[New-bugs-announce] [issue12373] Duplicate packets in Multicast Receiver

Aleksey Zhurbitsky report at bugs.python.org
Mon Jun 20 11:58:06 CEST 2011

New submission from Aleksey Zhurbitsky <zhurbitsky at gmail.com>:

I use http://svn.python.org/projects/python/trunk/Demo/sockets/mcast.py to receive multicast stream. When i run one instance of this script to receive certain multicats stream all is fine, but when i run two instance of this script simultaneously to join different multicats stream whith same port - starts mess. Each script gets his packets and packets from other multicast group.
Examples of multicast groups:

I also try to use other code to recive multicast but got the same result - http://stackoverflow.com/questions/6387535/duplicate-packets-in-python-multicast-receiver

components: Demos and Tools, Library (Lib)
messages: 138696
nosy: Aleksey Zhurbitsky
priority: normal
severity: normal
status: open
title: Duplicate packets in Multicast Receiver
type: behavior
versions: Python 2.6, Python 3.1

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