Completing this recipe requires having completed the previous recipe, Configuring traffic shaping using the traffic-shaping wizard recipe, or having run the wizard previously. Doing so will ensure the traffic shaping queues have been created.  

EchoLink is a program that allows amateur radio operators to communicate over a VoIP connection. It uses UDP on ports 5198 and 5199, and uses TCP on port 6000. In order to prioritize EchoLink traffic, we will create two rules (one for UDP traffic and the other for TCP traffic).