How to filter MAC addresses on an AR router

On a network where security requirements for user access are high, configure the interface security function on the router to enable the MAC addresses learnt by an interface to be converted to secure MAC addresses. If the maximum number of MAC addresses that can be learnt by a router reaches the upper limit, the router does not learn new MAC addresses and allows communication with the devices of only these MAC addresses. This can prevent untrusted users from communicating with the router over this interface and improve device and network security.
For details about the function and its configuration procedure, choose Configuration Guide (via Command Line)> Security> Port Security Configuration through the URL: Product documentation."

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