Wireshark-dev: Re: [Wireshark-dev] Vlan.1Q tag captured with PC 1 , but can not be captured by
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From: "Kukosa, Tomas" <tomas.kukosa@xxxxxxxxxxx>
Date: Fri, 19 Sep 2008 16:40:47 +0200
Hi,
 
the problem is porobably than ethernet chip or network driver handles and removes this VLAN tag before it is capured by WinPcap.
It happens e.g. with most of new notebooks with Intel chipset.
It could be usually disabled in LAN driver setting but I do not remember exact name of the parameter. 
Try to find anything in your LAN driver settings what looks like VLAN or 802.1Q HW support enabling/disabling.
 
see http://wiki.wireshark.org/CaptureSetup/VLAN for more details
 
Tomas

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Od: wireshark-dev-bounces@xxxxxxxxxxxxx za uživatele sky
Odesláno: čt 18.9.2008 16:47
Komu: wireshark-dev@xxxxxxxxxxxxx
Předmět: [Wireshark-dev] Vlan.1Q tag captured with PC 1 ,but can not be captured by PC 2


  

Dear Sir or Madam:

     OS:        Windows XP;

     WireShark: 1.0.0

     

     In the same environment(the Same Switch,  the Same Configurations of Switch, and the same switch port being used.), the Vlan.1Q tag can be captured by using the PC 1.

 

     However, the Vlan.1Q tag can not be captured by using the PC 2(a notebook).

     

     I really want to know what's the trouble? And How can I capture the Vlan.1Q tag in PC2. What steps I should take?

     Thank you very much!

 
 
 


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