Заметил ошибку после выполнения команды snmpwalk с указанием MIB вместо OID:
snmpwalk -v 2c -c public 192.168.0.1 ifIndex ifIndex: Unknown Object Identifier (Sub-id not found: (top) -> ifIndex)
А также:
For error such as:
Cannot find module (HOST-RESOURCES-MIB): At line 0 in (none)
Cannot find module (HOST-RESOURCES-TYPES): At line 0 in (none)
Cannot find module (SNMPv2-TC): At line 10 in /usr/share/mibs/netsnmp/UCD-DLMOD-MIB
Cannot find module (SNMPv2-SMI): At line 34 in /usr/share/mibs/netsnmp/UCD-SNMP-MIB
Cannot find module (SNMPv2-TC): At line 37 in /usr/share/mibs/netsnmp/UCD-SNMP-MIB
Did not find ‘enterprises’ in module #-1 (/usr/share/mibs/netsnmp/UCD-SNMP-MIB)
Did not find ‘DisplayString’ in module #-1 (/usr/share/mibs/netsnmp/UCD-SNMP-MIB)
Did not find ‘TruthValue’ in module #-1 (/usr/share/mibs/netsnmp/UCD-SNMP-MIB)
Unlinked OID in UCD-SNMP-MIB: ucdavis ::= { enterprises 2021 }
Undefined identifier: enterprises near line 39 of /usr/share/mibs/netsnmp/UCD-SNMP-MIB
Did not find ‘DisplayString’ in module #-1 (/usr/share/mibs/netsnmp/UCD-DLMOD-MIB)
Did not find ‘ucdExperimental’ in module UCD-SNMP-MIB (/usr/share/mibs/netsnmp/UCD-DLMOD-MIB)
...
Смотрим дерево мибов:
snmptranslate -Tp
Решением указанных выше ошибок будет выполнение следующих команд:
sudo apt-get install snmp-mibs-downloader sudo download-mibs sudo sed -i "s/^\(mibs *:\).*/#\1/" /etc/snmp/snmp.conf sudo service snmpd restart