[streaming] Re: ['Yong Chu Eu (Ñî×ÓÓÓ )' <ceyong at yahoo.com>] Multicast Video Stream Problem

[bigben at diwi.org]

>
>  The deleted attachment is at:
>     <http://www.videolan.org/~admin/20050629-videolan/research_design.pdf>
>
> ----- Forwarded message from "Yong Chu Eu (Ñî×ÓÓÓ)" <ceyong at yahoo.com>
> -----
>
> From: "Yong Chu Eu (Ñî×ÓÓÓ)" <ceyong at yahoo.com>
> Date: Wed, 29 Jun 2005 08:10:41 -0700 (PDT)
> To: vlc at videolan.org, streaming at videolan.org
> Subject: Multicast Video Stream Problem
> X-Spam-Status: No, score=1.4 required=5.0 tests=DNS_FROM_RFC_ABUSE,
> 	RCVD_IN_ORBS autolearn=no version=3.0.3
>
> The detail of my test-bed design as attachment,
>
>
> First,i try to change my foreign router OS to freeBSD 4.10, then i
> start vls from my freeBSD,its seem the multicast traffic stream to one
> of the AP(i did set static route to point to all 4 interface in
> router),when i start my vlc on my notebook which associate with this
> AP,i got nothing,its seem traffic flow from router to AP stop at eth0
> of AP, its did not stream down to wlan0-where my notebook associate
> with,maybe there is a gap between eth0 and wlan0?
>
>
> Second,i try to change my Foreign Router OS to Redhat Linux 9.0, same
> i start my vls from this router,same condition happen that is vls
> video stream flow to only 1 interface which point to one of the AP (i
> also set static multicast route point to 4 interface of the
> router),still, i got nothing even i point my notebook to that AP but i
> saw packet at eth0 interface but cannot pass down to wlan0
>
>
> third, tis time i use Redhat Linux 9.0 with ecmh in my Foreign Router,
> same i start my vls from this router,same condition happen that is vls
> video stream flow to only 1 interface which point to one of the AP (i
> also set static multicast route point to 4 interface of the
> router),still, i got nothing even i point my notebook to that AP but i
> saw packet at eth0 interface but cannot pass down to wlan0. but in tis
> condition ,i saw some multicast listener query report sent out at
> different interface but not respond from other
>
> Do u know what happen?
>
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If I understand your setup properly, you want to stream multuicast on
several subnets. You need to install a multicast routing protocol on the
router to achieve that (such as PIM or DVMRP). Please also make sure you
specified a TTL > 1. Please also note that much Access Points behave very
badly with multicast.

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