Check_MK Werk 2764: Fixed broken SNMP checks in case SNMP check interval is configured for clusters

ID: 2764 Title: Fixed broken SNMP checks in case SNMP check interval is configured for clusters Component: Core & Setup Level: 1 Class: Bug Fix Version: 1.2.7i4 The SNMP check interval caused the agent data of single nodes to be skipped for clusters which could lead to CRITICAL clustered services which are based on SNMP checks.