Hierarchical maps: complete end-to-end network view and inventory. Autodisc.24 x 7 performance and availability monitoring at multiple levels: network/map/submap/device/interface. Scalable to virtually unlimited number of network nodes (still GreatNMS server can be simple WinXP or Vista PC). Auto-discovery (via SNMP, TCP/IP and Microsoft Domains). Graphical links representation and link status background monitoring. Capability to manage / monitor any vendor SNMP or TCP/IP compliant devices Capability to compile 3rd party SNMP MIBs and create corresponding custom devices types. GUI Capability to build custom MIB monitoring application and assign it to 3rd party devices. Client-server multi-user system with multiple user profiles. Optional capability to use MS Windows Authentication and profiles. Rich and friendly GUI available to simultaneous users both locally (at the server) and via remote Web-based console. Secure remote HTTPS access via Web Browser, no special client software installation is required. Encryption and password system corresponds to the requirements of US Department of Defense. All SNMP versions supported (SNMPv1, SNMPv2, and SNMPv3). Embedded Telnet/Telnet over SSL/SSH/TL-1 configuration option for non-SNMP compliant devices. Both IPv4 and IPv6 supported. TFTP client and server included.sysLog client and server included. HOST-MIB GUI support: CPUs load monitoring with thresholds alarms, software inventory report for all the devices supporting HOST-MIB (like Windows computers).RMON-MIB groups 1, 2, 3, and 9 GUI are supported for any RMON capable devices. GUI support for many other standard SNMP MIBs. MIB Browser included., Included special support for Cisco SNMP agents and MS Windows SNMP agents.E-mail notification of alarms with customized filters. Alarms are kept in standard SQL Database (Microsoft SQL Server Express is installed with GreatNMS). Allows viewing/reporting alarms per submap/device/port/interface..Northbound TL1,XML,SNMP.