SNMP integration is supposed to check the availability of the server or the app.
SNMP is used protocol for monitoring the health and welfare of servers, appliances or apps (which support SNMP).
Does Symantec DLP support it on server or endpoint level?
Currently, DLP doesn't have any integration option on a server or agent level. Our Product Management team have an open feature request to enable such integration.
If your organization is looking for this feature - please let our support know. It will raise the priority of feature request for the Product Management team.