The Cisco 2600 series router offers a powerful CPU processor with DSPs and auxiliary processors on various interfaces. The Cisco 2600 series routers are designed for advanced QoS, security and network integrations. The Cisco 2691 offers a higher degree of versatility and greater throughput for higher density WAN applications. Frontier offers used and refurbished Cisco routers. Call Frontier today or request a quote. 866-226-6344