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Net Usage? Tracking Packets.


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#1
matt.

matt.

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Heya, i don't really have a advanced knownledge of this kind of stuff, but im pretty sure you can look at view all of the packet's being sent out threw your router etc to see what is downloading, umm and stuff like that.

My problem is pretty simple, some night i will have a cruisey net speed and other night's my net will be laggy as.
I want to look at what's chewing the speed.

I've got a wired connection with an old shiity Belkin 4 port Modum... Adsl2+

Can anyone point me in the right direction for some good software/instructions?
or anything that would improve my situation thnx/
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#2
Titan8990

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Unless your router supports the functions that you are looking for you will be more or less out of luck as far as monitoring the entire network. You can monitor packets from your local machine using a program such as wireshark: http://www.wireshark.org/.

You may be able to do it by poisoning the ARP but I will not be able to explain how to that here as it can be used for malicious purposes.
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#3
matt.

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aw okie.
fair enuf.
So i can look at the packets being sent from my machine?
or can i sent up a domain and expect all the packets?
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#4
Titan8990

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Wireshark is an excellent tool for analyzing packets from your local machine.

or can i sent up a domain and expect all the packets?


A domain is used for managing user and groups. All you need is a server that can function as a gateway.

It would look something like this:


Modem -> Server -> Router -> Clients

Then with a packet analyzer such as wireshark you can view all the traffic leaving your network. It would probably be more cost effective to get a hardware firewall that can do the logging functions that you need. Of course, if you have an old machine around you can put a second network card in and a server OS on it would still be a viable option.

Edit: Forgot link to Wireshark: http://www.wireshark.org/

Edited by Titan8990, 08 November 2008 - 06:32 PM.

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#5
matt.

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aw okie.
yeah domain :)
wot was i thinkin :)


Haha thanks for your help :help:

I did figure out what was wrong tho.
I had my modum setup incorrently.
I think someone tried to manually set the line type.. we have very olds cables in the roof so yeah. was trying to much things at once n died.
:wave:
thnx tho.

Edited by matt., 09 November 2008 - 02:51 AM.

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