From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowmini Varadhan Subject: Re: [PATCH RFC net-next] arp: Really delete an arp entry on "arp -d" Date: Wed, 31 May 2017 11:22:03 -0400 Message-ID: <20170531152203.GB9362@oracle.com> References: <1496116096-77316-1-git-send-email-sowmini.varadhan@oracle.com> <20170530162020.137aef02@xeon-e3> <20170530233232.GL23089@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Stephen Hemminger , netdev@vger.kernel.org To: David Ahern Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:39509 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751164AbdEaPWO (ORCPT ); Wed, 31 May 2017 11:22:14 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On (05/30/17 18:42), David Ahern wrote: > It has been noticed. I have not sent a patch since adjusting gc > parameters will reclaim FAILED entries at whatever rate the user wants. Overly aggressive garbage collection will delete other (non-FAILED) entries as well, and can trigger needless re-ARP (or re-ND), whereas the admin may just want to lose some selective static arp/NCE entries. --Sowmini