Date: Thu, 04 Jan 2001 15:11:48 -0800 From: Wilbert de Graaf <wilbertdg@hetnet.nl> To: net@freebsd.org Subject: Re: igmp and if_down() Message-ID: <3A550334.7489DF76@hetnet.nl> References: <3A54FDEB.FB442E82@hetnet.nl>
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> * a socket subscribes to some group on the ppp interface, and he sees > IGMP reports > * hangs no up, and dials in again and the IGMP messages continue > > He thinks this is not okay, but I'm not sure. You could argue that > membership on a non-existing interface is impossible. On the other hand, > it's get more complicated if you do remove membership: are you going to > inform those sockets on which you removed their membership ? > > What do you think ? Thinking about it, the FreeBSD works out fine if multicast applications conclude that something is wrong if they don't get traffic on a socket. Their action would be to simply close() the socket or remove membership. Wilbert To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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