From: Paul Zirnik <tami@disconnected.de>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Linux as a multicast router
Date: Mon, 15 Jan 2007 18:59:01 +0000 [thread overview]
Message-ID: <200701151959.02062.tami@disconnected.de> (raw)
In-Reply-To: <cc85d3e30701141141t39d79228jf44a1ff5dc38e4ea@mail.gmail.com>
On Sunday 14 January 2007 20:41, Emin Gencpinar wrote:
> Hi all,
>
> We want linux (ubuntu) with 2.6 kernel to act as multicast router and to
> pass multicast packets between different subnets. And linux machine as
> router has two network cards having two different subnets assigned onto. We
> first worked
> "sysctl -w net.ipv4.ip_forward=1"
> line on linux shell that made linux to work as unicast router. (like host,
> the multicast packets were discarded at NIC). Then at weekend we heard
> about
>
> "sysctl -w net.ipv4.conf.all.mc_forward=1"
> line that is said to satisfy multicast routing requirement, but we did not
> try this yet. Is this last line enough to work linux as multicast router ?
No, you need some kind of routing daemon for multicast forwarding/routing.
Look for "mrouted" or "zebra".
There is a HowTo for multicast, but no big infos on multicast
forwarding/routing ....
http://www.linuxjunkies.org/html/Multicast-HOWTO.html
> There is also one alternative we found: XORP ( Open Source IP Router )
> http://www.xorp.org/livecd.html#getting
> But this works from live cd. We want to also use linux shell at the same
> time. And also we did not try this tool yet.
Sorry, no clue about this. But if it is a Linux based live cd i'm sure you,
can also install it on disk :)
> It is enough to use the linux as router, we do not consider the router
> algorithms or any other thing.
regards,
Tami
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prev parent reply other threads:[~2007-01-15 18:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-14 19:41 [LARTC] Linux as a multicast router Emin Gencpinar
2007-01-15 18:59 ` Paul Zirnik [this message]
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