WireShark - Packet capture on a single IP

I have a laptop with wireshark 1.10.1 running in my server room, attached to the switch where the system I want to packet sniff. How do I setup WireShark just to sniff what is coming out of 1 single IP address? Please advise.

Regards,

GoRaps
GorapsI.T. ManagerAsked:
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dipopoCommented:
Your question sounds odd "WireShark just to sniff what is coming out of 1 single IP address? Please advise"

I'm guessing you meant 1 interface/port, which wireshark can do and filter for your specific IP. Be sure to install winPcap.

Also have you set-up a span port to mirror everything to the port you are connected to?

http://www.cisco.com/en/US/docs/switches/lan/catalyst2940/software/release/12.1_19_ea1/configuration/guide/swspan.html
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GorapsI.T. ManagerAuthor Commented:
Sorry yes... I want to capture what is coming out of 1 interface. By default is it capturing all DATA?
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dipopoCommented:
Yes, all data will be captured as winPcap will put the interface into promiscuous mode and accept all. You can then filter for specific IP,protocols or other.
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GorapsI.T. ManagerAuthor Commented:
Is that data easily readable or do I need something else make this happen?
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dipopoCommented:
Its easily readily human readable.
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
You should have a capture filter example in WireShark for filtering for a specific IP address, so it should be very easy for you to set it up (the example is called "IP address", the capture filter expression is "host 192.168.141.22" - replace the IP address with the one you want to monitor).
In WireShark you need to differ between display filters  - those can be set on the fly while capturing, and have a different syntax, but do not restrict the data captured, only what you see at the moment -  and capture filters, which will exclude anything from being captured which does not fit into the filter, reducing the amount of data.
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Darr247Commented:
If you're having a problem setting up the capture filter, try it in the settings for the interface itself, rather than Capture Options.
e.g.Wireshark - Capture Options (click for larger)Wireshark - Interface Settings
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