[Iftop-users] Monitoring all traffic

Scott Bertilson ssb at umn.edu
Fri, 21 Oct 2011 13:31:23 -0500


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Any difference in behavior if you use the "-p" (promiscuous) option?

Are you using the previous release (0.17) or 1.0pre2?

Scott

On Fri, Oct 21, 2011 at 1:04 PM, joedson marques <joedson.anid@gmail.com>wrote:

> Warren,
>
> Sorry for won't be clear;
>
> Lets me try explain better.
>
> As long I open the iftop (passing an interface as parameter)
> it's show all traffic passing through the respective
> interface; but shortly after, it starts decreasing
> the traffic that value, until remains only:
> current bandwidth usage by *pairs of hosts*,
> this means, only hosts *directy connected*
> with the current host (the freeBSD).
>
> As this host is a router, most of the  traffic that
> pass through it, isn't directy connected
> with it, it's *just forwards* this traffic.
>
> So, as I wanna monitoring *whole bandwidth*, passing
> through the interface, the iftop does not show
> it (all the time, just when I start it); just the traffic of
> pairs of hosts.
>
> Is possible monitoring all traffic passing through
> the interface, instead only the traffic of the
> pairs?
>
> Thanks!
>

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Any difference in behavior if you use the &quot;-p&quot; (promiscuous) opti=
on?<div><br></div><div>Are you using the previous release (0.17) or 1.0pre2=
?</div><div><br></div><div>Scott<br><br><div class=3D"gmail_quote">On Fri, =
Oct 21, 2011 at 1:04 PM, joedson marques <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:joedson.anid@gmail.com">joedson.anid@gmail.com</a>&gt;</span> wrote:<=
br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">Warren,<br><br>Sorry for won&#39;t be clear=
;<br><br>Lets me try explain better. <br><br>As long I open the iftop (pass=
ing an interface as parameter)<br>
it&#39;s show all traffic passing through the respective<br>interface; but =
shortly after, it starts decreasing<br>
the traffic that value, until remains only:<br>current bandwidth usage by <=
b>pairs of hosts</b>,<br>this means, only hosts <b>directy connected</b><br=
>with the current host (the freeBSD).<br><br>As this host is a router, most=
 of the=A0 traffic that<br>

pass through it, isn&#39;t directy connected<br>with it, it&#39;s <b>just f=
orwards</b> this traffic.<br><br>So, as I wanna monitoring <b>whole bandwid=
th</b>, passing<br>through the interface, the iftop does not show<br>it (al=
l the time, just when I start it); just the traffic of <br>

pairs of hosts.<br><br>Is possible monitoring all traffic passing through<b=
r>the interface, instead only the traffic of the<br>pairs?<br><br>Thanks!<b=
r>
</blockquote></div><br></div>

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