Security: 802.1X Authentication
Authenticated Hosts
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 326
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To define 802.1X advanced settings for ports:
STEP 1 Click Security > 802.1X/MAC/Web Authentication > Host and Session Authentication.
The authentication parameters are described for all ports. All fields except the following are 
described in the Edit page.
• Number of Violations—Displays the number of packets that arrive on the interface in 
single-host mode, from a host whose MAC address is not the supplicant MAC address.
STEP  2 Select a port, and click Edit.
STEP  3 Enter the parameters.
• Interface—Enter a port number for which host authentication is enabled. The OOB port 
is included.
• Host Authentication—Select one of the modes. These modes are described above in 
Port Host Modes. 
Single Host Violation Settings (only displayed if host authentication is Single Host):
• Action on Violation—Select the action to be applied to packets arriving in Single 
Session/Single Host mode, from a host whose MAC address is not the supplicant MAC 
address. The options are:
- Protect (Discard)—Discards the packets. 
- Restrict (Forward)—Forwards the packets.
- Shutdown—Discards the packets and shuts down the port. The ports remains shut 
down until reactivated, or until the device is rebooted.
• Traps—Select to enable traps.
• Trap Frequency—Defines how often traps are sent to the host. This field can be 
defined only if multiple hosts are disabled.
STEP  4 Click Apply. The settings are written to the Running Configuration file.
Authenticated Hosts
To view details about authenticated users, click Security > 802.1X/MAC/Web 
Authentication > Authenticated Hosts.