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Who’s This For?
This presentation is primarily for system and network administrators looking for a robust, intuitive, scalable, and customizable tool for managing DHCP, DNS, IP addresses, address spaces, host information, etc. As an enterprise system, NetDB is best for networks with over several thousand hosts and multiple administrators.
Summary & Strengths
For over 20 years, NetDB has been the core network administration tool for the Stanford University network (SUNet). The key idea is that NetDB should contain the “ideal” model of SUNet’s physical components and logical relationships.
NetDB models actual networks with six record types: Node, Network, Domain, User, Admin Team, and Group.
Nodes also have types: regular, Template, Advanced, Router, and IPC (hosts that pass out IPs like terminal servers) that allow for complex relationships between interfaces, IP addresses, and DNS Names. For example, one node record can represent a web server with two interfaces: one for management (web-mgmt1.demo.org=10.0.1.5 with dhcp options for pxeboot), one serving several web sites on different IPs (web1.demo.org=10.0.1.11, web2.demo.org = 10.0.1.12).
Another record can represent a loptop with a static IP on the user’s home net and dynamic and/or static IPs on the wireless interface.
Command line support allows easy loading of new nodes into NetDB. Nodes can be created based on another node for easy configuration. Stanford’s DHCP servers refresh from NetDB data in less than 10 minutes.
Planned enhancements include the following:
During the last 12 years in Networking Systems at Stanford University, Sunia has worked as a network administrator, firewall engineer, backbone engineer and now monitoring engineer. Sunia is user advocate and chief tester for NetDB.
Rob Riepel is the architect for NetDB. He is also the architect/keeper/programmer for DNS and DHCP at Stanford University.
Between the two of us, we have 27 years at Stanford, one baker, one sailor, many miles in the pool and 4 irrelevent degrees.