Werk #10343: lnx_if: Fixed flapping discovery of interfaces if output of ethtool is missing

Component Checks & Agents
Title lnx_if: Fixed flapping discovery of interfaces if output of ethtool is missing
Date Oct 16, 2019
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0i1 1.6.0p5
Level Trivial Change
Class Bug Fix
Compatibility Incompatible - Manual interaction might be required

Re-discoveries on Linux hosts which provide the {{lnx_if}} section may found new and vanished interfaces if the output of ethtool is missing. You have to perform a rediscovery on affected Linux hosts.

Moreover if you have already used a previous 1.6.0 version then some interface statistics may be faulty.

Details: lnx_if section consists of three parts: {{ip address}}, {{/proc/net/dev}} and {{ethtool}}. {{ip address}} and {{ethtool}} may be missing. If the index of {{ethtool}} is available we use this one. Otherwise we sort the output of {{/proc/net/dev}} as the agent does and calculate the index synthetically.

To the list of all Werks