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[87.64.17.139]) by smtp.gmail.com with ESMTPSA id c17-20020a17090618b100b0076f08f6b563sm10428917ejf.65.2022.09.16.09.35.52 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Sep 2022 09:35:52 -0700 (PDT) From: To: Subject: PPPoE (mpd5) IPv6 issues Date: Fri, 16 Sep 2022 18:35:53 +0200 Message-ID: <004701d8c9ea$63e10090$2ba301b0$@FreeBSD.org> List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0048_01D8C9FB.276ABAF0" X-Mailer: Microsoft Outlook 16.0 Content-Language: en-be Thread-Index: AdjJ6fKqXWmUl7Z6TuiqZw3zH0Yr3Q== X-Rspamd-Queue-Id: 4MTfp26KS2z3q4r X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of driesm.michiels@gmail.com designates 209.85.218.54 as permitted sender) smtp.mailfrom=driesm.michiels@gmail.com X-Spamd-Result: default: False [-3.10 / 15.00]; NEURAL_HAM_SHORT(-1.00)[-0.999]; NEURAL_HAM_MEDIUM(-1.00)[-0.999]; NEURAL_HAM_LONG(-1.00)[-0.998]; FORGED_SENDER(0.30)[driesm@FreeBSD.org,driesmmichiels@gmail.com]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RWL_MAILSPIKE_GOOD(-0.10)[209.85.218.54:from]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[freebsd.org]; FROM_NO_DN(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_FROM(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[209.85.218.54:from]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; ARC_NA(0.00)[]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FREEMAIL_ENVFROM(0.00)[gmail.com]; TO_DOM_EQ_FROM_DOM(0.00)[]; FROM_NEQ_ENVFROM(0.00)[driesm@FreeBSD.org,driesmmichiels@gmail.com]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org] X-ThisMailContainsUnwantedMimeParts: N This is a multipart message in MIME format. ------=_NextPart_000_0048_01D8C9FB.276ABAF0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hi freebsd-net! After a lot of google and tinkering I have hit a brick wall trying to set-up my new ISP which uses PPPoE. I'm at the point where IPv4 works fine 100% for all websites. But from the moment I turn on IPv6 all sites that prefer IPv6 stop working, I have confirmed that routing table etc all look good. So I'm more suspicious to a MTU / MSS issue. Although I cant find that much info about it. I have tcpmss fix turned on in my mpd.conf There seems to be a few sites like google.com and youtube.com that keep working. I have googled thoroughly but I was unable to find a fix for my problem. The one close to my issue seems this issue from 2020: ------=_NextPart_000_0048_01D8C9FB.276ABAF0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Hi = freebsd-net!

 

After a lot of google and tinkering = I have hit a brick wall trying to set-up my new ISP which uses = PPPoE.

I’m at the point where IPv4 works fine 100% for all = websites. But from the moment I turn on IPv6 all sites that prefer IPv6 = stop working, I have confirmed that routing table etc all look good. So = I’m more suspicious to a MTU / MSS issue.

Although I cant find that much info = about it. I have tcpmss fix turned on in my = mpd.conf

 

There seems to be a few sites like google.com and = youtube.com that keep working.

 

I have googled thoroughly but I was = unable to find a fix for my problem. The one close to my issue = seems  this issue from = 2020:

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