On 22/06/19 3:01 PM, David Wright wrote: > On Wed 19 Jun 2019 at 04:23:15 (+1200), Richard Hector wrote: >> On 19/06/19 4:12 AM, David Wright wrote: >>> On Mon 17 Jun 2019 at 10:38:27 (-0400), Gene Heskett wrote: >> >>>> But that opens yet another container of worms. If I arbitrarily assign >>>> ipv6 local addresses, and later, ipv6 shows up at my side of the router, >>>> what if I have an address clash with someone on a satellite circuit in >>>> Ulan Bator. How is that resolved, by unroutable address blocks such as >>>> 192.168.xx.xx is now? >>> >>> Seems a good reason not to bother setting up ipv6 local addresses >>> until we (you and I) understand it and ever see ipv6 on this side >>> of the modem. I'm not holding my breath. >> >> If you never try setting it up, when do you expect to understand it? And >> I see IPv6 on my side of the modem; I suspect many others do too. I >> expect you'll get it sooner or later. > > What's more relevant to me is not when IPv6 is made availble to me, but > when IPv4 is withdrawn. Until then, I have IPv6 disabled in the router.
Hmm. Waiting till IPv4 is turned off globally is way too long. You want to be ready for the first IPv6-only site that you want to communicate with, or which wants to communicate with you. It may be very soon, or possibly have already happened - I don't know if people trying to send me mail have failed due to my mail server not yet supporting IPv6. If you're exclusively doing client-side stuff, then I guess at least you'll be the first to know when something doesn't work :-) Is that when you want to be turning it on and figuring out any issues? > It really comes down to the cost/benefit ratio. Currently the benefit > is almost zero, so any cost makes the ratio almost infinite. > > Lastly, what do you understand by the word "understand"? I wouldn't > claim to understand much of IPv4 as I've no need to. Judging by your > https://lists.debian.org/debian-user/2019/06/msg00554.html > you're doing far more sophisticated things than I ever expect to do. > I trust that by the time I might need IPv4, there'll be plenty of > HOWTOs floating around for simple setups. Fair enough. Maybe :-) I don't claim to understand all of either IPv4 or IPv6 either. And most of my learning has been due to some requirement. But it's been a long time since I deliberately turned IPv6 off (IIRC); if something doesn't work, that's something to learn about, not to disable, if I can help it. Richard
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