From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: [iproute2] iproute2: Allow 'ip addr flush' to loop more than 10 times. Date: Tue, 29 Jun 2010 08:04:34 -0700 Message-ID: <4C2A0B82.7020701@candelatech.com> References: <1277790959-28075-1-git-send-email-greearb@candelatech.com> <50mof7-b9p.ln1@chipmunk.wormnet.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Alexander Clouter Return-path: Received: from mail.candelatech.com ([208.74.158.172]:35046 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755799Ab0F2PEp (ORCPT ); Tue, 29 Jun 2010 11:04:45 -0400 In-Reply-To: <50mof7-b9p.ln1@chipmunk.wormnet.eu> Sender: netdev-owner@vger.kernel.org List-ID: On 06/29/2010 01:03 AM, Alexander Clouter wrote: > greearb@gmail.com wrote: >> >> The default remains at 10 for backwards compatibility. >> >> For instance: >> # ip addr flush dev eth2 >> *** Flush remains incomplete after 10 rounds. *** >> # ip -l 20 addr flush dev eth2 >> *** Flush remains incomplete after 20 rounds. *** >> # ip -loops 0 addr flush dev eth2 >> # >> >> This is useful for getting rid of large numbers of IP >> addresses in scripts. >> > Maybe I am missing a trick, but what is wrong with putting this trivial > logic into the script: > > ip addr show ${DEV} | awk '/inet6? / { print $2 }' | xargs -I{} ip addr del '{}' dev ${DEV} This isn't going to be fast if you have thousands of addresses. > You can probably speed things up with '-P' too, '-P 2' gives me a huge > huge speed up for the work I do with 'ip route'. Where are you using the -P at? It's not a supported option of 'ip' as far as I can tell. > Why the need to cram more functionality and options into iproute when > it is something that can be pushed into the wrapper script? Speed and ease of use. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com