Date: Fri, 16 Sep 2022 18:35:53 +0200 From: <driesm@FreeBSD.org> To: <freebsd-net@freebsd.org> Subject: PPPoE (mpd5) IPv6 issues Message-ID: <004701d8c9ea$63e10090$2ba301b0$@FreeBSD.org>
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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 <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" = xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta = http-equiv=3DContent-Type content=3D"text/html; = charset=3Dus-ascii"><meta name=3DGenerator content=3D"Microsoft Word 15 = (filtered medium)"><style><!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; font-size:11.0pt; font-family:"Calibri",sans-serif; mso-fareast-language:EN-US;} span.EmailStyle17 {mso-style-type:personal-compose; font-family:"Calibri",sans-serif; color:windowtext;} .MsoChpDefault {mso-style-type:export-only; font-family:"Calibri",sans-serif; mso-fareast-language:EN-US;} @page WordSection1 {size:612.0pt 792.0pt; margin:72.0pt 72.0pt 72.0pt 72.0pt;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--></head><body lang=3DNL-BE = link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div = class=3DWordSection1><p class=3DMsoNormal>Hi = freebsd-net!<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p = class=3DMsoNormal><span lang=3DEN-US>After a lot of google and tinkering = I have hit a brick wall trying to set-up my new ISP which uses = PPPoE.<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>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.<o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US>Although I cant find that much info = about it. I have tcpmss fix turned on in my = mpd.conf<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US><o:p> </o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>There seems to be a few sites like google.com and = youtube.com that keep working.<o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US>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:<o:p></o:p></span></p></div></body></html> ------=_NextPart_000_0048_01D8C9FB.276ABAF0--
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