Operational Defect Database
BugZero updated this defect 58 days ago.
Data sources
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VMware | 372651
Smarts IP/AM: "FirstDiscoveredAt" dates for previously discovered devices in topology change to today's date; Receive flood of "Interface Down" alarms from all routers in Smarts IP domain
Last update date:
3/22/2024
Affected products:
Smart Assurance - SMARTS
Affected releases:
No affected releases provided.
Fixed releases:
No fixed releases provided.
Description:
Symptoms
FirstDiscoveredAt dates for previously discovered devices in Smarts IP topology change to today's date FirstDiscoveredAt dates for each device in a Smarts IP topology change to today's date, even though the devices had previously been discovered by Smarts at an earlier date All the FirstDiscoveredAt dates for each device in a Smarts IP topology change to the date on which the discovery is run, even though the devices had been previously discovered by Smarts at an earlier date Receive flood of Interface Down alarms from all routers in Smarts IP domain Following a full Smarts IP discovery, there is a flood of alarms (200+) from devices in the IP topology
Cause
This issue occurs when the Smarts IP domain is re-started and the --clean-topology flag is set. With the --clean-topology flag set, the repository file is not read from disk into memory, so Smarts will discover the devices with an empty new repository, and all interfaces which are administratively down will generate alarms.
Resolution
To prevent this issue, do not use the --clean-topology flag unless you want Smarts not to read your existing topology into memory.
