Wireshark not capturing data I want

I have built a new wireshark box. I wanted more processing power so I built it on an HP dl380 G6 with dual xeon and ..........
Any way, the laptop i was using is weak but worked, to test my new wireshark box, i set it to capture what i was using the laptop to capture. I am not seeing the traffic, i unplug the new box, and plug the laptop back into the same port and I see the traffic. I have looked through all the settings I can find and they are the same, yet one box will see the traffic i want and the other will not. The new box is capturing traffic, but when i filter it to what I want, it says there is none.

Ideas?
whroadminAsked:
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David GagnéLead Enterprise ArchitectCommented:
I had a similar issue and it was related to the NIC on my laptop. I banged my head up against a wall for a couple of hours, I was not able to see but very limited traffic from a layer 2 switch and after changing the laptop, I was able to see all my traffic.
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whroadminAuthor Commented:
Not what I wanted to hear, this is an HP server, with broadcom netextreme nics, and the latest drivers are loaded.
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David GagnéLead Enterprise ArchitectCommented:
I actually had to go back to an older laptop.  I forget the model but it was fairly new at the time (Dell) running windows 7 and it would not gather data properly through wireshark.  I went back to an old laptop also a Dell and it worked fine.  Hopefully you do not have the same issue.
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David GagnéLead Enterprise ArchitectCommented:
This might help:

Try to disable "TCP Connection Offload" in the driver of the NetXtreme NIC

Perhaps read here as well:
http://ask.wireshark.org/questions/13131/wireshark-does-not-capture-packets-w-payloads
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whroadminAuthor Commented:
Problem solved, turns out Symantec Network threat protection was blocking a lot of traffic. Turned that feature off and all is right in the world
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whroadminAuthor Commented:
Found issue on my own, thanks for the tips
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