Bandwidth Checking

Posted on 2008-10-17
Last Modified: 2013-12-07
I have a network of 18 users , I have a E 1 line dropped which feeds  Internet bandwidth if 512 Dedicated bandwidth. I just terminate my Router to my Switch and rest of all users use internet . No domain , no workgroup . after one month of running like this , last two days my whole internet got very slow , and I called ISP , they told your bandwidth is chocked . on the other way around i just could not see which computer is uploading or downloading that much .

My queston is how i can see , which computer is downloading ,  which bandwidth monitor is there , again it is hard to figure out which user is this , but i think i will use some social Eng to find out the user , moreover it could be a worm or some Virus which is utilizing the Link at its full .

Question by:annasad

Accepted Solution

paogiver earned 168 total points
ID: 22747277
Hi annasad,

Try network monitor tools such as.. (free and powerful)

they are great, u can see live demo
LVL 13

Expert Comment

ID: 22748461
Credit goes fo uetian1707 for this list.

I'll re-post for convenience:


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Flow Analyzers

SolarWinds NetFlow Analyzer            NetFlow/SFlow
Scrutinizer NetFlow/Sflow Analyzer            NetFlow/SFlow
Caligare Flow Inspector              NetFlow/SFlow
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PRTG                    NetFlow/RRDTool
Traffic Sentinel              SFlow
Splunk                    Propriety


Ntop                    LAMP based NMS
Bandwidthd              LAMP based NMS
ODCNMS                    LAMP based NMS
ZenOSS                    LAMP based NMS
Nagios                    LAMP based NMS
JFFNMS                    LAMP based NMS
OpenNMS                    LAMP based NMS
Zabbix                    LAMP based NMS
Hyperic HQ                    LAMP based NMS
Etherape                                   LAMP based NMS
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NAVmeta                    LAMP based NMS
Netdisco                          LAMP based NMS
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MRTG                    RRDTool
Cacti                    RRDTool


Author Comment

ID: 22755280
i would have loved you guys if you have been little more specific to my query , howver I appreciate the effort put by your guys , but still looking for the same Envirnment .
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LVL 13

Expert Comment

ID: 22755558
The network monitoring software listed above will give you the source and destination IP address of the traffic. Many of them list "the top ten" bandwidth users.

Author Comment

ID: 22764483
okey , they are regardless of the domain and workgroup and takes source and destination ip address , in my case destination is the same for each one but source is different , all you have listed are propriatery one .  which one is best in your openion .


Author Comment

ID: 22804597
Still no Reply ....
LVL 13

Assisted Solution

kdearing earned 166 total points
ID: 22806581
Sorry for the delay...
I use SolarWinds and it works flawlessly.
If your budget is tight, NTOP and Nagios are very popular; my preference is NTOP.
LVL 32

Assisted Solution

by:Kamran Arshad
Kamran Arshad earned 166 total points
ID: 23333195

Simply deploy Cacti and it will show you all that you want;

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