see also [[computer:cacti]]

====== SNMP ======
===== Cisco =====
ASA
  * display OIDs supported on system: ''show snmp-server oidlist''

===== snmptt =====
  * translates incoming received traps into mutiple output formats including syslog, DB, email, application
  * http://www.snmptt.org/
  *  

===== snmptrapd =====
  * daemon configuration file is /etc/default/snmp
    * set trapd to run manually & specify flags as necessary
  * main configuration file is /etc/snmp/snmptrapd.conf
    * calls snmptt via ''traphandle default /usr/sbin/snmptthandler''




===== Logging and Trap Values =====
^Facility ^ FF Value ^ Severity ^ Action ^
| local 0   | 16	| Emergency	| System unusable |
| local 1   | 17	| Alert		| Immediate action needed |
| local 2   | 18	| Critical	| Critical conditions exist |
| local 3   | 19	| Error		| Error conditions exist |
| local 4   | 20	| Warning	| Warning conditions exist |
| local 5   | 21	| Notice	| Normal but significant conditions exist |
| local 6   | 22	| Informational	| Informational messages |
| local 7   | 23	| Debug		| Debug messages |