NTOP and WireShark are good choices...but don't forget Microsoft's Network Monitor 3.3. I think it has the best protocol analyzer's available. And it's free.
________________________________ From: Cameron Cooper [ccoo...@aurico.com] Sent: Wednesday, July 01, 2009 10:46 AM To: NT System Admin Issues Subject: Network Monitor Anyone use a good network monitor that we can use to watch all traffic and analyze which user/computer is spiking our T1? _____________________________ Cameron Cooper IT Director - CompTIA A+ Certified Aurico Reports, Inc Phone: 847-890-4021 Fax: 847-255-1896 ccoo...@aurico.com<mailto:ccoo...@aurico.com> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~