Re: Probably a simple question but...

2006-06-16 Thread 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
[EMAIL PROTECTED] 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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Re: Probably a simple question but...

2006-06-16 Thread Danial Thom
Are you running mrouted? 

--- Atom Powers [EMAIL PROTECTED] wrote:

 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
 [EMAIL PROTECTED] 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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 [EMAIL PROTECTED]
 
 
 
 -- 
 --
 Perfection is just a word I use occasionally
 with mustard.
 --Atom Powers--
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RE: Probably a simple question but...

2006-06-16 Thread Mayo, Richard A RDECOM CERDEC STCD SRI
 -Original Message-
 From: Danial Thom [mailto:[EMAIL PROTECTED] 
 Sent: Friday, June 16, 2006 11:59 AM
 To: Atom Powers; Mayo, Richard A RDECOM CERDEC STCD SRI
 Cc: freebsd-questions@freebsd.org
 Subject: Re: Probably a simple question but...
 
 Are you running mrouted?




I'm not.  And when I try, I get an error about the functionality not being 
built into the kernel...

I'm guessing this is my problem.  Any suggestions on how to correct this will 
be greatly appreciated.

Rich Mayo
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