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HOW TO capture linksys wrt320n to arris tm722 home network HTTP and other traffic

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Hi WireShark community,

I am new to wireshark and network monitoring in general, but not new to software and computer technology. I'm a software engineer with over 20 years experience, but have never dropped down this low in the weeds before.

My goal is to use WireShark to capture all outbound web traffic going between my linksys/cisco wrt320n router and the comcast arris tm722 cable modem.

I want to be able to capture sending IP + destination IP/host + complete URL, along with a timestamp - then, ideally, log it to file.

is this possible? or, not without additional software/hardware

Thanks in advance, Bob

asked 21 Aug '12, 17:54

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bderemer
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One Answer:

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If the topology between router and cable modem is ethernet it should be simple, but you might need to add a piece of hardware in between them - for example a hub (a real one, meaning a half duplex device, not a "switching hub") or a mini switch with port mirroring capabilities.

See also http://wiki.wireshark.org/CaptureSetup

answered 22 Aug '12, 00:07

Jasper's gravatar image

Jasper ♦♦
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accept rate: 18%