From owner-freebsd-net Sat Mar 4 17:19:32 2000 Delivered-To: freebsd-net@freebsd.org Received: from whizzo.transsys.com (whizzo.TransSys.COM [144.202.42.10]) by hub.freebsd.org (Postfix) with ESMTP id EA1FC37B932 for ; Sat, 4 Mar 2000 17:19:29 -0800 (PST) (envelope-from louie@whizzo.transsys.com) Received: from whizzo.transsys.com (localhost.transsys.com [127.0.0.1]) by whizzo.transsys.com (8.9.3/8.9.1) with ESMTP id UAA15249; Sat, 4 Mar 2000 20:18:32 -0500 (EST) (envelope-from louie@whizzo.transsys.com) Message-Id: <200003050118.UAA15249@whizzo.transsys.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: Bill Fenner Cc: efisch@kpmg.com, freebsd-net@FreeBSD.ORG X-Image-URL: http://www.transsys.com/louie/images/louie-mail.jpg From: "Louis A. Mamakos" Subject: Re: IGMP packets?! References: <200003042212.OAA13714@windsor.research.att.com> In-reply-to: Your message of "Sat, 04 Mar 2000 14:12:49 PST." <200003042212.OAA13714@windsor.research.att.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 04 Mar 2000 20:18:32 -0500 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > >I have a ppp dial-on-demand gateway that does not drop the connection as it > >is supposed to. I ran tcpdump and found that every 30 seconds the gateway > >is sending igmp v2 queries to "ALL-SYSTEMS.MCAST.NET". > > > >Any idea where these are coming from any how to stop them? > > They are coming from a multicast routing daemon such as pimd or mrouted. > One way to turn them off would be to disable the interface in question > in the multicast routing daemon's configuration file. And in the general case, you probably want to explicitly configure what kind of traffic you want to have keep up (or to bring up) your link. As time goes on, there are likely to be more of these behind-the-scenes maintenance protocols going on. louie To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message