Network monitoring software

320 pts.
Microsoft Windows XP
Network administration
Network monitoring
Network performance
Hi i am using an internet connection of 1Mbps. i have like 50 users who are usgin through LAN DHCP . all are connected lynksys  router  and with ehternet cable . Some time my internet is becoming slow . I want to know which IP is utilizing more bandwidth . Al users are windows XP/ Vista comuters. So Please suggest me the software free. Thanks in advance Ksr 1234

Software/Hardware used:

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In order to monitor that at the network switch level you’ll need a managed switch such as a cisco catalyst switch or a higher end router. You could setup an ISA server and route all the internet network traffic through that to see who is using the most bandwidth.

If your LinkSys supports any sort of logging that may also give you an idea on who is using the bandwidth.

Keep in mind that 1 Meg of bandwidth for 50 people is not a lot. My office with about 20 people has a 100 Meg link to the Internet. And my house with two people has a 18 Meg network connection. With just a few people doing normal web surfing that 1 Meg connection will fill up pretty quickly.

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  • Labnuke99
    It depends on what the users are doing on the internet connection. I have sites with >100 users using either T1 or E1 and the internet link is not overutilized. The key is to ensure that the link is used for business purposes only. Things like streaming media and frequent or large file transfers will saturate even a T1 link. To ensure the link is used for business purposes a web filter appliance like 8e6 or Websense is useful. See this similar question and answer. Let us know if you need additional assistance.
    32,960 pointsBadges:
  • JennyMack
    Denny, Another informative and succinct answer. Thanks for providing some insight on this one! Jenny Community Manager
    4,280 pointsBadges:
  • Kevin Beaver
    This recent article I wrote on this subject may be just what you need: Monitoring user activity with a network analyzer
    27,515 pointsBadges:
  • AndreaF
    Interesting and informative article Kevin - I just may have to pick up your books as well!
    11,330 pointsBadges:
  • Bitraptor
    Use Nagios if you can, it will be one of the better open source solutions to acomplish what you want.
    105 pointsBadges:

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