A new post is up on ignaonline.com:

SNMP v3 on Cisco IOS-XE: Full Monitoring Setup with LibreNMS and Grafana

If you're still running SNMP v1 or v2c on your Cisco gear, you're sending your community strings in cleartext. This guide covers the full path: SHA-256 authPriv user config on IOS-XE, trap/inform setup, LibreNMS device discovery, and building Grafana dashboards from LibreNMS API data. Real IOS-XE CLI commands throughout.

Read the full post →