N e t  d i s c o
Intro  ►  Welcome <ul><li>Intro </li></ul><ul><ul><li>What is Netdisco? </li></ul></ul><ul><ul><li>History </li></ul></ul>...
Intro  ►  What is Netdisco? <ul><li>Open Source  Software </li></ul><ul><li>Network Management </li></ul><ul><ul><li>Switc...
 
Intro  ►  Node Search
Intro  ►  Motivation <ul><li>Problem Users  on a Resnet? </li></ul><ul><li>History  of Port and IP Usage </li></ul><ul><li...
Intro  ►  History <ul><li>May 16, 2003  –  First Public Release on Source Forge </li></ul><ul><li>Dec 30, 2002  –  SNMP::I...
Intro  ►  Sources of Info <ul><li>MAC Address    Switch Port Number </li></ul><ul><li>Switch : “Computer  08:08:08:e0:e0:...
Intro  ►  L2 vs. L3 <ul><li>( L2 ) Layer-Two - Ethernet MAC address </li></ul><ul><ul><li>Switches, Hubs </li></ul></ul><u...
Intro  ►  Topology Info Netdisco :  You know where the computer for our  Action Hero  lives? Switch C : Yeah, right here o...
Intro  ►  Uplink Ports <ul><li>How to identify an Uplink Port </li></ul><ul><ul><li>L2 Topology Protocol </li></ul></ul><u...
Details <ul><li>Features </li></ul><ul><li>Requirements </li></ul><ul><li>Architecture </li></ul><ul><li>Device Support </...
Details  ►  Features <ul><li>Switch Ports </li></ul><ul><ul><li>MAC    IP    Switch Port  </li></ul></ul><ul><ul><li>Por...
Details  ►  Features <ul><li>Network Security and Maintenance </li></ul><ul><ul><li>L2 Traceroute </li></ul></ul><ul><ul><...
Details  ►  Features <ul><li>Reporting </li></ul><ul><ul><li>Pretty Map </li></ul></ul><ul><ul><li>IP Address usage  Histo...
 
Details  ►  Features  ►   Port View
Details  ►  Features  ►   Port Control
Details  ►  Features  ►   Port Log
Details  ►  Requirements <ul><li>Computer   (P3 / 500M / 10G / Fast I-O ) </li></ul><ul><li>O perating  S ystem    (Linux,...
Details  ►  Architecture Back-End Main EXE Mason Components Apache  Web Server Front-End Admin Daemon Shared   Library SNM...
Details  ►  Device Support <ul><li>Cisco </li></ul><ul><li>HP </li></ul><ul><li>Bay  </li></ul><ul><li>Foundry </li></ul><...
Details  ►  Device Support <ul><li>SNMP::Info </li></ul><ul><ul><li>Supports all SNMP devices </li></ul></ul><ul><ul><ul><...
Details  ►  “Features” <ul><li>feature (n)  -  a prominent aspect of something </li></ul><ul><li>INSTALL  Process </li></u...
The  Future   of Netdisco <ul><li>Future  Features </li></ul><ul><ul><li>disco graph   –  MRTG / Cricket / NRG  type thing...
Q+A <ul><li>NOW ACCEPTING  QUESTIONS * </li></ul><ul><ul><li>For more info visit: </li></ul></ul><ul><ul><li>http://netdis...
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  1. 1. N e t d i s c o
  2. 2. Intro ► Welcome <ul><li>Intro </li></ul><ul><ul><li>What is Netdisco? </li></ul></ul><ul><ul><li>History </li></ul></ul><ul><li>Details </li></ul><ul><ul><li>Features </li></ul></ul><ul><ul><li>Requirements </li></ul></ul><ul><ul><li>Device Support </li></ul></ul><ul><li>Future </li></ul><ul><li>Q+A </li></ul>Vendor: “ We offer a wealth of functionality! ” J. Warner: “ We call that rope. ” http://netdisco.org/Netdisco_ Resnet _2004. pdf ( .ppt )
  3. 3. Intro ► What is Netdisco? <ul><li>Open Source Software </li></ul><ul><li>Network Management </li></ul><ul><ul><li>Switch Port Management </li></ul></ul><ul><ul><li>Inventory </li></ul></ul><ul><ul><li>Usage History and Security </li></ul></ul>Product of UC Santa Cruz
  4. 5. Intro ► Node Search
  5. 6. Intro ► Motivation <ul><li>Problem Users on a Resnet? </li></ul><ul><li>History of Port and IP Usage </li></ul><ul><li>Inventory of Network Devices </li></ul><ul><li>Network Debugging & Monitoring </li></ul><ul><li>Easy to use </li></ul>
  6. 7. Intro ► History <ul><li>May 16, 2003 – First Public Release on Source Forge </li></ul><ul><li>Dec 30, 2002 – SNMP::Info Released to CPAN </li></ul><ul><li>Oct, 2002 – Coding Begins </li></ul><ul><li>April, 2002 – Booloo wants a MAC finder </li></ul><ul><li>Oct, 2001 – arpnip and macsuck </li></ul><ul><li>“ Does netdisco ever feel like a really bad porn movie to you too? ” </li></ul><ul><li>– Mike Hunter, UC Berkeley </li></ul>
  7. 8. Intro ► Sources of Info <ul><li>MAC Address  Switch Port Number </li></ul><ul><li>Switch : “Computer 08:08:08:e0:e0:00 lives on Port 5 .” </li></ul><ul><li>IP Address  MAC Address </li></ul><ul><li>Router : “IP Address 216.200.40.145 is being used by 08:08:08:e0:e0:00 .” </li></ul><ul><li>IP Address  DNS Name </li></ul><ul><li>DNS Server : “Address 216.200.40.145 is netdisco.org .” </li></ul>
  8. 9. Intro ► L2 vs. L3 <ul><li>( L2 ) Layer-Two - Ethernet MAC address </li></ul><ul><ul><li>Switches, Hubs </li></ul></ul><ul><ul><li>08:08:08:e1:e1:00 </li></ul></ul><ul><li>( L3 ) Layer-Three - IP Address </li></ul><ul><ul><li>Routers, Firewalls </li></ul></ul><ul><ul><li>216.200.40.145 </li></ul></ul>
  9. 10. Intro ► Topology Info 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! C B A
  10. 11. Intro ► Uplink Ports <ul><li>How to identify an Uplink Port </li></ul><ul><ul><li>L2 Topology Protocol </li></ul></ul><ul><ul><ul><li>Cisco Discovery Protocol – CDP </li></ul></ul></ul><ul><ul><li>Look for ports with lots of devices </li></ul></ul><ul><ul><li>Look for MACs of Switches </li></ul></ul><ul><ul><li>Keep a list </li></ul></ul><ul><li>Bell-Labs Paper: Topology Discovery in Heterogeneous IP Networks </li></ul><ul><ul><li>http://www.bell-labs.com/user/minos/Abstracts/infocom00-abs.html </li></ul></ul><ul><li>Bell-Labs Paper: Physical Topology Discovery for Large Multi-Subnet Networks </li></ul><ul><ul><li>http://www.bell-labs.com/user/minos/Abstracts/infocom03-abs.html </li></ul></ul>
  11. 12. Details <ul><li>Features </li></ul><ul><li>Requirements </li></ul><ul><li>Architecture </li></ul><ul><li>Device Support </li></ul><ul><li>“ Features” </li></ul>
  12. 13. Details ► Features <ul><li>Switch Ports </li></ul><ul><ul><li>MAC  IP  Switch Port </li></ul></ul><ul><ul><li>Ports with lots of IP or MAC Addresses in use </li></ul></ul><ul><ul><li>Central location to disable Ports </li></ul></ul>
  13. 14. Details ► Features <ul><li>Network Security and Maintenance </li></ul><ul><ul><li>L2 Traceroute </li></ul></ul><ul><ul><li>Duplex Mismatch Finder </li></ul></ul><ul><ul><li>Wireless Access Point (AP) Finder </li></ul></ul>
  14. 15. Details ► Features <ul><li>Reporting </li></ul><ul><ul><li>Pretty Map </li></ul></ul><ul><ul><li>IP Address usage History </li></ul></ul><ul><ul><li>Network Inventory </li></ul></ul><ul><ul><ul><li>by IOS, Vendor, Model, Subnet </li></ul></ul></ul>
  15. 17. Details ► Features ► Port View
  16. 18. Details ► Features ► Port Control
  17. 19. Details ► Features ► Port Log
  18. 20. Details ► Requirements <ul><li>Computer (P3 / 500M / 10G / Fast I-O ) </li></ul><ul><li>O perating S ystem (Linux, xBSD, OS/X) </li></ul><ul><li>Software * </li></ul><ul><li>Admin (Unix guru advised) </li></ul><ul><li>Network (Cisco favored) </li></ul><ul><li>Time (LOTS) </li></ul><ul><li>Text Editor </li></ul><ul><li>* netdisco, Perl, Mason, Net-SNMP, PostgreSQL, Apache 1, mod_perl, mod_ssl, GraphViz, MIBs </li></ul>
  19. 21. Details ► Architecture Back-End Main EXE Mason Components Apache Web Server Front-End Admin Daemon Shared Library SNMP::Info Switches and Routers SNMP Netdisco Database Cron Browser
  20. 22. Details ► Device Support <ul><li>Cisco </li></ul><ul><li>HP </li></ul><ul><li>Bay </li></ul><ul><li>Foundry </li></ul><ul><li>Allied </li></ul><ul><li>Asante </li></ul><ul><li>Zyxel </li></ul>http://snmp-info.sourceforge.net/DeviceMatrix.html
  21. 23. Details ► Device Support <ul><li>SNMP::Info </li></ul><ul><ul><li>Supports all SNMP devices </li></ul></ul><ul><ul><ul><li>Easily extendable </li></ul></ul></ul><ul><ul><ul><li>Baseline compatibility with MIB-ii </li></ul></ul></ul><ul><ul><ul><li>Vendor-Specific Extensions </li></ul></ul></ul><ul><ul><ul><li>Attach MIBs to device families </li></ul></ul></ul>
  22. 24. Details ► “Features” <ul><li>feature (n) - a prominent aspect of something </li></ul><ul><li>INSTALL Process </li></ul><ul><li>PostgreSQL Performance </li></ul><ul><li>Problem Device Families </li></ul>
  23. 25. The Future of Netdisco <ul><li>Future Features </li></ul><ul><ul><li>disco graph – MRTG / Cricket / NRG type thingy </li></ul></ul><ul><ul><li>MySQL Port </li></ul></ul><ul><li>Maintenance </li></ul><ul><li>Packaged Version </li></ul>
  24. 26. Q+A <ul><li>NOW ACCEPTING QUESTIONS * </li></ul><ul><ul><li>For more info visit: </li></ul></ul><ul><ul><li>http://netdisco.org </li></ul></ul><ul><ul><li>Demo Site: </li></ul></ul><ul><ul><li>http://netdisco.org/demo </li></ul></ul><ul><li>* (Answers not Guaranteed) </li></ul>

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