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Werk #10778: Cisco CPU checks: relax SNMP scan function

ComponentChecks & Agents
TitleCisco CPU checks: relax SNMP scan function
Date2020-04-17 12:11:10
Checkmk EditionCheckmk Raw Edition (CRE)
Checkmk Version1.6.0p12,2.0.0i1
LevelTrivial Change
ClassBug Fix
CompatibilityIncompatible - Manual interaction might be required

The Cisco CPU checks discovery ordering from Werk 7458 is revisited.

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 .1.3.6.1.4.1.9.9.109.1.1.1.1.2.* then cisco_cpu_multiitem is used

- if the device either the OID .1.3.6.1.4.1.9.9.109.1.1.1.1.8.1 or .1.3.6.1.4.1.9.9.109.1.1.1.1.5.1 then cisco_cpu. This acts now as a fallback and is not strict about verifying device not belonging to cisco nexus family. This as a relaxed condition to werk 5748.

- if .1.3.6.1.4.1.9.2.1.57.0 exists then cisco_oldcpu is used

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