The Network Development group maintains two web-accessible database systems: the Network Registration system (NetReg) and the Network Monitoring (NetMon) system. These systems were designed from the ground up at Carnegie Mellon.
NetReg
NetReg provides administrators a central platform for administration of network information. NetReg keeps a database of subnet information, DNS zones, DHCP options, machine registrations, and more. It has a finely grained access control mechanism to provide administrators maximum flexibility in delegating access.
NetMon
NetMon, the "sister" of NetReg, collects and processes information from the network. It captures CAM table and ARP table information from network devices, as well as store DHCP lease information (updated every minute by the DHCP servers). The goal of NetMon is to provide a real-time as well as historical view of the network. Using NetMon we are able to detect misregistered and unregistered machines.
Basic System Components
NetReg and NetMon are both written in Perl. They use the DBI modules for interfacing with MySQL databases (but they could be ported to other DBMSs fairly easily given the DBI usage.) We use the Apache web server and run mod_perl on the NetReg server. We generate DNS zonefiles and configurations for the ISC Bind 8/9 servers, and the ISC DHCP server.
What's New in This Release:
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