Re: broadcast udp packets ...

From: Wes Peters (wes_at_softweyr.com)
Date: 07/12/03

  • Next message: Wes Peters: "Re: broadcast udp packets ..." 
    To: Don Lewis <truckman@FreeBSD.org>
Date: Fri, 11 Jul 2003 17:00:54 -0700

    On Friday 11 July 2003 14:09, Don Lewis wrote:
    > On 11 Jul, Wes Peters wrote:
    > > What we observed on our embedded system is the packet gets sent on
    > > all attached interfaces, with dest IP 255.255.255.255, and a src IP
    > > of the local address that has the default route. If there isn't a
    > > default route, sending to 255.255.255.255 fails with "no route to
    > > host."
    > >
    > > This is bogus, so I propose to change it to a special case, where
    > > packets sent to 255.255.255.255 will be sent on each attached
    > > interface, with src IP of the interface "primary" address. Does
    > > this sound reasonable? Should it work without a default route? (I
    > > think it should, the special case of the all-call broadcast
    > > shouldn't even go into rtalloc.)
    >
    > This sounds good. I think it should work without a default route.

    I forgot to say "on all interfaces which have broadcast enabled," which
    effectively weeds out the loopback interface amongst others. 

    -- 
         "Where am I, and what am I doing in this handbasket?"
Wes Peters                                              wes@softweyr.com
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