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How can I analyse the WAN traffic on our home network?
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Professional Poster
Join Date: Oct 2001
Location: London
Status:
Offline
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Hi,
My parents have a small network at home (wired and wireless) - which is connected to the internet via a DSL modem/router.
Recently our ISP has been throttling it because they state that we're using too much bandwidth. (i.e. 15GB per month.) - Their stats show the usage:
23 Aug - 22 Sep 19.47GB
23 Jul - 22 Aug 8.47GB
23 Jun - 22 Jul 5.96GB
This sudden jump seems a bit odd to me - we're very rural and the chance of someone piggy-backing our wireless network is slim - I can't work out where this traffic is coming from (in terms of which devices and what ports) and I'd like to work it out.
So - how does one go about doing this? The router is the DCHP server and all external traffic goes through there - but it can't report this kind of thing.
Anyone have any ideas?
Thanks
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
Offline
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Most SOHO routers don't/can't track per client aggregate transfer.
My guess is porn.
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Professional Poster
Join Date: Oct 2001
Location: London
Status:
Offline
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Hmm - can't I place a machine between the network and the router somehow - and get that to analyse the traffic?
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
Offline
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Huh it would help if I read your initial post closer.
Yea, you could stick a box between them and do a bit of routing. Then run Wireshark or similar to capture the traffic and see what's going by.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
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W/o massive downloads (p2p, torrents) or online videos (hulu etc...), I don't see how you would ever get anywhere close to those numbers.
-t
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Moderator Emeritus
Join Date: Apr 2001
Location: Wasilla, Alaska
Status:
Offline
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Or TV movie rentals/purchases.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
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Originally Posted by AKcrab 
Or TV movie rentals/purchases.
6-20GB every day ?
-t
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Posting Junkie
Join Date: Nov 2000
Location: in front of my Mac
Status:
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Per month, not day.
20GB/month is a lot, but far from impossible.
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•
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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Originally Posted by Simon
Per month, not day.
20GB/month is a lot, but far from impossible.
Oops, I thought the numbers posted were for single days.
Well, I'd have to say, 20GB / month is a bit, but not outrageously high.
A couple of HQ Hulu shows and / or iTunes videos will do that for you.
Plus, I back up all of my important stuff online. So I get quite a bit of traffic from that.
-t
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Professional Poster
Join Date: Oct 2001
Location: London
Status:
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Thanks guys - I'm looking into WireShark.
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Moderator  Join Date: Jan 2001
Location: Polwaristan
Status:
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Be prepared for very large log files. If you are indeed burning out your bandwidth, WS will capture that in addition to whatever log overhead it creates.
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
Offline
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Protip: Don't save your files to a network share. The result is not pretty.
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