Date: Fri, 02 Mar 2001 09:22:45 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: Ted Mittelstaedt <tedm@toybox.placo.com> Cc: freebsd-questions@FreeBSD.org, Doug Young <dougy@gargoyle.apana.org.au> Subject: RE: Promiscuous Mode ?? Message-ID: <XFMail.010302092245.jhb@FreeBSD.org> In-Reply-To: <002901c0a2f1$cdb23440$1401a8c0@tedm.placo.com>
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On 02-Mar-01 Ted Mittelstaedt wrote: >>[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of John Baldwin >>On 01-Mar-01 Doug Young wrote: >>> Would someone please comment on the following. The machine is >>> running fine so I don't believe its anything particularly bad, but I >>> don't recall seeing that particular message previously. >> >>Do you use DHCP? Every time you get or renew a lease dhclient puts the >>interface in promiscuous mode. > > No, it doesen't - DHCP is just another service, it requests via broadcast > packets and listens for a unicast packet response on a specified port. Hrm. At one point in time dhclient did use bpf to do this. Oh, but I think we fixed our IP stack to accept packets addressed to 0.0.0.0 (which dhclient uses as the interface's address) and once that was done promiscuous mode wasn't needed any longer. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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