From dmrz@illinois.edu Thu Jul 7 16:05:11 2016 MIME-Version: 1.0 In-Reply-To: X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD autolearn=ham autolearn_force=no version=3.4.0 X-RT-Interface: API References: <56D0F465.5010402@illinois.edu> X-Clientproxiedby: cex137.ad.uillinois.edu (64.22.177.33) To cex137.ad.uillinois.edu (64.22.177.33) Message-ID: <577E7DAE.1090908@illinois.edu> content-type: text/plain; charset="utf-8"; format="flowed" X-RT-Original-Encoding: utf-8 X-Spam-Score: 0 Received: from mx.ams1.isc.org (mx.ams1.isc.org [199.6.1.65]) by bugs.isc.org (Postfix) with ESMTP id 6721E71B5A8 for ; Thu, 7 Jul 2016 16:05:11 +0000 (UTC) Received: from pps05.cites.illinois.edu (pps05.cites.illinois.edu [192.17.82.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx.ams1.isc.org (Postfix) with ESMTPS id 1A3411FCA9D for ; Thu, 7 Jul 2016 16:05:08 +0000 (UTC) Received: from cex137.ad.uillinois.edu (cex137.cites.illinois.edu [64.22.177.33]) by pps05.cites.illinois.edu (8.15.0.59/8.15.0.59) with ESMTPS id u67G53aD003264 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Thu, 7 Jul 2016 11:05:04 -0500 Received: from [192.17.25.102] (64.22.180.153) by cex137.ad.uillinois.edu (64.22.177.33) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Thu, 7 Jul 2016 11:05:02 -0500 Delivered-To: dhcp-review@bugs.isc.org User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 Subject: Re: [ISC-Bugs #41815] issues reclaiming abandoned leases X-Spam-Details: rule=cautious_plus_nq_notspam policy=cautious_plus_nq score=0 spamscore=0 suspectscore=13 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607070146 Return-Path: X-Original-To: dhcp-review@bugs.isc.org X-Spam-Origsender: dmrz@illinois.edu Date: Thu, 7 Jul 2016 11:05:02 -0500 X-Spam-Bar: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mx.ams1.isc.org X-Originating-Ip: [64.22.180.153] To: dhcp-review@isc.org Content-Transfer-Encoding: 7bit From: "David Zych" RT-Message-ID: Content-Length: 1065 Hi Shawn, Just checking: was this intended for me? (It looks like the middle of an internal discussion) Thanks, David On 07/06/2016 11:06 PM, Shawn Routhier via RT wrote: > On Wed Jul 06 13:07:59 2016, tmark wrote: > >>> >>> I believe we concluded that there would be problems with the ping >>> code >>> if the user set the time value to be < 60 seconds but we were okay >>> with that >>> as an unlikely set up. We should mention it in the documentation. >> >> Actually, since I changed the ping check logic to test to: >> >> (cltt > 60) || (state == FTS_ABANDONED) >> >> it really doesn't matter what value they use. >> > > Doesn't the lease get moved back to the FREE state after the timeout period? > So if they use something like 30 then 30 seconds after the last touch the lease > goes from ABANDONED to FREE and if we still have the previous CLTT it would > be less than 60. I took a quick look and didn't see CLTT being cleared but I > may have missed it. > > > -- David Zych Lead Network Service Engineer University of Illinois Technology Services