by
selecting Enable or Disable.
9. In the Threshold field, specify the maximum rate at which unknown packets are forwarded
for the port.
The range is a percent of the total threshold between 0 and 100%.
10. From the Control Action mode menu, select one of the following options for the port:
• None. No action is taken.
• 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.
Manage port security
Port security lets you lock one or more ports on the switch. When a port is locked, the port
can only forward packets with a source MAC addresses that you specifically allowed. The
port discards all other packets.
Configure the global port security mode
To configure the global port security mode:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is of
f-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser
, enter the IP address of the switch.
If you do not know the IP address of the switch, see
Access the switch on-network and
connected to the Internet on page 21 or Access the switch off-network and not
connected to the Internet on page 29.