Troubleshooting MikroTik CCR1036 SNMP failure on loopback interface: packet captures reveal implementation quirk refusing to return traffic via different interface than request arrived on, requiring monitoring via closest interface IP.
Observium 0.14.11 released on schedule: new alerting system, Cisco ASA IPv4 session graphing from FIREWALL-MIB, Cambium Canopy support, and enabling built-in VMware ESXi SNMP monitoring.
First impressions of Observium network monitoring platform after 10 years with Cacti. Auto-discovery, 64-bit counters, total device traffic graphs, and MAC/ARP tables make it a compelling alternative.