...Other features include: real time SVG graphs on links, web2cli engine (AJAX to Telnet/CLI), editable maps, auto layout (based esentially on GraphViz), VLAN mapping (work in progress) based on SNMP.
Based off of bandwidthd (http://sourceforge.net/projects/bandwidthd) but updated to support large networks (13,000+ devices). IPv6 support is in the works. Our thanks goes to the original authors of bandwidthd who made this possible.