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annoying cisco features during the labs

Use the access-list hardware program nonblocking global configuration command to cause the system to continue to forward frames even while a new security access-control list (ACL) configuration is being programmed into the hardware. Use the no form of this command to return to the default behavior, where traffic is blocked on affected interfaces when changes are made to the security ACL configuration while the hardware is updated with the new configuration.

access-list hardware program nonblocking
no access-list hardware program nonblocking
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