Probably a simple question but...

[Atom Powers]

I haven't worked with multicast much, but from my understanding you
may have to join the router to the multicast domain.

On 6/15/06, Mayo, Richard A RDECOM CERDEC STCD SRI
<Richard.Mayo at us.army.mil> wrote:
> I believe this is a simple fix, but I sure can't find it.
>
> I set up 2 FreeBSD boxes as dual-stack network routers and I'm using them to test an application capable of generating both TCP and UDP messaging.  The TCP part of this equation is working great -- my message fly around the network just like they should.
>
> However, my routers appear to be eating my multicast UDP packets.  The packets are addressed to 225.0.0.41 and static routes for that prefix are defined in both rc.conf files (I only use 1 multicast address, so I don't see a reason to use a multicast routing daemon).  Obviously, I don't believe the static route is defined correctly.
>
> Can somebody clue me in to the proper method for configuring a FreeBSD computer, functioning as a network router, to accept all packets addressed to 225.0.0.41 on either Ethernet interface and forward them out the other??  (they're RL0 and RL1, lower case.)
>
> Do I need to define 2 static routes?
> Do I need to switch something else on?
>
>
>
> Thanks for any help,
> Rich Mayo
>
>
>
> P.S.  It may be significant that when I installed the OS on the computer, there was only 1 NIC present.  I added the other one after I got the software running, so it occurs to me that there may be a switch relating to forwarding that's not "ON", but I have no idea where to look for that.
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Perfection is just a word I use occasionally with mustard.
--Atom Powers--