D-Link DSA-3200 Informacje Techniczne Strona 201

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xStack
®
DGS-3200 Series Layer 2 Managed Gigabit Ethernet Switch Web UI Reference Guide
187
Any (MAC, 802.1X or JWAC) Mode
Figure 6 - 69. Any (MAC, 802.1X or JWAC) Mode
In the diagram above the Switch port has been configured to allow clients to authenticate using 802.1X, MAC, or JWAC. When a
client tries to connect to the network, the Switch will try to authenticate the client using one of these methods and if the client
passes they will be granted access to the network.
802.1X & IMPB Mode
Figure 6 - 70. 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.
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