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snmp-exporter

SNMP Exporter this exporter is the recommended way to expose SNMP data in a format which Prometheus can ingest.

How to generate snmp-exporter configuration ?

SNMP v3 must be enabled and configured on all devices.

Download the mib files :

  • Mikrotik mib
  • Brocade
  • Qnap : Go to Control Panel > Network & File Services > SNMP and Under SNMP MIB, click Download.

Don't forget to change in the following configuration :

  • <snmp_exporter_username>
  • <snmp_exporter_pass>
  • <snmp_exporter_private>
snmp-generator.yml
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---
auths:
  homelab_aes:
    version: 3
    username: "<snmp_exporter_username>"
    password: "<snmp_exporter_pass>"
    security_level: authPriv
    auth_protocol: SHA
    priv_protocol: AES
    priv_password: "<snmp_exporter_private>"
  homelab_des:
    version: 3
    username: "<snmp_exporter_username>"
    password: "<snmp_exporter_pass>"
    security_level: authPriv
    auth_protocol: SHA
    priv_protocol: DES
    priv_password: "<snmp_exporter_private>"
modules:
  # Default IF-MIB interfaces table with ifIndex.
  if_mib:
    walk:
      - 1.3.6.1.2.1.1.3 # sysUpTime
      - 1.3.6.1.2.1.2 # interfaces
      - 1.3.6.1.2.1.31.1.1 # ifXTable
    lookups:
      - source_indexes: [ifIndex]
        lookup: ifAlias
      - source_indexes: [ifIndex]
        lookup: ifDescr
      - source_indexes: [ifIndex]
        lookup: 1.3.6.1.2.1.31.1.1.1.1

  # Mikrotik CCR2004-1g-12s+2xs
  mikrotik:
    walk:
      - 1.3.6.1.2.1.1.3 # sysUpTime
      - 1.3.6.1.2.1.2 # interfaces
      - 1.3.6.1.2.1.31.1.1 # ifXTable
      - 1.3.6.1.4.1.14988 # mikrotik
    lookups:
      - source_indexes: [ifIndex]
        lookup: ifAlias
      - source_indexes: [ifIndex]
        lookup: ifDescr
      - source_indexes: [ifIndex]
        lookup: 1.3.6.1.2.1.31.1.1.1.1

  # Brocade ICX 6450-24P & ICX 7150-C12P
  brocade:
    walk:
      - 1.3.6.1.2.1.1.3 # sysUpTime
      - 1.3.6.1.2.1.2 # interfaces
      - 1.3.6.1.2.1.31.1.1 # ifXTable
      - 1.3.6.1.4.1.1991.1.1.2.1.11 # snAgImgVer
      - 1.3.6.1.4.1.1991.1.1.1.2 # snChasPwr
      - 1.3.6.1.4.1.1991.1.1.1.3 # snChasFan
      - 1.3.6.1.4.1.1991.1.1.2.11 # snAgentCpu
      - 1.3.6.1.4.1.1991.1.1.2.1.53 # snAgentMemUtil
      - 1.3.6.1.4.1.1991.1.1.2.13 # snAgentTemp
    lookups:
      - source_indexes: [ifIndex]
        lookup: ifAlias
      - source_indexes: [ifIndex]
        lookup: ifDescr
      - source_indexes: [ifIndex]
        lookup: 1.3.6.1.2.1.31.1.1.1.1

Follow instructions step from snmp-exporter documentation

Configure snmp-exporter config to use the appropriate crendentials