KBI 311778 Device Configuration Monitoring Alerts Even When Change Not Made
Version
Argent Advanced Technology 5.1A-1804-A and above
Date
Monday, 16 September 2019
Summary
This is about Automated Device Configuration in Argent for SNMP, relevant reading:
https://help.argent.com/#KBI_311638
Customer may find false alerts always fired for certain network devices, even if no configuration change was made
Technical Background
Argent for SNMP can back up configuration for almost any brand & model of network devices, accept SSH and allow “show configuration” using command line
Certain brand and model always output current time in device configuration output
An example is shown below:
When the current time stamp is part of configuration output, it causes “a change” is detected by Argent
However, network administrator may not have made any changes
The issue is caused by device behavior and can be addressed by Argent built-in feature
Resolution
The current time stamp is usually in one of the top lines of configuration output
Customer can use ‘Ignore Top Lines’ feature in License Manager in Argent for SNMP, by defining the number of lines to be ignore in the device configuration output
An example is shown below: