Date: Mon, 12 Feb 2007 18:25:57 -0500 From: Kevin Way <kevin@insidesystems.net> To: freebsd-stable@FreeBSD.ORG, olli@lurza.secnetix.de Subject: Re: Desired behaviour of "ifconfig -alias" Message-ID: <45D0F785.1040805@insidesystems.net> In-Reply-To: <200702121809.l1CI9rBq065457@lurza.secnetix.de> References: <200702121809.l1CI9rBq065457@lurza.secnetix.de>
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Oliver Fromme wrote: > But you called it "confusing". That's just your personal > perception. It doesn't mean it is confusing to everybody. > If asked what -alias does, would you really reply "it removes the primary IP, while leaving the alias?" Be honest here. > Also note that it doesn't hurt anybody. If you run RELENG_6_2, and a jail fails to start, this command is called. And instead of unaliasing the jail's alias, it (because of a bug in the shipped rc.d scripts), it removes the primary IP. So that is a real life, non-third-party incident, where a machine was knocked off-line unexpectedly, because of this behavior. Sure, it didn't *hurt* me, but knocking a machine off-line is a pretty serious side effect, especially when it isn't documented. Errors in the other direction are more likely to result in a machine remaining reachable. Fortunately, it appears that a fairly strong consensus is appearing in support of an eventual refinement of this behavior. Best Regards, Kevin Way
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