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Werk #7458: Cisco CPU checks: Cleaned up SNMP scan functions

ComponentChecks & Agents
TitleCisco CPU checks: Cleaned up SNMP scan functions
Date2019-05-07 13:41:23
Checkmk EditionCheckmk Raw Edition (CRE)
Checkmk Version1.6.0b1
LevelTrivial Change
ClassBug Fix
CompatibilityIncompatible - Manual interaction might be required

There are four Cisco CPU checks: cisco_cpu, cisco_cpu_multiitem, cisco_nexus_cpu, cisco_oldcpu. We discover the Cisco CPU utilization services in the following order:

- if it's a Nexus device the cisco_nexus_cpu check is used

- if the device contains the SNMP table .1.3.6.1.4.1.9.9.109.1.1.1.1.8.* then cisco_cpu_multiitem is used

- if the device has the OID .1.3.6.1.4.1.9.9.109.1.1.1.1.5.1 then cisco_cpu is used

- if .1.3.6.1.4.1.9.2.1.57.0 exists then cisco_oldcpu is used

After firmware updates there may be deprecated OIDs like .1.3.6.1.4.1.9.2.1.57.0 or .1.3.6.1.4.1.9.9.109.1.1.1.1.5.1. In such cases you have to re-discover the related hosts.

There also may Cisco hosts which have discovered the 'wrong' check type. After a re-discovery the CPU check type may change.