Browse the largest selection of refurbished and used Cisco equipment on the Web! Frontier Computer Corp. stocks several Cisco systems. All of our Cisco equipment have several configuration options and have several features that can be attached to suit your needs. All Frontier Computer Corp. Cisco equipment is eligible for Cisco maintenance and comes with a comprehensive warranty. To learn more about our Cisco configurations use our Contact Form or call a Frontier Computer Corp. Representative toll free at 1-866-226-6344.