The general objective of this article is to know about Bandwidth Monitor. It is significant to be conscious of the traffic patterns in a network in order to monitor bandwidth usage. Generating greatly granular and exact traffic information is the most important function of a ‘bandwidth monitor’. It is suggested to permit options to export the traffic information into other forms similar to PDF or CSV for ease of record maintenance. Here explain on Traffic analysis, Trend analysis, Web based, Platform independence and Network security.