If using netpath, can you create a probe from 1 network device to another or is a server required?
The netpath agent has to be installed on a windows machine. To do something like a netpath between network devices your best bet is to look into if your devices support the Cisco IP SLA feature
Can you elaborate a little on this?
Netpath requirements are outlined here
NetPath requirements - SolarWinds Worldwide, LLC. Help and Support
Here is an overview of Cisco IP SLA (this feature depends on your hardware supporting it and having the correct licenses from cisco, most routers have it and most newer switches can at least be configured as a responder)
Cisco IOS IP SLAs Configuration Guide, Release 12.4 - Cisco IOS IP SLAs Overview [Cisco IOS Software Releases 12.4 Main…