<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div>Greets,<br></div><div><br></div><div>You absolutely MUST have a route to send the multicast packets OUT of the device. Without the route, the packets go nowhere.</div><div><br></div><div>Now, you might have problems if your switchgear doesn't know what to do with multicast packets, which seems to be the case with my WAP, but if you don't have a 239.0.0.0/8 route, the packets die on the box.</div><div><br></div><div>Here's my configuration --</div><div><br></div><div>greenpc-vga:/opt/greenMonitor# netstat -rn<br>Kernel IP routing table<br>Destination Gateway Genmask Flags MSS Window irtt Iface<br>239.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0 ath0<br>192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 ath0<br>0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 ath0<br> <br></div><div>--<br>Julie Haugh<br>Senior Design Engineer<br>greenHouse Computers, LLC // jfh at <a href="http://greenhousepc.com">greenhousepc.com</a> // greenHousePC on Skype</div><div><br><br></div>
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-------- Original Message --------<br>
Subject: Re: [Voyage-linux] Enabling Multicast in Voyage<br>
From: Jeff Ramin <<a href="mailto:jeff.ramin@singlewire.com">jeff.ramin@singlewire.com</a>><br>
Date: Thu, October 06, 2011 10:26 am<br>
To: Laili Aidi <<a href="mailto:aidi@kth.se">aidi@kth.se</a>><br>
Cc: "<<a href="mailto:voyage-linux@voyage.hk">voyage-linux@voyage.hk</a>>" <<a href="mailto:voyage-linux@voyage.hk">voyage-linux@voyage.hk</a>><br>
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<br> Like I said, it's up to the app. The app sends a packet destined for 239.x.x.x,<br> and it's up to the routers/switches to deliver it to the interested parties.<br> <br> <br> <br> On 10/06/2011 10:19 AM, Laili Aidi wrote: <blockquote cite="mid:C5684049-C636-4666-8CA0-8799F9B57E80@kth.se" type="cite"> Dear Jeff, <div><br> </div> <div>Thank you. I'm wondering what is the necessary steps? <div><br> </div> <div>Aidi</div> <div><br> <div> <div>On 6 okt 2011, at 17.01, Jeff Ramin wrote:</div> <br class="Apple-interchange-newline"> <div bgcolor="#ffffff" text="#000000"><br> FWIW - we're running an app that utilizes multicast on voyage, and none of<br> those steps have been necessary for us.<br> <br> <br> On 10/06/2011 09:53 AM, Artie Gold wrote: <blockquote cite="mid:CANi_vuwYH6Xe1ARnWcGXxnA4iFe=-ryq1hhuXNSiKPej5bLYrg@mail.gmail.com" type="cite"> See, for example: <a target="_blank" moz-do-not-send="true" href="http://www.dancres.org/bjspj/docs/docs/linux.html">http://www.dancres.org/bjspj/docs/docs/linux.html</a> <div><br> </div> <div>All you probably need to do is to add the route for multicasting...</div> <div><br> </div> <div>HTH,</div> <div>--ag</div> <div><br> <br> <div class="gmail_quote">On Thu, Oct 6, 2011 at 9:28 AM, Laili Aidi <span dir="ltr"> <<a target="_blank" moz-do-not-send="true" href="mailto:aidi@kth.se">aidi@kth.se</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> Hello,<br> <br> Maybe this is very trivia question.<br> Currently I'm dealing with application which need multicast support to be enabled in the OS. How can I make it to the Voyage?<br> <br> Aidi<br> _______________________________________________<br> Voyage-linux mailing list<br> <a target="_blank" moz-do-not-send="true" href="mailto:Voyage-linux@list.voyage.hk">Voyage-linux@list.voyage.hk</a><br> <a moz-do-not-send="true" href="http://list.voyage.hk/mailman/listinfo/voyage-linux" target="_blank">http://list.voyage.hk/mailman/listinfo/voyage-linux</a><br> </blockquote> </div> <br> <br clear="all"> <div><br> </div> -- <br> <font color="#330099"><font face="'comic sans ms', sans-serif">Artie Gold <br> Principal Software Engineer</font></font> <div><font color="#330099"><font face="'comic sans ms', sans-serif">Under Assistant West Coast Promo Man<br> </font></font> <div><font color="#330099"><font face="'comic sans ms', sans-serif"><br> F4W, Inc.</font></font><br> <br> ===================================================<br> Elegance is not a dispensable luxury but a factor that decides between success and failure. <br> --Edsger Dijkstra <br> </div> </div> <br> </div> <pre wrap=""><fieldset class="mimeAttachmentHeader"></fieldset>
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Jeff Ramin
Software Engineer
Singlewire Software
2601 W Beltline Hwy #510
Madison, WI 53713
Phone Direct - 608.661.1172
<a target="_blank" moz-do-not-send="true" class="moz-txt-link-abbreviated" href="http://www.singlewire.com/">www.singlewire.com</a>
</pre> </div> _______________________________________________<br> Voyage-linux mailing list<br> <a target="_blank" moz-do-not-send="true" href="mailto:Voyage-linux@list.voyage.hk">Voyage-linux@list.voyage.hk</a><br> <a target="_blank" class="moz-txt-link-freetext" href="http://list.voyage.hk/mailman/listinfo/voyage-linux">http://list.voyage.hk/mailman/listinfo/voyage-linux</a><br> </div> <br> </div> </div> </blockquote> <br> <br> <pre class="moz-signature" cols="72">--
Jeff Ramin
Software Engineer
Singlewire Software
2601 W Beltline Hwy #510
Madison, WI 53713
Phone Direct - 608.661.1172
<a target="_blank" class="moz-txt-link-abbreviated" href="http://www.singlewire.com">www.singlewire.com</a>
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