Re: IPV6 multicast UDP problem

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From: Arkady Frenkel (arkadyf_at_hotmailxdotx.com)
Date: 08/15/04


Date: Sun, 15 Aug 2004 10:35:53 +0300

You can find the code for that in
KB MSDN Q131978 "How To Receive/Send Multicasts Under WinNT/Win95 Using
WinSock"
on web http://support.microsoft.com/default.aspx?scid=kb;en-us;131978
( aware of wrap )
Arkady

"Phil Frisbie, Jr." <phil@hawksoft.com> wrote in message
news:ewIO7tYgEHA.396@TK2MSFTNGP12.phx.gbl...
> Aaron Burns wrote:
>
> > Hi all,
> >
> > I'm porting a V4 broadcast application to V6 with multicasting and
> > have hit a snag. I'm running my application under XP and the app is
> > compiled using VC6 and the Microsoft Platform SDK - Feb 2003.
> >
> > My goal is to have a mulitcast message sent to address FF02::1 and
> > then gather the responses (if any).
> > When I run my app, using Etherreal, I can see my multicast message
> > sent out, and I can see a response sent back but my app never gets the
> > response.
> >
> > Below is a snippet of my app code:
> <snip>
> > The recvfrom() function never unblocks - but I know the response
> > packet is sent.
> >
> > I've tried setting the socket option IPV6_MULTICAST_IF but had no
> > luck.
> >
> > Does anybody have any suggestions? Is there some socket option I'm
> > missing?
>
> Where is the code where you join the multicast group?
>
> > Aaron Burns
>
> --
> Phil Frisbie, Jr.
> Hawk Software
> http://www.hawksoft.com
>



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