Troubleshoot SNMP

Use the following commands to troubleshoot potential SNMP issues.

To show a summary of the SNMP configuration settings on the switch:

cumulus@switch:~$ nv show service snmp-server
                     applied         description
-------------------  --------------  ---------------------------------------------------------------------
enable               on              Turn the feature 'on' or 'off'.  This feature is disabled by default.
[listening-address]  localhost       Collection of listening addresses
trap-link-down
  check-frequency    60              Link up or link down checking frequency in seconds
trap-link-up
  check-frequency    60              Link up or link down checking frequency in seconds
[username]           testusernoauth  Usernames
[username]           user1
[username]           user2
[username]           user3
[username]           user666
[username]           user999

To show a summary of the SNMP configuration settings in json format, run the nv show service snmp-server --output json --applied command.

To show the SNMP trap CPU load average, run the nv show service snmp-server trap-cpu-load-average command.

To show SNMP trap authentication failures, run the nv show service snmp-server trap-snmp-auth-failures command.

To see all the show commands for SNMP troubleshooting, run nv show service snmp-server and press the Tab key:

cumulus@switch:~$ nv show service snmp-server  <<press Tab>>
listening-address        readonly-community-v6    trap-link-down           username
mibs                     trap-cpu-load-average    trap-link-up             viewname
readonly-community       trap-destination         trap-snmp-auth-failures