[Ns-bugs] [Bug 494] New: wifi and multicast routing reportedly wrong

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=494

           Summary: wifi and multicast routing reportedly wrong
           Product: ns-3
           Version: ns-3-dev
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: routing
        AssignedTo: ns-bugs at isi.edu
        ReportedBy: tomh at tomh.org
   Estimated Hours: 0.0


>From ns-3-users on 1/21/09:

Hi,

Attached you can find my testacase for Wifi and Multicast routing. It is 
a simplified version of examples/third.cc, basically a multicast 
datagram is supposed to flow from a p2p node to the other (which is also 
the AP), and then from it to a wireless station which joined the group.

 From the generated traces, what happens is:
* the multicast datagram is correctly generated;
* and correctly routed through the p2p channel, i.e. it arrives to node 0.

What does NOT happen is:
* I could not convince node 0 to forward the packet on the wireless 
interface (ap-0-1.pcap only has 802.11 stuff, no UDP traffic);
* I could not verify whether the station is able to correctly handle (I 
mean, using Socket) the reception of a multicast UDP frame.

Maybe I am missing something very basic...

Francesco

P.S.: I tested this with today's ns-3-dev version. It seems that the 
patch posted by Mathieu Lacage is already applied.


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