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Article #20

Re: Public needs multicast tools for Linux

#20
From: Jeremy Hall
Date: Tue, 13 Oct 1998 00:00
54 lines
2973 bytes
Hi,

I have gotten all sorts of mbone crap to compile after a bit of fighting
with tcl and tk on their silly little requirements, and I do remember
getting vic, vat, rat, and nv? was it? to compile.

Some time ago, I sent out a note concerning how to compile mrouted with
glibc.  I specifically remember having to edit some header file and I
notified GNU of their deficiency.  It's not too terribly bad, it just
takes time.

I am not sure I understand your second question, but if it is a fixed
address, you'll want to fire up mrouted when your link comes up.  Then,
mrouted will likely nail your link up.  You may end up fighting a losing
battle with mrouted because of the flood-and-prune effect.  The solution I
found to be most effective was to use a 2500 at my end and run pim-sm over
the link. This provided the best answer after fighting for weeks over the
issue.

_J

Ross Golder said:
> Everywhere I look, I find all the usual mbone tools for Linux are
> compiled in 96/97 against dynamic libraries such as libc.so.4 !? I can't
> seem to recompile them from source, for various reasons. For example,
> 'mrouted' throws up errors related to missing header files and such.
> 
> So, my questions are :-
> 
> 1) Where can I get some recent Linux v2 binaries/compilable source for
> things like 'mrouted', 'sdr' and 'vic/vat'? Preferably glibc compatible.
> 
> 2) Assuming I can get mrouted to work, how can I join multicast groups
> from my fixed-address ISDN dial-up? Do I need to open/close a tunnel
> each time I bring the line up?
> 
> If the answer to 1) is 'you can't', is there anyone out there interested
> in discussing what would be required to get these tools up-to-date.  If
> it's discussed in simple enough terms, with enough references, I should
> be able to pick up enough to do something. I'd be willing to provide
> services (mail list/web site/CVS etc) for such a project, if anyone else
> is interested.
> 
> My motivation for this is so that other low-budget users like me,
> without a corporate budget and/or a Solaris machine handy can take
> advantage of MBone broadcasts. I run Linux via ISDN from my home office,
> and have been interested in getting some kind of Mbone feed for ages. My
> ISP (Nildram) is v cool IMO, but they don't have a feed. They used to,
> but if I recall they found that none of their customers used it so they
> dropped it.
> 
> --
> Ross, finally learning about multicast.
> 
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From: jhall@UU.NET (Jeremy Hall)
Subject: Re: Public needs multicast tools for Linux
Date: 1998/10/13
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