Differences between port authentication and MAC address authentication on S series switches

The 802.1x protocol is a port-based network access control protocol that authenticates access users on ports of an access control device to control access to network resources. As a result, 802.1x authentication is also called port authentication.
MAC address authentication controls a user's network access rights based on the access port and the user's MAC address. After MAC address authentication is enabled on a port, the device starts authentication for a user when it detects the MAC address of the user on the port.
For S series switches (except the S1700), differences between port authentication and MAC address authentication are as follows:
- Port authentication requires secure 802.1x client software, but MAC address authentication does not require any client software.
- Port authentication requires a user to enter the user name and password in the 802.1x client, but MAC address authentication does not require the user to enter the user name or password.
- MAC address authentication is mainly used for access authentication of dumb terminals where clients cannot be installed, such as printers and scanners.

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