S350 Series 24-Port (PoE+) and 48-Port Gigabit Ethernet Smart Managed Pro Switches
Manage Device Security User Manual256
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 off-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
Discover or Change the Switch IP
Address on page 12.
The login window opens.
4. Enter the switch’s password in the Password
field.
The default password is password.
The System Information page displays.
5. Select Security > T
raffic Control > Port Security > Port Security Configuration
.
The Port Security Configuration page displays.
The page also shows the Port Security Violations table.
6. T
o enable port security on the switch, select the Port Security Mode Enable
radio button.
The default is Disable.
7. Click the Apply button.
Your settings are saved.
By default, port security is disabled for individual ports.
8. After you enable port security for individual ports (see
Configure a Port Security Interface
on page 257), click the Refresh button to refresh the page with the latest information about
the ports.
The Port Security Violations table shows information about violations that occurred on ports
that are enabled for port security.