The ExtremeSwitching X440-G2 series is based on Extreme Networks ExtremeXOS, a highly resilient OS that provides continuous uptime, manageability and operational efficiency. Each switch offers the same high-performance, non-blocking hardware technology, in the Extreme Networks tradition of simplifying network deployments through the use of common hardware and software throughout the network. The ExtremeSwitching X440-G2 switches are cost-effective campus edge switches with IEEE 802.3at PoE-plus. COMPREHENSIVE SECURITY MANAGEMENT User policy and host integrity enforcement, and identity management Universal Port Dynamic Security Profiles to provide fine granular security policies in the network Threat detection and response instrumentation to react to network intrusion with CLEAR-Flow Security Rules Engine Denial of Service (DoS) protection and IP security against man-in-the-middle and DoS attacks to harden the network infrastructure