General Features and Benefits  Layer 3 switching functionality to divide a large network into hierarchical subnets and allow data and information to communicate across networks Command Line Interface (CLI) for quickly configuring major managed functions* IPv6 Ready logo awarded (IPv6 Logo Committee certified)  Software-based IEEE 1588 PTP V2* (Precision Time Protocol) for precise time synchronization of networks DHCP Option 82 for IP address assignment with different policies EtherNet/IP* and Modbus/TCP industrial Ethernet protocols supported Turbo Ring, Turbo Chain, and IEEE 802.1D-2004 RSTP/STP Modbus/TCP industrial Ethernet protocol supported Supports multicast routing protocols PIM-DM/DVMRP* Supports advanced VLAN capability with Q-in-Q tagging* IGMP snooping and GMRP for filtering multicast traffic from industrial Ethernet protocols IEEE 802.3ad, LACP for optimum bandwidth utilization Bandwidth management prevents unpredictable network status Multi-port mirroring for online debugging Automatic warning by exception through email, relay output Automatic recovery of connected devices"  IP addresses RMON for efficient network monitoring and proactive capability Line-swap fast recovery Configurable by Web browser, Telnet/Serial console, CLI* Windows utility, and ABC-01 automatic backup configurator Works with MXview industrial network management software   *Available in Q2, 2012 Cyber-security Features User passwords with multiple levels of security protect against unauthorized configuration SSH/HTTPS is used to encrypt passwords and data Lock switch ports with 802.1x port-based network access control so that only authorized clients can access the port Disable one or more ports to block network traffic 802.1Q VLAN allows you to logically partition traffic transmitted between selected switch ports Secure switch ports so that only specific devices and/or MAC addresses can access the ports Radius/TACACS+ allows you to manage passwords from a central location (available in Q1 Y2011) SNMPv3 provides encrypted aut