D-Link DSA-3200 Informations techniques Page 161

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xStack
®
DGS-3200 Series Layer 2 Managed Gigabit Ethernet Switch Web UI Reference Guide
147
Port-based Network Access Control
Figure 6 - 24. Example of Typical Port-based Configuration
Once the connected device has successfully been authenticated, the Port then becomes Authorized, and all subsequent traffic on
the Port is not subject to access control restriction until an event occurs that causes the Port to become Unauthorized. Hence, if the
Port is actually connected to a shared media LAN segment with more than one attached device, successfully authenticating one of
the attached devices effectively provides access to the LAN for all devices on the shared segment. Clearly, the security offered in
this situation is open to attack.
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