From owner-freebsd-rc@freebsd.org Tue Feb 9 20:47:09 2016 Return-Path: Delivered-To: freebsd-rc@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EE2ADAA2162 for ; Tue, 9 Feb 2016 20:47:09 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id CBE6413CA for ; Tue, 9 Feb 2016 20:47:09 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 7F16A20D12 for ; Tue, 9 Feb 2016 15:47:02 -0500 (EST) Received: from web6 ([10.202.2.216]) by compute5.internal (MEProxy); Tue, 09 Feb 2016 15:47:02 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=imcYENxdolRuALM tWbNQmpi9tOE=; b=AiobfyM5gOc5XdnWeUfdZLEB2RDACqFDv0WUPwS2ZtTbphM JFJAucdPAUQphcVa2FAa2yAhu8x6IWTNMy1w7if+y7C3cJid1fDQ9gp9clpqZW/m Tzs8q/VSzaUyHNoD66x7pQ+7IcshBmJjJTELph8SPjvilXUCf7F+y6J+FG2k= Received: by web6.nyi.internal (Postfix, from userid 99) id 4C5EA4623D; Tue, 9 Feb 2016 15:47:02 -0500 (EST) Message-Id: <1455050822.3971641.516614250.014CA496@webmail.messagingengine.com> X-Sasl-Enc: y3VGsJpM8rjPUucaBV9EBG6ZSspZb561BMkmU6I6jwjy 1455050822 From: Mark Felder To: erdgeist , freebsd-rc@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-Mailer: MessagingEngine.com Webmail Interface - ajax-57359b3d Subject: Re: Suddenly: _IPEXPANDMAX Date: Tue, 09 Feb 2016 14:47:02 -0600 In-Reply-To: <7F5E86C5-C3D9-4FD3-866F-0B4CAAD54693@erdgeist.org> References: <7F5E86C5-C3D9-4FD3-866F-0B4CAAD54693@erdgeist.org> X-BeenThere: freebsd-rc@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Discussion related to /etc/rc.d design and implementation." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Feb 2016 20:47:10 -0000 On Mon, Feb 8, 2016, at 22:16, erdgeist wrote: > Hey all, >=20 > I=E2=80=99ve recently (shortly after its EoL) upgraded my many-user-jails= -box > from 8.4 to 9.3 and noticed some of the jails failing to start. They all > had in common that their IP address was above a certain suffix. Their IP > addresses just were not configured on the interface. >=20 > After some investigation I found the hardcoded value _IPEXPANDMAX of 31 > in /etc/network.subr and that I basically can not run more than 31 jails > on my server anymore, if I am not willing to do some insane stuff, like > editing a non-user-servicable rc script or manually adding each IP > address or combining different schemes to add ranges (I=E2=80=99ve been u= sing > ipv4_addrs_IF). >=20 > Now, I find the arbitrary limit of 31 IP addresses cumbersome and even > more annoying that it=E2=80=99s not tuneable. The warning somehow also di= d not > properly find its way to my /var/log/messages, which leaves further work > for debugging. >=20 > I noticed this has been fixed in > https://svnweb.freebsd.org/base/head/etc/network.subr?r1=3D267812&r2=3D27= 1424 >=20 > Is it possible to backport it to 9.4? >=20 I almost want to call this errata... and I don't really see harm in backporting this. --=20 Mark Felder ports-secteam member feld@FreeBSD.org