From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 29 Dec 2002 13:39:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 29 Dec 2002 13:39:11 -0500 Received: from mailout07.sul.t-online.com ([194.25.134.83]:10158 "EHLO mailout07.sul.t-online.com") by vger.kernel.org with ESMTP id ; Sun, 29 Dec 2002 13:39:11 -0500 To: Sebastian Abt Cc: linux-kernel@vger.kernel.org Subject: Re: patch for null-interface? References: <20021229140121.34f0fbf6.sebastian@sabt.net> From: Andi Kleen Date: 29 Dec 2002 19:47:15 +0100 In-Reply-To: <20021229140121.34f0fbf6.sebastian@sabt.net> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Sebastian Abt writes: > Is there any patch for null-interfaces like they exist in Cisco IOS > available? I'm searching for sth like that to do null-routing, but > google didn't find anything :/ I guess you mean an interface without an own IP address? Just give it the IP address of some other interface, with a full (/32) netmask. The kernel needs at least one IP address per router/host to start local connections and give ICMP errors an source. -Andi