From owner-freebsd-questions@freebsd.org Tue Jun 25 10:36:05 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CA76D15C80C9 for ; Tue, 25 Jun 2019 10:36:05 +0000 (UTC) (envelope-from 4250.10.freebsd-questions=freebsd.org@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 00479849A9 for ; Tue, 25 Jun 2019 10:36:04 +0000 (UTC) (envelope-from 4250.10.freebsd-questions=freebsd.org@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1561458965; x=1564050965; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:to:from:date:x-thread-info; bh=N5e7lE8s0qJINmTlRcMl3y7g/rWVz5VAQn+4px9RFQs=; b=cwo6Gjl/QHCFFt+iIBFbOA/m1O9/l3sxiNURDSN8mhqadjZXnfSCvShJcevz3JT8xpLyWO7zH3cbv0G2m2pfihJ6xrlsruYJsYyWOlPWUJrPwwjxrdYOrKFtiix+NaVwpljyFFV42mIb6MMgdUYMvaQLLVFpZHksYeKbaTNsxZs= X-Thread-Info: NDI1MC4xMi4xYjUwMDAwMDA4YmJhODkuZnJlZWJzZC1xdWVzdGlvbnM9ZnJlZWJzZC5vcmc= Received: from r4.h.in.socketlabs.com (s1-b40f.socketlabs.email-od.com [142.0.180.15]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Tue, 25 Jun 2019 06:35:54 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r4.h.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Tue, 25 Jun 2019 06:35:54 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.91 (FreeBSD)) (envelope-from ) id 1hfinp-000Ehk-4M for freebsd-questions@freebsd.org; Tue, 25 Jun 2019 11:35:53 +0100 Date: Tue, 25 Jun 2019 11:35:52 +0100 From: Steve O'Hara-Smith To: freebsd-questions@freebsd.org Subject: Re: IPv6-only network--is NAT64+DNS64 really this easy now? Message-Id: <20190625113552.369ccee676de102a867cf618@sohara.org> In-Reply-To: <93a8bcd3-df22-7f9b-ef42-2791987eb7c7@qeng-ho.org> References: <5e24739b-bbd0-d94a-5b0e-53fdeba81245@bluerosetech.com> <19784363-6543-ccc1-b13f-5f1a67dc10d1@bluerosetech.com> <20190625071943.vwswhj2lh6ctj4vy@deathbolt.927589452.space> <93a8bcd3-df22-7f9b-ef42-2791987eb7c7@qeng-ho.org> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) X-Clacks-Overhead: "GNU Terry Pratchett" Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 00479849A9 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=email-od.com header.s=dkim header.b=cwo6Gjl/; spf=pass (mx1.freebsd.org: domain of 4250.10.freebsd-questions=freebsd.org@email-od.com designates 142.0.176.198 as permitted sender) smtp.mailfrom=4250.10.freebsd-questions=freebsd.org@email-od.com X-Spamd-Result: default: False [-1.72 / 15.00]; R_SPF_ALLOW(-0.20)[+ip4:142.0.176.0/20]; MV_CASE(0.50)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; MX_GOOD(-0.01)[cached: mxbh.socketlabs.com]; DKIM_TRACE(0.00)[email-od.com:+]; NEURAL_HAM_SHORT(-0.54)[-0.544,0]; FORGED_SENDER(0.00)[steve@sohara.org,4250.10.freebsd-questions=freebsd.org@email-od.com]; RCVD_TLS_LAST(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; MIME_TRACE(0.00)[0:+]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.10.freebsd-questions=freebsd.org@email-od.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.96)[-0.965,0]; R_DKIM_ALLOW(-0.20)[email-od.com:s=dkim]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.995,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[sohara.org]; FORGED_SENDER_VERP_SRS(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-0.21)[ip: (-0.55), ipnet: 142.0.176.0/22(-0.25), asn: 7381(-0.18), country: US(-0.06)]; RCVD_IN_DNSWL_NONE(0.00)[198.176.0.142.list.dnswl.org : 127.0.15.0]; ENVFROM_VERP(0.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Jun 2019 10:36:06 -0000 On Tue, 25 Jun 2019 11:17:30 +0100 Arthur Chance wrote: > Really? My ISP (Zen in the UK) gives you a /48 as standard (plus a /64 > just for the link to them), and everything I've seen about IPv6 suggests > /48 or /56 assignments are the norms. That's the design, /64 for networks and larger assignments for groups of networks. -- Steve O'Hara-Smith