Return-path: Received: from mail2.candelatech.com ([208.74.158.173]:48198 "EHLO mail2.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751365AbdINU36 (ORCPT ); Thu, 14 Sep 2017 16:29:58 -0400 Subject: Re: ROAM/CONNECT event with PORT_AUTHORIZED To: Denis Kenzior , Johannes Berg , Arend van Spriel , Arend van Spriel , Jouni Malinen References: <1505378361.31630.2.camel@sipsolutions.net> <1505389462.31630.6.camel@sipsolutions.net> <1505416658.31630.15.camel@sipsolutions.net> <9219316a-5556-6acf-30de-e9aa65a05706@gmail.com> <6d0ad07b-ca89-19a1-d3c2-ad94915b942a@candelatech.com> <5436d106-0b4a-9158-58bf-ff84b231cd19@candelatech.com> Cc: Avraham Stern , linux-wireless From: Ben Greear Message-ID: <8a26a838-adde-08f1-5f64-c98e1d947675@candelatech.com> (sfid-20170914_223001_524003_20704249) Date: Thu, 14 Sep 2017 13:29:57 -0700 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 09/14/2017 01:26 PM, Denis Kenzior wrote: > Hi Ben, >> >> How do you re-confirm them? There are definitely cases where SSID/Security is the same but each >> AP has its own DHCP server and roaming between them will require getting a new DHCP address (on >> the same (NAT'd) subnet and with same gateway, likely as not). >> > > Using DHCPREQUEST to verify obtained parameters, or the DHCPv6 equivalent Confirm message. This obviously requires some integration between the dhcp daemon and > the supplicant. Do you want to allow the just-now-roamed station to use its old IP address(es) while you are confirming? If not, how is this different from just re-doing DHCP like normal? And if so, you will in some cases be allowing duplicate IP addresses on a network? Thanks, Ben > > Regards, > -Denis > -- Ben Greear Candela Technologies Inc http://www.candelatech.com