1. N e t d i s c o

2. http://netdisco.org/Netdisco_Resnet_2004.pdf (.ppt)
Intro ► Welcome
Intro
What is Netdisco?
History
Details
Features
Requirements
Device Support
Future
Q+A
Vendor: “We offer a wealth of functionality!”
J. Warner: “We call that rope.”
(.ppt)

3. Intro ► What is Netdisco?
Open Source Software
Network Management
Switch Port Management
Inventory
Usage History and Security
Product of UC Santa Cruz

5. Intro ► Node Search

6. Intro ► Motivation Problem Users on a Resnet?
History of Port and IP Usage
Inventory of Network Devices
Network Debugging & Monitoring
Easy to use

7. Intro ► History May 16, 2003 – First Public Release on Source Forge
Dec 30, 2002 – SNMP::Info Released to CPAN
Oct, 2002 – Coding Begins
April, 2002 – Booloo wants a MAC finder
Oct, 2001 – arpnip and macsuck
“Does netdisco ever feel like a really bad porn movie to you too?”
– Mike Hunter, UC Berkeley

8. Intro ► Sources of Info MAC Address  Switch Port Number
Switch: “Computer 08:08:08:e0:e0:00 lives on Port 5.”
IP Address  MAC Address
Router: “IP Address is being used by :08:08:e0:e0:00.”
IP Address  DNS Name
DNS Server: “Address is netdisco.org.”

9. Intro ► L2 vs. L3 (L2) Layer-Two - Ethernet MAC address
Switches, Hubs
08:08:08:e1:e1:00
(L3) Layer-Three - IP Address
Routers, Firewalls

10. Intro ► Topology Info A C B
Netdisco: You know where the computer for our Action Hero lives?
Switch C: Yeah, right here on my uplink port!
Netdisco: Cool! Where does that go?
Switch C: Switch B Port X!

11. Intro ► Uplink Ports How to identify an Uplink Port
L2 Topology Protocol
Cisco Discovery Protocol – CDP
Look for ports with lots of devices
Look for MACs of Switches
Keep a list
Bell-Labs Paper: Topology Discovery in Heterogeneous IP Networks
Bell-Labs Paper: Physical Topology Discovery for Large Multi-Subnet Networks

12. Details
Features
Requirements
Architecture
Device Support
“Features”

13. Details ► Features Switch Ports MAC  IP  Switch Port
Ports with lots of IP or MAC Addresses in use
Central location to disable Ports

14. Details ► Features Network Security and Maintenance L2 Traceroute
Duplex Mismatch Finder
Wireless Access Point (AP) Finder

15. Details ► Features Reporting Pretty Map IP Address usage History
Network Inventory
by IOS, Vendor, Model, Subnet

17. Details ► Features ► Port View

18. Details ► Features ► Port Control

19. Details ► Features ► Port Log

20. Details ► Requirements
Computer (P3 / 500M / 10G / Fast I-O )
Operating System (Linux, xBSD, OS/X)
Software*
Admin (Unix guru advised)
Network (Cisco favored)
Time (LOTS)
Text Editor
*netdisco, Perl, Mason, Net-SNMP, PostgreSQL, Apache 1, mod_perl, mod_ssl, GraphViz, MIBs

21. Details ► Architecture
Front-End
Back-End
Apache Web Server
Shared Library
SNMP::Info
Cron
Mason Components
Database
Main EXE
Admin Daemon
SNMP
Netdisco
Browser
Switches and Routers

22. Details ► Device Support
Cisco HP
Bay
Foundry
Allied
Asante
Zyxel

23. Details ► Device Support
SNMP::Info
Supports all SNMP devices
Easily extendable
Baseline compatibility with MIB-ii
Vendor-Specific Extensions
Attach MIBs to device families

24. Details ► “Features” INSTALL Process PostgreSQL Performance
feature (n) - a prominent aspect of something
INSTALL Process
PostgreSQL Performance
Problem Device Families

25. The Future of Netdisco Future Features Maintenance Packaged Version
discograph – MRTG / Cricket / NRG type thingy
MySQL Port
Maintenance
Packaged Version

26. Q+A NOW ACCEPTING QUESTIONS* For more info visit: Demo Site:
Demo Site:
*(Answers not Guaranteed)