xStack® DGS-3120 Series Managed Switch Web UI Reference Guide 
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TxPeriod 
This sets the TxPeriod of time for the authenticator PAE state machine. This value 
determines the period of an EAP Request/Identity packet transmitted to the client. The 
default setting is 30 seconds. 
ReAuthPeriod 
A constant that defines a nonzero number of seconds between periodic re-
authentication of the client. The default setting is 3600 seconds. 
ReAuthentication 
Determines whether regular re-authentication will take place on this port. The default 
Port Control 
This allows the user to control the port authorization state.  
 
Select ForceAuthorized to disable 802.1X and cause the port to transition to the 
authorized state without any authentication exchange required. This means the port 
transmits and receives normal traffic without 802.1X-based authentication of the client.  
 
If ForceUnauthorized is selected, the port will remain in the unauthorized state, ignoring 
all attempts by the client to authenticate. The Switch cannot provide authentication 
services to the client through the interface.  
 
If Auto is selected, it will enable 802.1X and cause the port to begin in the unauthorized 
state, allowing only EAPOL frames to be sent and received through the port. The 
authentication process begins when the link state of the port transitions from down to 
up, or when an EAPOL-start frame is received. The Switch then requests the identity of 
the client and begins relaying authentication messages between the client and the 
authentication server.  
 
The default setting is Auto. 
Capability 
This allows the 802.1X Authenticator settings to be applied on a per-port basis. Select 
Authenticator to apply the settings to the port. When the setting is activated, a user 
must pass the authentication process to gain access to the network. Select None 
disable 802.1X functions on the port. 
Direction  Sets the administrative-controlled direction to Both or In. If Both is selected, control is 
exerted over both incoming and outgoing traffic through the controlled port selected in 
the first field. If In is selected, the control is only exerted over incoming traffic through 
the port the user selected in the first field. 
Forward EAPOL 
PDU 
This is a global setting to control the forwarding of EAPOL PDU. When 802.1X 
functionality is disabled globally or for a port, and if 802.1X forward PDU is enabled 
both globally and for the port, a received EAPOL packet on the port will be flooded in 
the same VLAN to those ports for which 802.1X forward PDU is enabled and 802.1X is 
disabled (globally or just for the port). The default state is disabled. 
Max Users 
Specifies the maximum number of users. The maximum user limit is 448 users. The 
Click the Refresh button to refresh the display table so that new entries will appear. 
Click the Apply button to accept the changes made. 
 
802.1X User Settings 
Users can set different 802.1X users in switch’s local database. 
To view this window, click Security > 802.1X > 802.1X User Settings as shown below: