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5.6 802.1x
IEEE 802.1x is the authentication standard designated by IEEE about user accessing network, and is a
type of network access control protocol based on port. Therefore, the exact 802.1x authentication
function must be configured on the device port, and for the user device which is accessed through
the port can have control on the access on network source through authentication.
5.6.1 802.1x Networking Structure
802.1x system includes three parts: Client, Device and Authentication server.
Figure 4-22 802.1x networking structure
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Client is the user terminal device that requests for LAN access, which is authenticated by the
