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Date:      Fri, 3 Aug 2001 08:16:46 -0700 (PDT)
From:      "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net>
To:        daniel.sobral@tcoip.com.br (Daniel C. Sobral)
Cc:        stable@FreeBSD.ORG
Subject:   Re: Request for testers: multicast patch
Message-ID:  <200108031516.IAA51292@gndrsh.dnsmgr.net>
In-Reply-To: <3B6AA752.4070003@tcoip.com.br> from "Daniel C. Sobral" at "Aug 3, 2001 10:29:54 am"

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> [Bcc'ed to -net]
> 
> On http://people.freebsd.org/~dcs/ip_output.c there is a port to stable 
> of the revisions 1.127 through 1.130 of /sys/netinet/ip_output.c. These 
> patches do the following:
> 
> 1) Enable one to send multicast packets without a default route or 
> routes to the multicast addresses.

This might break part of the multicast propogation protection,  IIRC
this was a specific feature of the original Deering multicast code
to prevent unwanted propogation of multicast packets on multihomed
hosts.

> 2) Enable one to send multicast packets on an interface without an address.
> 
> 3) Prevent trouble if packets are sent through an interface without an 
> address (vlan excluded).

What source IP address is used for 2 and 3???

-- 
Rod Grimes - KD7CAX @ CN85sl - (RWG25)               rgrimes@gndrsh.dnsmgr.net

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