Collector Services

Every service on a newly enrolled collector starts switched off. A collector that’s just come online won’t check reachability, poll a single device, or receive a log line until you turn on the services you want it to run. This is deliberate, not a bug — it’s how a collector never starts pulling credentials or listening on a port you didn’t ask for.

The six services

Service	What it does
Monitor	ICMP reachability checks — is each device up or down?
Poller	SNMP and SSH metric collection from your devices.
Syslog	Receives syslog messages sent to the collector, over UDP port 514.
SNMP Traps	Listens for SNMP traps sent to the collector, over UDP port 162.
Service Monitoring	Runs synthetic HTTP, DNS, SMTP, and SMB checks you define.
Discovery	Active network discovery scans — both scans you run on demand and, on networks you’ve set to scan automatically, scheduled ones.

Turn on only what you need. A collector watching devices that never send syslog doesn’t need the Syslog service running; a collector with no synthetic checks defined doesn’t need Service Monitoring.

Turning a service on

1. Go to Configure → Collectors and open the collector.
2. Select the Settings tab.
3. Under Plugins, toggle on each service you want it to run.

A toggle saves immediately and takes effect on the collector’s next check-in — usually within a few seconds. You can turn any service on or off again at any time; nothing about the change is permanent.

Related pages

• Installing a Collector — the install itself, and the ports a collector needs open.
• Reading a Collector’s Health Tab — what each service’s status chip means once it’s running.
• Networks & Sites — assigning the networks a collector actually watches.