DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet User Manual
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802.1X & IMPB Mode
This mode adds an extra layer of security by checking
the IP MAC-Binding Port Binding (IMPB) table before
trying one of the supported authentication methods. The
IMPB Table is used to create a ‘white list’ that checks if
the IP streams being sent by authorized hosts have
been granted or not. In the above diagram the Switch
port has been configured to allow clients to authenticate
using 802.1X. If the client is in the IMPB table and tries
to connect to the network using this authentication
method and the client is listed in the white list for legal
IP/MAC/port checking, access will be granted. If a client
fails one of the authentication methods, access will be
denied.
Compound Authentication Settings
Users can configure Authorization Network State Settings and Compound Authentication methods for a port or ports
on the Switch.
To view this window, click Security > Compound Authentication > Compound Authentication Settings, as shown
below:
Figure 8- 34 Compound Authentication Settings window
The following parameters may be configured:
Parameter Description
Authorization
Network State
Eenable or disable the Authorization Network State.
From Port
Use this drop-down menu to select the beginning port of a range of ports to be enabled as
compound authentication ports.
To Port
Use this drop-down menu to select the ending port of a range of ports to be enabled as
compound authentication ports.
Security Mode The compound authentication method options include: None, Any (MAC, 802.1X or WAC),
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