[erlang-questions] Switching and Routing protocols

Torben Hoffmann <>
Mon Sep 8 13:15:04 CEST 2008


On Sun, Aug 31, 2008 at 1:46 AM, Sargun Dhillon <> wrote:

> Apparently gen_udp does support multicast, but it isn't in the
> documentation. Does anyone know where one may find documentation
> regarding multicasting with gen_udp?


I cannot remember where we found the information, but I think we looked in
the code...

gen_udp:open(?PORT_NUM_TX_MULTI,
            [binary, {active, true},
            {ip, SomeIP},
            inet,
{multicast_ttl, 255},
                                        {multicast_loop, true},
                                        {multicast_if, IsiGwIP}]),





>
>
> 2008/8/28 mog <>:
> > On Thu, Aug 28, 2008 at 04:37:29PM -0700, Sargun Dhillon wrote:
> >> protocol Erlang is great. Regarding OSPFd/RIP (other (broad/multi)cast
> >> IGPs) the gen_udp module doesn't implement multicast last time I
> >> checked. Unless this has changed you'll need to write an external port
> >> driver for this purpose.
> >> We'd love to hear your attempts at routing protocols in Erlang.
> >
> > I can't speak to the rest of this email but multicast support is
> available in erlang as of r11b3 i know for sure probably earlier.
> >
> > Mog
> >
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