3.1
Controller reachability
Use controller ping, gateway reachability and service state to distinguish IP connectivity from application-layer faults.
Network Guide · REVISION C
SC-410 Network Guide
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Document typeNetwork Guide
RevisionC
System version scope4.2+
Published11 Feb 2026
Evidence groupTechnical Library
Source scopeTechnical Library
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4.4
Time synchronisation
Configure NTP before comparing event timestamps across controllers and servers.
6.2
Intermittent faults
For intermittent faults, record timestamps and export logs before restarting services where practical.