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How to catch high bandwidth users

I think several users are maxing out our T1 which causes slow internet use for everyone, but I'm having lots of trouble trying to find them. At night, backup servers run and when I look at the Accounting report, my backup servers are always at the top.
Is there a way to shorten the time frame of the Accounting Report?
What strategies are there to see who's using all the bandwidth during a short time frame, like in the current minute or hour?

Thanks in advance.

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0 ron-astaro@mcleodnet.com over 16 years ago

You can get a snapshot of the traffic across the various interfaces using iftop:


 secure:/home/login # iftop -i eth0

                    1.91Mb              3.81Mb              5.72Mb              7.63Mb        9.54Mb

└───────────────────┴───────────────────┴───────────────────┴───────────────────┴───────────────────

a204-2-160-17.deploy.akamaitechnolo  => ri-goodman.************x.com         2.44Mb  3.21Mb  3.18Mb

                                      172.25.129.47                         107Kb   224Kb   238Kb

                                      172.25.129.109                       81.7Kb   123Kb  58.1Kb

                                      ri-jwood-d630                        39.5Kb   131Kb   108Kb

                                      172.25.129.48                           0b    100Kb  35.9Kb

                                      ri-madoop.************x.com           448Kb  89.6Kb  32.0Kb

                                      ri-zlee.************x.com            1.63Kb  84.5Kb  90.4Kb

                                      172.25.129.92                           0b   76.0Kb  75.6Kb

                                      ri-madoop.************x.com           384Kb  76.7Kb  27.4Kb

Reply

0 ron-astaro@mcleodnet.com over 16 years ago

You can get a snapshot of the traffic across the various interfaces using iftop:


 secure:/home/login # iftop -i eth0

                    1.91Mb              3.81Mb              5.72Mb              7.63Mb        9.54Mb

└───────────────────┴───────────────────┴───────────────────┴───────────────────┴───────────────────

a204-2-160-17.deploy.akamaitechnolo  => ri-goodman.************x.com         2.44Mb  3.21Mb  3.18Mb

                                      172.25.129.47                         107Kb   224Kb   238Kb

                                      172.25.129.109                       81.7Kb   123Kb  58.1Kb

                                      ri-jwood-d630                        39.5Kb   131Kb   108Kb

                                      172.25.129.48                           0b    100Kb  35.9Kb

                                      ri-madoop.************x.com           448Kb  89.6Kb  32.0Kb

                                      ri-zlee.************x.com            1.63Kb  84.5Kb  90.4Kb

                                      172.25.129.92                           0b   76.0Kb  75.6Kb

                                      ri-madoop.************x.com           384Kb  76.7Kb  27.4Kb

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