MRTG vs. character of traffic

2010-01-27 Thread Glenn McCalley 

OK so the data center says my traffic is unreasonable.
Turns out they may be correct.
MRTG is showing one server with a totally unreasonable level of outbound
traffic so now I know which machine to study.  Are there recommendations for
a tool to tell me what KIND of traffic, not just the gross bit rate?  I want
to find that idiot that's causing all the bandwidth.


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Re: MRTG vs. character of traffic

2010-01-27 Thread Dan Nelson 
In the last episode (Jan 27), Glenn McCalley said:
 OK so the data center says my traffic is unreasonable.  Turns out they may
 be correct.  MRTG is showing one server with a totally unreasonable level
 of outbound traffic so now I know which machine to study.  Are there
 recommendations for a tool to tell me what KIND of traffic, not just the
 gross bit rate?  I want to find that idiot that's causing all the
 bandwidth.

tcpdump or wireshark would be a good start, if you're around when it
happens.

-- 
Dan Nelson
dnel...@allantgroup.com
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Re: MRTG vs. character of traffic

2010-01-27 Thread Bill Moran 
In response to Glenn McCalley techl...@mail.bnetmd.net:

 OK so the data center says my traffic is unreasonable.
 Turns out they may be correct.
 MRTG is showing one server with a totally unreasonable level of outbound
 traffic so now I know which machine to study.  Are there recommendations for
 a tool to tell me what KIND of traffic, not just the gross bit rate?  I want
 to find that idiot that's causing all the bandwidth.

ntop

-- 
Bill Moran
http://www.potentialtech.com
http://people.collaborativefusion.com/~wmoran/
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