Good luck :)
> First, you are monitoring UDP port 1645, not TCP port 1645, right?
>
> Second, there is no, easy way to do this. With TCP, you can connect
> to the port and assume that the process ( http, ftp, smtp, etc. ) is
> alive and working, as the port is being listened on. However since
> Radius uses UDP, which is a stateless protocol, unless you can get the
> server to send a response back, you have no way of knowing whether the
> UDP packets you sent were received.
>
> If you want a way to send a 'radius ping' you will have to determine a
> way to build your own Radius Packet, and send it to the server. The
> RFC describing the Radius protocol can be found at:
>
> http://www.cabletron.com/support/internet/RFC/rfc2138.txt
>
> Two radius codes you may want to play around with, ( note the
> experimental ), are:
>
> 12 Status-Server (experimental)
> 13 Status-Client (experimental)
>
> Or you could construct an actual Access Request if you want to go that
> far.
>
> The short answer, which I think you were looking for, is that there isn't
> an easy way to do this, as it uses UDP. :\
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ryan@pcslink.com Internet Services
NT is an excellent choice for managers who need to show that they used
up their fiscal year budget for hardware/software expenditures.
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