addition, advanced routing protocol support (RIP, OSPF), L2/L3/L4 ACL, WFQ scheduling algorithm and VLAN Stacking (QinQ) enable ES-4124 set an outstanding standard over system performance.  (less)

LAN-to-LAN connectivity simple and easy. New revenue is possible with minimum installation time and expense. It proves to be a promising technology and revenue generation tool for service providers.  (less)

than traditional ADSL gateways. It also supports RE ADSL (Reach-Extended ADSL) for higher speed and longer distance. With excellent performance and upward compatibility, the P-660H series is great as the bridge between today's communications needs and tomorrow's converged services.The ICSA-certified ZyNOS operating system ensures state-of-art firewall performance and robust security from the P-660H series. Based on Stateful Packet Inspection, Dos (Denial of Service) and DDoS features, it provides the first line defense against hackers, network intruders, and other harmful threats.The P-660H series enables network administrators to allocate network resources and to guarantee Quality of Service (QoS). The MBM (Media Bandwidth Management) function prioritizes media services, and increases productivity and efficiency in daily operations by tailoring a system to specific demands such as VoIP, video streaming, video-conferencing or MP3 applications.  (less)