The Simple Network Management Protocol (SNMP) has been around for decades and consists of three versions
- SNMPv1
- GET, GET-NEXT, SET, and Trap
- 32 bit integers
- clear text community strings, acting as passwords
- SNMPv2c
- Introduces, with SMIv3
- Get-Bulk
- Informs (acknowledged traps)
- 64 bit counters
- Introduces, with SMIv3
- SNMPv3
- Comprehensive security
