The ipv6 nd security rate-limit command sets a rate limit for the system to compute or verify the RSA signature in a specified period (1s).
The undo ipv6 nd security rate-limit command deletes a rate limit.
By default, the rate limit for the system to compute or verify the RSA signature is not configured.
Usage Scenario
If an attacker keeps sending SEND messages to a device, the device will be busy verifying the RSA signature. To limit the rate at which the interface verifies the RSA signature of the SEND messages, you can run the ipv6 nd security rate-limit command. If the rate at which the interface verifies the RSA signature of the SEND messages is out of the allowed range, the device will regard these messages insecure and discard them.