From owner-freebsd-bugs@FreeBSD.ORG Tue Jan 20 12:20:03 2009 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4705D1065670 for ; Tue, 20 Jan 2009 12:20:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 33D9E8FC0A for ; Tue, 20 Jan 2009 12:20:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n0KCK2Qp081215 for ; Tue, 20 Jan 2009 12:20:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n0KCK2Yr081214; Tue, 20 Jan 2009 12:20:02 GMT (envelope-from gnats) Date: Tue, 20 Jan 2009 12:20:02 GMT Message-Id: <200901201220.n0KCK2Yr081214@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: "Remko Lodder" Cc: Subject: Re: conf/130776: ip addresses like 10.1.1.1 with subnet mask 255.0.0.0 makes the box unreachable X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Remko Lodder List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jan 2009 12:20:04 -0000 The following reply was made to PR conf/130776; it has been noted by GNATS. From: "Remko Lodder" To: "Manjunath Tata" Cc: freebsd-gnats-submit@freebsd.org Subject: Re: conf/130776: ip addresses like 10.1.1.1 with subnet mask 255.0.0.0 makes the box unreachable Date: Tue, 20 Jan 2009 13:17:58 +0100 (CET) Dear Manjunath, On Tue, January 20, 2009 12:10 pm, Manjunath Tata wrote: > > bng-dlsw-bsd1# uname -a > FreeBSD bng-dlsw-bsd1.englab.juniper.net 4.11-RELEASE FreeBSD 4.11-RELEASE > #0: Fri Jan 21 17:21:22 GMT 2005 Please note that 4.x is no longer supported, so if this is 4.x specific, it will not be resolved ... > root@perseus.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 > >>Description: > When an ip address in the 10 network i.e., say 10.1.1.1 with subnet mask > 255.0.0.0 makes the box unreachable. > The same doesn't happen with 11,12,13 and so on networks. > But, when i try to configure an ip address like "ifconfig em1 10.0.56.141 > netmask 255.0.0.0" works fine and the link(em1 here) is up with the > address. > Sure, so you have configured an interface (em0) with a 10.x network and you configure the netmask to match a /A (/8, /255.0.0.0) range, this is a very very big range, which could make sure that the gateway that you normally use to reach the device, becomes unreachable (different broadcast address and things like that). Can you tell us more specifics about the "reachability" you need to have? How is the router configured through which you want to reach the box? Is em1 attached to the same network? or did you switch cables to get this far? Please let me know, Best regards, Remko -- /"\ Best regards, | remko@FreeBSD.org \ / Remko Lodder | remko@EFnet X http://www.evilcoder.org/ | / \ ASCII Ribbon Campaign | Against HTML Mail and News