Wireshark-bugs: [Wireshark-bugs] [Bug 8321] New: Incorrect RTP statistics (Lost Packets indicati

Date: Tue, 12 Feb 2013 11:19:15 +0000
Bug ID 8321
Summary Incorrect RTP statistics (Lost Packets indication not ok)
Classification Unclassified
Product Wireshark
Version 1.8.5
Hardware x86
OS Windows XP
Status UNCONFIRMED
Severity Major
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected]

Build Information:

--
When sending an MpegTS over RTP to wireshark, packets are default decodes as
UDP.
When doing a "Decode As RTP", actwards (via Telephony - RTP -) RTP statistics
are persented, with 6,2% packets loss.

When DISabling protocol "Mpeg PES" ,  0% Packet loss is presented.

The "lost packets" are related to "Malformed Packets" when "Mpeg PES" encoding
is enabled. 

Althouh i doubt if the mpeg pes is really "malformed" (will investigate this
later), my opinonin is that RTP statistics, must NOT be depended on lower level
decoding !

All Packets on RTP level are available, whith correct seq.numbers, so
packetloss of 6% when enabling lower level protocol, seems very silly, and
incorrect.


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