IOS Support for SNMP Versions

Summarized by IOS trains, Table 4-1 shows the support of the different SNMP versions. You can see that, as SNMPv2 evolved, SNMPv2c replaced SNMPv2. Also note that even if SNMPv1 status is historical, the latest IOS trains still support it.

Table 4-1. SNMP Version Support Per IOS Train
SNMP VersionIOS Support
SNMPv1 and SNMPv210.3, 11.0, 11.1, 11.2
SNMPv1 and SNMPv2c11.3, 12.0
SNMPv1, SNMPv2c, SNMPv312.0(3)T and higher

12.0(6)S and higher

12.1, 12.2, 12.3

Part II: Implementations on the Cisco Devices