Wireshark-bugs: [Wireshark-bugs] [Bug 8425] the capture filter ”udp port 5246“ does not work co
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 08 Mar 2013 14:11:02 +0000

changed bug 8425

What Removed Added
Status INCOMPLETE RESOLVED
Resolution --- NOTABUG

Comment # 8 on bug 8425 from 
(In reply to comment #3)
> I.e., if you use the capture filter "udp port 5246", it captures traffic to
> port 5246, but does not capture traffic from port 5246?
> 
> ----- yes
> 
> If you don't use the capture filter, do the packets from port 5246 have VLAN
> headers?
> ----- It dose not have vlan tags.

In the sample capture you attached, they do have vlan tags.

The following website has a good explanation of what is needed:
http://www.christian-rossow.de/articles/tcpdump_filter_mixed_tagged_and_untagged_VLAN_traffic.php

Basically the 'capture filter' isn't as smart as Wireshark's, so you have to
specify "(udp port 5246) or (vlan and (udp port 5246))" to get the traffic you
want.

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