If MTU discovery fails it's usually because a device is trying to seamlessly fragment. Set do not fragment on your device nearest the customer and that should solve it. On Thu, Mar 14, 2024 at 11:38 AM David Lang via LibreQoS < libreqos@lists.bufferbloat.net> wrote: > we are having some issues with ipv6, since you are a big ipv6 advocate, > you may > be able to help > > we get IPv6 via a hurricane electric tunnel and apparently PMTU discovery > is > misbehving. We've tried reducing the MTU a bit but still having issues. > > David Lang > > On Thu, 14 Mar 2024, David Lang via Make-wifi-fast wrote: > > > Date: Thu, 14 Mar 2024 10:19:21 -0700 (PDT) > > From: David Lang via Make-wifi-fast < > make-wifi-fast@lists.bufferbloat.net> > > Reply-To: David Lang > > To: Dave Taht > > Cc: Dave Taht via Starlink , > > Make-Wifi-fast , > > libreqos > > Subject: Re: [Make-wifi-fast] SCALE 21x conference this week results? > > > > On Thu, 14 Mar 2024, Dave Taht via Make-wifi-fast wrote: > > > >> I am curious if anyone here is at scale this week? (it is in pasadena, > and > >> one of my favorite conferences - > https://www.socallinuxexpo.org/scale/21x ) > >> One of our core bufferbloat contributors (david lang) used to fq_codel > the > >> wifi there and they built custom boxes to manage the wifi in general > >> (leveraging openwrt), I am not sure how they are doing it this year. > > > > I am here, and we are still running openwrt, mostly on the wndr3800 APs > > still. stop by the noc in the conf center room 215. > > > > David Lang > > > >> I always appreciate random users testing with speedtest, > >> cloudflare,flent,irtt on the conference wifi, and would love results > from > >> this one especially. David published an update to this document a few > years > >> ago, but I cannot find it. This was the state of play in 2013. > >> > >> > https://www.usenix.org/sites/default/files/conference/protected-files/wireless_paper_slides.pdf > >> > >> It was the best wifi on the planet then. > >> > >> ---------- Forwarded message --------- > >> From: Google Calendar > >> Date: Thu, Mar 14, 2024 at 8:50 AM > >> Subject: Notification: SCALE 21x @ Thu Mar 14 9am - Sun Mar 17, 2024 > 5:30pm > >> (GMT-4) (Dave Taht) > >> To: Dave Taht > >> > >> > >> SCALE 21x > >> You have been invited by unknownorganizer@calendar.google.com to > attend an > >> event named SCALE 21x on Thursday Mar 14 ⋅ 9am – Sunday Mar 17, 2024 ⋅ > >> 5:30pm (Eastern Time - New York). > >> > >> You have an upcoming event > >> > >> SCALE 21x > >> Thursday Mar 14 ⋅ 9am – Sunday Mar 17, 2024 ⋅ 5:30pm (Eastern Time - New > >> York) > >> Locationhttps://www.linkedin.com/events/scale21x7123455134910574592 > >> View map > >> < > https://www.google.com/url?q=https%3A%2F%2Fwww.linkedin.com%2Fevents%2Fscale21x7123455134910574592&sa=D&source=calendar&usd=2&usg=AOvVaw3X1UEtve0I57MTQPZbLnZG > > > >> Organizer > >> unknownorganizer@calendar.google.com > >> Guests > >> Dave Taht - creator > >> View all event details > >> < > https://calendar.google.com/calendar/event?action=VIEW&eid=XzZ0bG5hcXJsZTVwNmNwYjRkaG1qNHBocGVobW02b3BnNjlwbW1xcmtkZGlqMGQxcDY5b200ZTMzZWNyNjhwcjZkaGhta2NyZ2M1aDZvcHBpZWNxNmtkYjFlNHA2MmNwcDZoajc0cXBqZTFoNmUgZGF2ZS50YWh0QG0&tok=MzYjdW5rbm93bm9yZ2FuaXplckBjYWxlbmRhci5nb29nbGUuY29tNGI5YTMyMDY3NGRiMDIzNTk2Mzk2ZGYyN2ZjY2U1ZWIxN2E4MjEwNA&ctz=America%2FNew_York&hl=en&es=1 > > > >> > >> Invitation from Google Calendar > >> > >> You are receiving this email because you are subscribed to calendar > >> notifications. To stop receiving these emails, go to Calendar settings > >> , select this > calendar, > >> and change "Other notifications". > >> > >> Forwarding this invitation could allow any recipient to send a response > to > >> the organizer, be added to the guest list, invite others regardless of > >> their own invitation status, or modify your RSVP. Learn more > >> > >> > >> > >_______________________________________________ > LibreQoS mailing list > LibreQoS@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/libreqos >