The Cisco VPN 3020 Concentrator allows a maximum of 750 simultaneous IP Security sessions or 200 simultaneous clientless sessions. The VPN 3020 is designed for medium to large sized organization that requires bandwidth from full T1/E1 through T3/E3. The VPN 3020 is available with both redundant and nonredundant configurations. Frontier offers used and refurbished VPN 3020s. Call Frontier today or request a quote. 866-226-6344