Depending on your type of network switch, you can do a show mac-address (on Cisco anyway) and it will tell you the switchport that the mac address is connected to. You can track it down that way.
******************************* John C. Kelsey DuBois Regional Medical Center (: 814.375.3073 *: [email protected] ******************************* -----Original Message----- From: Erik Goldoff [mailto:[email protected]] Sent: Thursday, June 04, 2009 15:08 To: NT System Admin Issues Subject: RE: Finding a neddle in a haystack OK, maybe I'm a bit dense today, but I don't see Wireshark at portableapps.com ... Got any pointers ? Erik Goldoff IT Consultant Systems, Networks, & Security -----Original Message----- From: Kurt Buff [mailto:[email protected]] Sent: Thursday, June 04, 2009 2:43 PM To: NT System Admin Issues Subject: Re: Finding a neddle in a haystack On Thu, Jun 4, 2009 at 11:37, Jim Majorowicz <[email protected]> wrote: > The developer for one of my clients is trying to figure out what is > causing his app to crash on a regular basis. He's begun to fixate on > a system I can't positively identify that connects via SQL on a > regular basis. I suspect it's the hosted web server, but I don't have > to contact information for the hosting company, and the person with > that information is currently in China with a spotty connection and hasn't replied to my emails. > > I have the name of the host, and the MAC address but not the IP > address. Is there any way to find the IP based on the MAC, so I can > say for sure "That's the Webhost?" You're going to have to describe the network a bit more before we can say too much about that. However, I'll say that Wireshark is your friend - especially the version you find at www.portableapps.com Kurt ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
