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Support Central: KB #3925: Network Automation cannot authenticate some SNMP v3 network devices

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Support Central: KB #3925: Network Automation cannot authenticate some SNMP v3 network devices

Problem Summary

Network Automation unsuccessfully attempts to authenticate devices configured with SNMP v3 and AES-256 bit or SNMP v3 and AES-192 bit encryption

Customer Environment

SNMP v3 network devices using AES-256 bit or AES-192 bit encryption

Versions

All Network Automation(NetMRI) versions

Cause

Network Automation only authenticates SNMP v3 devices which are configured with AES-128 bit encryption.

Resolution

When SNMP v3 network devices are configured with AES-256 bit encryption or AES-192 bit encryption, reconfigure these devices with AES-128 bit encryption.

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