Thanks! That did help. Created a job to run NETTOOL periodically (~2 minutes), appending the output to a file. I'll massage the file for unique MAC's and there ya go. Curtis >>> Mark Wonsil <[log in to unmask]> 06/03/2002 1:12:58 PM >>> Quoting Curtis Larsen <[log in to unmask]>: > Can anyone suggest the best way to capture the MAC addresses of > logged-in sessions for a period of time (e.g. a week)? Ideally I'd like > the session to tell me as it logs on, rather than running the NETTOOL > MAPPING report every 'n' minutes. (Is this something that a LINKCONTROL > TRACE can give me?) I seem to remember this conversation a while ago. Here is some discussion: http://groups.google.com/groups? q=mac+address+group:comp.sys.hp.mpe&hl=en&lr=&selm=39d3e851%241_2%40skycache- news.fidnet.com&rnum=8 HTH, Mark ----------------------------------------------------- Confidentiality Notice: This e-mail transmission may contain confidential or legally privileged information that is intended only for the individual or entity named in the e-mail address. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or reliance upon the contents of this e-mail is strictly prohibited. If you have received this e-mail transmission in error, please reply to the sender, so that we can arrange for proper delivery, and then please delete the message from your inbox. Thank you. * To join/leave the list, search archives, change list settings, * * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *