Date: Thu, 23 Sep 1999 10:51:31 +0200 From: Pierre Beyssac <beyssac@enst.fr> To: "N. C. Hong" <nchong@uswest.net>, freebsd-net@FreeBSD.ORG Subject: Re: FreeBSD 3.2 bug when calling connect on a UDP socket? Message-ID: <19990923105131.A99097@enst.fr> In-Reply-To: <000201bf058f$b27c0e40$0200000a@gchunghome>; from N. C. Hong on Wed, Sep 22, 1999 at 11:48:51PM -0700 References: <000201bf058f$b27c0e40$0200000a@gchunghome>
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On Wed, Sep 22, 1999 at 11:48:51PM -0700, N. C. Hong wrote: > On FreeBSD 3.2, when running two instances of the following program, the > second instance fails during the connect call. It works fine on Windows NT. > I haven't tested on other platforms. I don't see any reason why two UDP > sockets bound to the same port on the same host can't both be "connected" to > a multicast endpoint. Apparently, you haven't given any indication to the system that you want to connect to a multicast endpoint. You have to use socket option IP_ADD_MEMBERSHIP. See man ip(4). -- Pierre Beyssac pb@enst.fr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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