How to configure the escape function for MAC address authentication users on S series switches

For S series switches (except the S1700), you can specify none authentication as a backup authentication mode when setting the authentication mode to RADIUS or HWTACACS. This configuration prevents authentication failures that occur if the remote authentication server does not respond due to faults or network congestion. This configuration applies to MAC address authentication, 802.1x authentication, Portal authentication, and hybrid authentication.
The configuration method is as follows:
[HUAWEI] aaa
[HUAWEI-aaa] authentication-scheme scheme1
[HUAWEI-aaa-authen-scheme1] authentication-mode radius none

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