SNMP Exporter showing UNKNOWN module

[Aliff Ashraf]

HI all,

Appreciate if anyone can help or leave an input. As per title my SNMP exporter state is DOWN and when clicked it is showing unknown with error "server returned HTTP status 400 Bad Request".

I tried to capture snmp to my router (target 192.168.1.253) for testing but it seems not working.

Below is my SNMP yml :-

router:
  version: 2
  auth:
    community: onecommunity


  walk:
  - 1.3.6.1.2.1.1.3 # sysUpTime
  - 1.3.6.1.2.1.31.1 # ifHCInOctets
  - 1.3.6.1.2.1.2.2.1.10 # ifInOctets
  - 1.3.6.1.2.1.2.2.1.16
  - 1.3.6.1.2.1.31.1.1.1

  metrics:
  - name: ifHCInOctets
    oid: 1.3.6.1.2.1.31.1.1.1.6
    type: counter
    indexes:
    - labelname: interface
      type: gauge
    lookups:
      - labels: [interface]
        oid: 1.3.6.1.2.1.2.2.1.2
        labelname: DisplayString
      - labels: [interface]
        oid: 1.3.6.1.2.1.31.1.1.1.18
        labelname: alias

Below is my prometheus yml:-

  - job_name: routersnmp
    metrics_path: /snmp
    params:
      module: [router]
    static_configs:
      - targets:
        - 192.168.1.253
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: 192.168.1.181:9116  # URL as shown on the UI

Below is the screenshot:-

[Brian Candler]

The error is right there:

Unknown module "router"

Almost certainly you are running snmp_exporter to load a different config file than the SNMP.yml you've shown.

[Aliff Ashraf]

Yup! This is the case. Thanks for pointing that out!

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