Where to get more information
The Simple Book - Marshall T. Rose
TCP/IP network admin - Craig Hunt (O’Reilly)
http://www.uga.edu/~ucns/tti/Computer_Review/Fall95/snmp.html
http://ganges.cs.tcd.ie/4ba2/x700/snmp/differences.html
http://www.anixter.com/snmp4.html
http://wwwsnmp.cs.utwente.nl/
http://smurfland.cit.buffalo.edu/NetMan/Archives.html