SNMP Is Not Dead: Monitoring the Dumb Boxes

Sat, 24 Aug 2024 09:16:00 +0000

Every modern monitoring guide assumes you can install an agent. Drop a Node Exporter on the box, run Netdata, ship metrics over OTLP — all of it presumes a general-purpose computer you control, running an OS you can put software on. Then you look at your rack and realise half the things you’d like to watch are nothing of the sort. The managed switch. The UPS keeping the whole lot alive. The network printer. The PDU. The NAS with its locked-down appliance firmware. None of them will run your agent. Most of them will barely admit they run software at all.

Per-Device Bandwidth Monitoring With a Managed Switch

Sun, 14 Apr 2024 09:13:00 +0000

There is a particular flavour of homelab frustration where the whole connection feels like treacle and you have no idea which machine is to blame. The router’s traffic graph shows a fat spike — 300 Mbit sustained for twenty minutes — and that is the sum total of what it will tell you. Something is chewing the uplink. Which something? The router hasn’t the faintest, because from its point of view the entire LAN is a single blob of NAT’d traffic arriving on one interface.

Snmp - vo.rs

SNMP Is Not Dead: Monitoring the Dumb Boxes

Per-Device Bandwidth Monitoring With a Managed Switch