I have a branch building connected by a wireless bridge. All of the sudden, the IP phones in the building will stop working, and I receive dropped ARP packets. I have attached a screenshot of the Sonicwall packet capture window.
192.168.1.121 / 123 = ip phones
192.168.1.153 = the ip phone card in the main NEC box
Managing application connectivity and security policies can be achieved more effectively when following a framework that automates repeatable processes and ensures that the right activities are performed in the right order.