I am new to checkmk and I am looking for help to resolve a specific problem I am facing.
We have successfully configured the checkmk using the web interface it provides, so it can monitor the amount of network packets going through different Cisco Switches.
Apparently, there is a default snmp OID that checkmk uses to get to know the number of packets going through this Cisco firewall.
I would like to know which is this default configuration that checkmk is using by default to query via snmp all of this information.
If you need any more information, do not hesitate to ask.
If you want to know the specific OIDs checkmk uses to query the SNMP agent you have to look at the check plugin implementation. The plugins are found in $OMD_ROOT/share/check_mk/checks/.
No, there are many more. grep for snmp_info in that folder.
Have a look at the service check in question. It displays the used check plugin in its details. This way you can have a direct look at the file.
This catalog of check plugins gives you a complete listing of all plugins that are shipped with your Check_MK installation. It also allows you to access the rule sets for configuring the parameters of the checks and to manually create services in case you cannot or do not want to rely on the automatic service discovery.
Thank you for solving me these doubts. Eventually I managed to understand how the code of this extensions worked and how it related to checkmk. You really are a great community.
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