Date: Fri, 02 Nov 2007 16:33:00 +0000 From: "Bruce M. Simpson" <bms@FreeBSD.org> To: Yar Tikhiy <yar@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/net if_disc.c Message-ID: <472B513C.9000307@FreeBSD.org> In-Reply-To: <200710271957.l9RJvfWH049713@repoman.freebsd.org> References: <200710271957.l9RJvfWH049713@repoman.freebsd.org>
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Yar Tikhiy wrote: > yar 2007-10-27 19:57:41 UTC > > FreeBSD src repository > > Modified files: > sys/net if_disc.c > Log: > Add a comment explaining why disc(4) bears the IFF_LOOPBACK flag. > It should be the final follow-up to an old yet unfinished discussion > on whether IFF_LOOPBACK is necessary for disc(4) and why. > Thanks for doing this. It is also worth noting that blackhole routes in the forwarding table rely upon there being a lo(4) interface in the system unless fast forwarding is enabled. This is a 'gotcha' which people may not be aware of, though I think I may have commented it somewhere... BMS
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