Wireshark-users: Re: [Wireshark-users] Unexpected/Strange behavior of my wireless network adapter
From: "Youssef Serhal" <joeserhal@xxxxxxxxxxx>
Date: Wed, 26 Aug 2009 02:26:47 -0500

On Sun, 23 Aug 2009 04:38:26 -0500, "Youssef Serhal"
<joeserhal@xxxxxxxxxxx> said:
> Hey guyz,
> I'm working oa project where I'm streaming video, using RTP packets,
> from mobile devices to a server through an ad-hoc network and I have
> noticed something really strange: using a external USB adapter, the
> Wireshark analysis of the stream captured does not report any RTP packet
> drop. However, when I switch to my laptop's internal network adapter, I
> notice that there is a significant number ofpackets "dropped" (at least
> not appearing in the Capture report). 
> I know that they are being sent from the client devices (according to
> logs) but they are not reaching their destination for some reason.
> I was wondering whether any of you guyz might know why is this
> happening...I thought that maybe the kernel's UDP buffer size is too
> small, but then how would you explain that there's no drop when using
> the external (USB) wireless adapter...
> Can it be that the USB network card might have a larger buffer than the
> internal one and hence can accomodate more incoming packets. The
> scenarios in both cases (USB adapter and internalone) are exactly the
> same.
> Any information would be greatly appreciated!!
> Thanks!!
> -- 
>   Youssef Serhal
>   joeserhal@xxxxxxxxxxx
  Youssef Serhal