Help Multicast routing under Linux

Help Multicast routing under Linux

Post by Fabio Garuf » Wed, 01 May 2002 03:10:20



Once again, I send this help request, apparently no multicast router
configuration allows the two router to properly exchange the group table
between the two interfaces.

Quote:

>  Hi,
>      I must develop a box that works as multicast router in the following
>  strange configuration :
>                                ____________________
>  ---------------       |                                        |
>  |Host: a.b.c.d |-----|  a.b.c.x    router: e.f.g.h    |
>  ---------------       |                                        |
>                                ---------------------------
>                                                    |
>                                                    |
>                                ____________________
>  ---------------       |                                        |
>  |Host: a.b.c.z |-----|  a.b.c.y    router: e.f.g.i     |
>  ---------------       |                                        |
>                                ---------------------------

>  I could see in unicast host "z" from "x" and vice-versa using gated
3.5-11
>  and I am trying to do the same in multicast using mrouted 3.9-beta3.
>  What I could see is that if I join a group from host "z", the router "i"
>  adds it on its table on the "y" interface but does not route the
membership
>  signal on the e.f.g net. Thus the router "h" doesn't know host "z" to be
>  part of the group.
>  My simple mrouted.conf is:

>  phyint eth0 rate_limit 0 igmpv1  #net a.b.c
>  phyint fddi0 rate_limit 0 igmpv1 #net e.f.g

>  The ideal would be if I could say that on the interface eth0 I have only
> one
>  host (static) and all the rest is visible from fddi0.

>  Does anybody have a suitable mrouted configuration or an equivalent
>  solution?

>  Thanks in advance,
>          Fabio

> --
> ------------------------------------------------------------------------
> ** Dr. Fabio Garufi
> ** Software Manager
> **
> ** ELE.SI.A. S.r.l.
> ** ISO 9001 CERTIFIED
> ** Tel. 39.06.8813320 / Fax 39.06.8813352
> ** http://www.elesia.it
> ------------------------------------------------------------------------

 
 
 

1. Help Multicast routing under Linux

 Hi,
     I must develop a box that works as multicast router in the following
 strange configuration :
                               ____________________
 ---------------       |                                        |
 |Host: a.b.c.d |-----|  a.b.c.x    router: e.f.g.h    |
 ---------------       |                                        |
                               ---------------------------
                                                   |
                                                   |
                               ____________________
 ---------------       |                                        |
 |Host: a.b.c.z |-----|  a.b.c.y    router: e.f.g.i     |
 ---------------       |                                        |
                               ---------------------------

 I could see in unicast host "z" from "x" and vice-versa using gated 3.5-11
 and I am trying to do the same in multicast using mrouted 3.9-beta3.
 What I could see is that if I join a group from host "z", the router "i"
 adds it on its table on the "y" interface but does not route the membership
 signal on the e.f.g net. Thus the router "h" doesn't know host "z" to be
 part of the group.
 My simple mrouted.conf is:

 phyint eth0 rate_limit 0 igmpv1  #net a.b.c
 phyint fddi0 rate_limit 0 igmpv1 #net e.f.g

 The ideal would be if I could say that on the interface eth0 I have only
one
 host (static) and all the rest is visible from fddi0.

 Does anybody have a suitable mrouted configuration or an equivalent
 solution?

 Thanks in advance,
         Fabio

--
------------------------------------------------------------------------
** Dr. Fabio Garufi
** Software Manager
**
** ELE.SI.A. S.r.l.
** ISO 9001 CERTIFIED
** Tel. 39.06.8813320 / Fax 39.06.8813352
** http://www.elesia.it
------------------------------------------------------------------------

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