[Witarea] Re: [v6ops] Re: Re: How to make an elegant IPv4 outage
Ole Trøan <[email protected]> Fri, 12 Jun 2026 14:11:59 +0200
| Newsgroups | gmane.ietf.tsv-area,gmane.ietf.general,gmane.ietf.v6ops |
|---|---|
| Message-ID | <[email protected]> |
--===============0602302394735779390== Content-Type: multipart/alternative; boundary=Apple-Mail-D08DB8A4-4226-46BE-86ED-8983CD261E4B Content-Transfer-Encoding: 7bit --Apple-Mail-D08DB8A4-4226-46BE-86ED-8983CD261E4B Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html class=3D"apple-mail-supports-explicit-dark-mode"><head><meta http-equi= v=3D"content-type" content=3D"text/html; charset=3Dutf-8"></head><body dir=3D= "auto"><div dir=3D"ltr"></div><div dir=3D"ltr"><br></div><blockquote type=3D= "cite"><div dir=3D"ltr"><title></title><div>Sounds like dhcp needs a zone re= fresh timer. </div></div></blockquote><div><br></div>Is it something DH= CPv6 and IPv6 ND doesn=E2=80=99t need it is more timers and =C2=ABlifetime=C2= =BB promises. <div><br></div><div>Would be interesting to know if any o= f those are used operationally as was intended. </div><div><br></div><d= iv>Ole</div><div><div><div><blockquote type=3D"cite"><div dir=3D"ltr"><div><= br></div><div>On Fri, Jun 12, 2026, at 12:54 PM, Ole Tr=C3=B8an wrote:</div>= <blockquote type=3D"cite" id=3D"qt" style=3D""><div dir=3D"ltr"><br></div><d= iv dir=3D"ltr">Tim,</div><div dir=3D"ltr">=EF=BB=BF</div><blockquote type=3D= "cite"><div dir=3D"ltr"><div style=3D"direction:ltr;font-family:Aptos, Arial= , Helvetica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);">Well, that=E2=80= =99s 6man, this is v6ops. If bad operational procedures are followed, w= e should highlight those with pointers to the good. Doesn=E2=80=99t ha= ve to name names I suppose.</div></div></blockquote><div><br></div><div>You c= ould. But it=E2=80=99s a world of inconsistency. DHCPv6 PD lifetimes was rec= ommended to mirror the lifetime of the customer contract. But then you got i= nto issues with state maintenance on intermediate routers, and ended up with= short lifetimes, so RR has no visibility into the actual lifetime of the pr= efix. </div><div>Then providers raised the issue of rebalancing custome= rs between eg CMTSs, where maintaining the same prefix has a cost.</div><div= >And I am sure a desire for tiered products. </div><div>A combination o= f ipv6 protocols, business practices and operational reality.</div><div><br>= </div><div>Ole</div><div><br></div><div><br></div><blockquote type=3D"cite">= <div dir=3D"ltr"><div style=3D"direction:ltr;font-family:Aptos, Arial, Helve= tica, sans-serif;font-size:12pt;color:rgb(0, 0, 0);"><br></div><div id=3D"qt= -mail-editor-reference-message-container"><div class=3D"qt-ms-outlook-mobile= -reference-message qt-skipProofing" style=3D"direction:ltr;"><br></div><div c= lass=3D"qt-ms-outlook-mobile-reference-message qt-skipProofing">On 12/06/202= 6, 10:48, "Ole Tr=C3=B8an" <[email protected]> wrote:</div><div cl= ass=3D"qt-ms-outlook-mobile-reference-message qt-skipProofing" style=3D"dire= ction:ltr;"><br></div><div class=3D"qt-ms-outlook-mobile-reference-message q= t-skipProofing" style=3D"direction:ltr;"><br></div><blockquote><div class=3D= "qt-ms-outlook-mobile-reference-message qt-skipProofing" style=3D"direction:= ltr;font-family:Aptos, Arial, Helvetica, sans-serif;font-size:12pt;color:rgb= (0, 0, 0);">Perhaps we need to start draft-v6ops-ipv6-dinosaurs and start to= name and shame such organisations and what they=E2=80=99re doing wrong=E2=80= =A6 polite but objective critique and pointers in the doc to best practice.<= /div></blockquote><div class=3D"qt-ms-outlook-mobile-reference-message qt-sk= ipProofing" style=3D"direction:ltr;"><br></div><div class=3D"qt-ms-outlook-m= obile-reference-message qt-skipProofing">It may produce a better outcome if w= e instead focus on fixing the gaps in ipv6. </div><div class=3D"qt-ms-= outlook-mobile-reference-message qt-skipProofing" style=3D"direction:ltr;"><= br></div><div class=3D"qt-ms-outlook-mobile-reference-message qt-skipProofin= g">Ole</div><div class=3D"qt-ms-outlook-mobile-reference-message qt-skipProo= fing" style=3D"direction:ltr;"><br></div><div class=3D"qt-ms-outlook-mobile-= reference-message qt-skipProofing" style=3D"direction:ltr;"><br></div><div c= lass=3D"qt-ms-outlook-mobile-reference-message qt-skipProofing" style=3D"dir= ection:ltr;"><br></div><blockquote><div id=3D"qt-mail-editor-reference-messa= ge-container"><div class=3D"qt-ms-outlook-mobile-reference-message qt-skipPr= oofing">On 11/06/2026, 21:03, "Phillip Hallam-Baker" <[email protected]= om> wrote:</div><div class=3D"qt-ms-outlook-mobile-reference-message qt-s= kipProofing" style=3D"direction:ltr;"><br></div><div class=3D"qt-gmail_defau= lt" style=3D"direction:ltr;font-size:9.75pt;">Just got off the phone with a v= ery large ISP after a failed attempt to get an IPv6 address.</div><div class= =3D"qt-gmail_default" style=3D"direction:ltr;font-size:9.75pt;"><br></div><d= iv class=3D"qt-gmail_default" style=3D"direction:ltr;font-size:9.75pt;">Turn= s out that I can have IPv6 but only dynamic and only if I am on dynamic IPv4= . I cannot get IPv6 for my service with static IPv4 addresses.</div><div cla= ss=3D"qt-gmail_default" style=3D"direction:ltr;font-size:9.75pt;"><br></div>= <div class=3D"qt-gmail_default" style=3D"direction:ltr;font-size:9.75pt;">Se= ems to me that we are still a long way away from being able to shutter IPv4 c= ompletely.</div><div class=3D"qt-gmail_default" style=3D"direction:ltr;font-= size:9.75pt;"><br></div><div class=3D"qt-gmail_default" style=3D"direction:l= tr;font-size:9.75pt;">What I have not yet tried but should is trying to use t= he IPv6 mapping of my IPv4 addresses.</div></div><div class=3D"qt-ms-outlook= -mobile-reference-message qt-skipProofing" style=3D"direction:ltr;"><div>___= ____________________________________________</div><div> v6ops mailing list -= - [email protected]</div><div> To unsubscribe send an email to v6ops-leave@ietf= .org</div></div></blockquote></div></div></blockquote><div>_________________= ______________________________</div><div>v6ops mailing list -- <a href=3D= "mailto:[email protected]">[email protected]</a></div><div>To unsubscribe send an e= mail to <a href=3D"mailto:[email protected]">[email protected]</a= ></div><div><br></div></blockquote><div><br></div></div></blockquote></div><= /div></div></body></html>= --Apple-Mail-D08DB8A4-4226-46BE-86ED-8983CD261E4B-- --===============0602302394735779390== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline LS0gCldpdGFyZWEgbWFpbGluZyBsaXN0IC0tIHdpdGFyZWFAaWV0Zi5vcmcKVG8gdW5zdWJzY3Jp YmUgc2VuZCBhbiBlbWFpbCB0byB3aXRhcmVhLWxlYXZlQGlldGYub3JnCg== --===============0602302394735779390==--