Re: Routing multicast streams

[Karsten Siebert <Karsten.Siebert@dataplanet.de>]

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Here is my mrouted.conf. Don't bother about the warning message at startup.
Don't delete 125.0.0.0/1.

Karsten

----- Original Message -----
From: "Michael Wilson" <bananaski@redhotant.com>
To: "Karsten Siebert" <Karsten.Siebert@dataplanet.de>; "Michael Wilson"
<bananaski@bigfoot.com>; <plesnik@inetbrno.cz>; "LinuxDVB"
<linux-dvb@linuxtv.org>
Sent: Saturday, October 21, 2000 1:11 PM
Subject: Re: Routing multicast streams


> Hi there
>
> Would it be possible for you to forward your mrouted.conf ?
>
> Thanks
>
> ----- Original Message -----
> From: Karsten Siebert <Karsten.Siebert@dataplanet.de>
> To: Michael Wilson <bananaski@bigfoot.com>; <plesnik@inetbrno.cz>;
LinuxDVB
> <linux-dvb@linuxtv.org>
> Sent: Saturday, October 21, 2000 12:09 PM
> Subject: Re: Routing multicast streams
>
>
> > You can do several things to route IP multicast to the LAN:
> >
> > I added a little switch in /etc/mrouted.conf, which enables automatic
PID
> > setting/removing. If a Windows machine wants to receive IP multicast it
> > initiates an IGMP message. Mrouted reads this and sents an UDP message
to
> > dvbd, which then enables the PID. In case of FAZZT this is PID 1041 (I
> have
> > set the last two addresses of the IP multicast address to the PID for
> > simplicity 0x417=1041).
> >
> > You can set the PID manually using /etc/dvbd.conf in the filter section.
> > Don't forget to set the routing entry: route add 224.0.0.0 netmask
> 240.0.0.0
> > on all your interfaces.
> >
> > The problem with mrouted unfortunately is stability. It stops after a
> couple
> > of milion packets. You always can monitor multicasting in
/proc/net/mr_...
> >
> > As the PIDs are set anyway differently for downloads and streams, one
> could
> > avoid using mrouted and just switch from the dvb module to the
appropriate
> > LAN module by changing the device structure of the allocated skbuff
> > structure if an IP multicast packets arrives via satellite. I do this by
> > setting fast forward in the kernel, changing the device structure if a
> > packet arrives before the net_if is issued. Now if the appropriate PID
is
> > set, all packtes are transmitted directly to the output queue of the LAN
> > device (but always, even if there is no listener).
> >
> >
> > Karsten
> >
> >
> > ----- Original Message -----
> > From: "Michael Wilson" <bananaski@redhotant.com>
> > To: <plesnik@inetbrno.cz>; "LinuxDVB" <linux-dvb@linuxtv.org>
> > Sent: Saturday, October 21, 2000 12:41 PM
> > Subject: Re: Routing multicast streams
> >
> >
> > > I have the same problem with my setup but I wish to route the FAZZT
> system
> > > which is on 224.224.4.17, all mrouted sees is 224.0.0.1, 224.0.0.2 and
> > > 224.0.0.4
> > >
> > > ----- Original Message -----
> > > From: Petr Plesnik <plesnik@inetbrno.cz>
> > > To: LinuxDVB <linux-dvb@linuxtv.org>
> > > Sent: Saturday, October 21, 2000 8:43 AM
> > > Subject: Routing multicast streams
> > >
> > >
> > > > Hello,
> > > >
> > > > a have problem with routing multicast streams. I have this
> > configuration:
> > > > Linux server with DVB card, dvb working ok. This server is connected
> > thru
> > > > eth0 to router (linux).
> > > > Router has 4 ethernet cards. One is connected to server with DVB,
> second
> > > is
> > > > connected to public internet,
> > > > and another two is two intranet LAN segments 10.2.2.x and 10.2.1.x.
In
> > > > windows box on private lan for example my machine 10.2.2.10 I can
use
> > > > sattelite connection thru squid on server. This working OK. But if I
> run
> > > > mrouted with standart config file on server machine and try to
connect
> > to
> > > > europeonline for watching streaming TV, it does not work. Can
anybody
> > help
> > > > me with setting mrouted, or need I setup router machine to?
> > > >
> > > >
> > > > Thanks for any help Peter
> > > >
> > > >
> > >
> >
> >
>

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