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xpd



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Topic # 70075 18-Oct-2010 15:08
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I have PRTG Traffic Grapher running on a system to help monitor bandwidth/data usage on a DSL line.

According to the ISP, 3GB of data went over that line on the weekend, and sure enough PRTG shows this on the ATM port of the router, but dosent show anything near that amount on the LAN port of the router. (monitored via SNMP)

So where has that data gone ? I thought anything being downloaded/uploaded via a workstation on the network would be recorded on the LAN port as well as the ATM but not showing anywhere. Running Webmarshal as well and thats not showing any usage but its easy to bypass really.




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  Reply # 393223 18-Oct-2010 16:12
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What modem

Cyril

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  Reply # 393235 18-Oct-2010 16:32
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I knew someone would ask me that and I havent got it in front of me.... (types like crazy...2mins later...)

Linksys AM300
Software Version: 1.19.04
ADSL Version: 7.2.3.0
Boot Code Version: 0.01





XPD / Gavin / DemiseNZ

 

Server : i3-3240 @ 3.40GHz  16GB RAM  Win 10 Pro    Workstation : i5-3570K @ 3.40GHz  16GB RAM  Win 10 Pro    Console : Xbox One

 

https://www.xpd.co.nz - Games, geeks, and more.    


 
 
 
 


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  Reply # 393270 18-Oct-2010 17:53
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Ok, dont know of any issues there, but some older Telecom provided Dlinks used to crank through ATM traffic to nowhere that clocked up massive usage with no evidence on the LAN side, could be a similar issue, but not heard of it with the Linksys modems.

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  Reply # 393414 19-Oct-2010 02:13
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Were you using bit torrent, when you close utorrent peers can often keep trying to connect to your ip address for hours afterwards. Router would probably drop the traffic if you're closed utorrent and there were no outward connections.

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  Reply # 393447 19-Oct-2010 08:17
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Ragnor: Were you using bit torrent, when you close utorrent peers can often keep trying to connect to your ip address for hours afterwards. Router would probably drop the traffic if you're closed utorrent and there were no outward connections.


No torrent usage to my knowledge as the network is fairly heavily firewalled, pretty much only thing allowed through is traffic to/from the server where Webmarshal resides.

This traffic appeared over a 6 hour period.




XPD / Gavin / DemiseNZ

 

Server : i3-3240 @ 3.40GHz  16GB RAM  Win 10 Pro    Workstation : i5-3570K @ 3.40GHz  16GB RAM  Win 10 Pro    Console : Xbox One

 

https://www.xpd.co.nz - Games, geeks, and more.    


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  Reply # 393908 20-Oct-2010 10:50
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Well you won't see the ATM overhead on your LAN, but your router will also drop anything that can't get through its firewall/NAT. I'm guessing there was an attack on internet that was blocked by your modem or that caused your modem to only respond over the internet connection, eg as the router would respond to a ping.




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