Command Lookup Tool (Configuration commands)
http://www.cisco.com/cgi-bin/Support/Cmdlookup/home.pl
Ouput Interpreter (analyse of syslog events, showcommand outputs, …)
https://www.cisco.com/cgi-bin/Support/OutputInterpreter/home.pl
Error Message Decoder (analyse syslog event messages)
http://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi
Configuration Tool (official pricelist)
http://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi
Cisco Passwort-Cracker