eduroam(UK) Test of Basic Network Connectivity to your ORPS
The eduroam UK technical specification mandates that an organisations' ORPS must be PINGable from the three National RADIUS Proxy servers (NRPS) and the eduroam UK support server. This is all part of basic traffic light monitoring (red/amber/green) so we have a 'is the server up?' answer when troubleshooting. (We're moving to Status-Server in-band RADIUS checking where possible, but neither NPS nor ISE (nor previous versions - IAS or ACS) support that.
I've spent a fair bit of time over the past month trying to improve the reliability of our RADIUS service for eduroam. Previously it was entirely based on Microsoft NPS which has the tendency to silently discard authentication packets which it should really be rejecting. This creates a problem because if the authentication request originated from outside of your network (i.e.