Patrick, There's not enough information to be definitive, however, a couple of general points:
The MAC address of the S4 Gateway (or any next hop router for that matter) replaces the real MAC address of the end-host in IP packets when they pass through a router. Is proxy ARP enabled? That may also explain why the MAC address for all stations is the S4. Regards, Andy Andy Middlehurst Service Desk: +44 (0)845 850 1177 Number One Paper Mill Drive Church Hill South, Redditch, B98 8QJ Telephone: +44 (0)845 850 5577 From: Patrick Printz [mailto:[email protected]] Sent: 05 October 2011 14:08 To: Enterasys Customer Mailing List Subject: [enterasys] IP Conflicts on a subnet I am currently trying to determine why I am getting IP conflicts on a subnet that should be empty. When I did a scan of the ip range, it is showing stations as being active for a lot of IP's, which all have the same MAC address. The MAC address is that of our S4 core. The problem subnet is meant for our VoIP phones, but they are having issues, which I feel are stemming from this IP conflict. This issue is not happening on any other subnets. The setup for this subnet is the same as the others, so I am perplexed as to what could be causing this. Patrick Printz Network Infrastructure Quinsigamond Community College 670 West Boylston Street Worcester, MA 01606-2092 w. 508-854-7517 c. 508-726-9529 "If a man is called a streetsweeper, he should sweep streets even as Michelangelo painted, or Beethoven composed music, or Shakespeare wrote poetry. He should sweep streets so well that all the hosts of heaven and Earth will pause to say, Here lived a great streetsweeper who did his job well." ~Martin Luther King, Jr. * --To unsubscribe from enterasys, send email to [email protected]<mailto:[email protected]> with the body: unsubscribe enterasys [email protected]<mailto:[email protected]> --- To unsubscribe from enterasys, send email to [email protected] with the body: unsubscribe enterasys [email protected]
