From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752565AbbAKWk6 (ORCPT ); Sun, 11 Jan 2015 17:40:58 -0500 Received: from mail-pd0-f180.google.com ([209.85.192.180]:41614 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750967AbbAKWkz (ORCPT ); Sun, 11 Jan 2015 17:40:55 -0500 Date: Sun, 11 Jan 2015 14:40:39 -0800 From: Stephen Hemminger To: Richard Weinberger Cc: davem@davemloft.net, coreteam@netfilter.org, netfilter-devel@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bhutchings@solarflare.com, john.fastabend@gmail.com, herbert@gondor.apana.org.au, vyasevic@redhat.com, jiri@resnulli.us, vfalico@gmail.com, therbert@google.com, edumazet@google.com, yoshfuji@linux-ipv6.org, jmorris@namei.org, kuznet@ms2.inr.ac.ru, kadlec@blackhole.kfki.hu, kaber@trash.net, pablo@netfilter.org, kay@vrfy.org Subject: Re: [PATCH 1/3] net: Make interface aliases available for general usage Message-ID: <20150111144039.426f0c48@urahara> In-Reply-To: <1421009571-5279-2-git-send-email-richard@nod.at> References: <1421009571-5279-1-git-send-email-richard@nod.at> <1421009571-5279-2-git-send-email-richard@nod.at> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 11 Jan 2015 21:52:49 +0100 Richard Weinberger wrote: > Allow interface aliases to be used as regular interfaces. > Such that a command sequence like this one works: > $ ip l set eth0 alias internet > $ ip a s internet > $ tcpdump -n -i internet > > Signed-off-by: Richard Weinberger There is already a ifalias and it is used by SNMP. But the common practice is to put longer descriptive names which aren't going to be usable and there is no requirement that they be unique. I think you can't do this without breaking some of our users.