No sure it is what you need, but I've found this: http://www.frameip.com/entete-rarp/rarpd.zip
-- [EMAIL PROTECTED] The author of the freeware multi-tier middleware MidWare The author of the freeware Internet Component Suite (ICS) http://www.overbyte.be ----- Original Message ----- From: "Dave Baxter" <[EMAIL PROTECTED]> To: "ICS support mailing" <twsocket@elists.org> Sent: Thursday, May 01, 2008 3:22 PM Subject: Re: [twsocket] Reverse ARP? > Thanks Angus... > > I need to do this in a way so as to minimaly impact the network as a > whole, while "discovering" the gadgets IP address. The last time I > "Pinged" an entire (class C) subnet, I got a visit from IT!.. ;-) I > think they were more upset I knew as much as they did about such > things... > > The unit itself is an industrial RF amplifier, the network port it has > is a bought in part I've discovered, that supplier (Lantronix) have some > tools available to do this, but they are not exactly user (read, less > than capable customer who knows nothing about networks) friendly, as > they have way too many opertunities to mangle the settings, or are not > available for redistribution, such as on the units CD manual disk.. > > We know the unit's MAC address, it's printed on the case, we just need > to query it to find it's assigned IP address. Querying the DHCP server > is out of the question sadly, even though I know how to, I don't have > the rights to do so. I'd doubt if any user would either. > > Oh well, the search continues. Yes, as you say, lots of Google hits, > but no real details.. Did find a couple of other people looking for > the same, some years back. > > Thanks again. > > Dave B. > > >> -----Original Message----- >> From: Angus Robertson - Magenta Systems Ltd >> [mailto:[EMAIL PROTECTED] >> Sent: Thursday, May 01, 2008 9:46 AM >> To: twsocket@elists.org >> Subject: Re: [twsocket] Reverse ARP? >> >> > Does anyone here know how to implement a "Reverse ARP" request? >> > >> > I have a piece of hardware that has a network port for >> remote control >> > (RJ45, 10/100 UTP etc) but next to no physical user >> interface, but it >> > does support IP address assignment by DHCP. >> >> If the hardware sets it's IP address using DHCP, then the >> DHCP server should be announce the address, but whether this >> is accessible programmatically is another issue. >> >> You can ping the local subnet to find which IP addresses are >> in use, and try to connect to find your device. Using a >> threaded ping, you can send off 253 pings at the same time to >> avoid all the timeouts waiting for responses. >> >> The Microsoft IP Helper APIs do offer some ARP functions, but >> they appear to relate only to ARP on the local PC. There is >> a SendARP function, but it just returns the MAC address for a >> remote PC by IP address, whereas you want the reverse. >> >> Google brings up a lot of hits on Reverse APR and RAPR, but >> the first page does not show any tools or implementations, >> just background. >> >> Angus >> >> >> >> > This mail has been scanned by Palmer Cook Computer Services Limited. > www.palmercook.co.uk > -- > To unsubscribe or change your settings for TWSocket mailing list > please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket > Visit our website at http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be