How to optimize VoIP traffic on a Cisco Catalyst 3550
Contributed by Headhunter 
September 28, 2004 
Tagged: Cisco switch
With VoIP we all know that QoS is very important. Cisco has made it easy for us to optimize VoIP traffic on a Catalyst 3550 multilayer switch.
Using the auto qos voip interface configuration command will enable VoIP QoS settings for that switchport without us doing any calculations for thresholds etc…