Details
Use the ip firewall check reflexive-traffic command to enable the AOS stateful inspection firewall to
process Internet Protocol version 4 (IPv4) traffic from a primary subnet to a secondary subnet on the same interface through the firewall
Solution
Run the following command to enable stateful inspection :
ip firewall check reflexive-traffic
This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Adtran.