4 ms·

SLAAC is a core component of IPv6 - it's how a machine determines an address on a subnet without DHCPv6. Basically: "yoohoo - where am I?" "You are on 2001:1

SLAAC is a core component of IPv6 - it's how a machine determines an address on a subnet without DHCPv6. Basically: "yoohoo - where am I?" "You are on 2001:1001:1001:f0d::/64. My name is [ipv6] and I am a router and for some odd reason, I won't tell you where DNS comes from because ... stupid design" "Cool, I'll fiddle in my drawers and play with my MAC address and create a really long number that starts 2001:etc. I'll also create a few other addresses randomly to hide my private parts (which is a waste of time but looks good - lol)" No idea what you are on about wrt EUI-64 being tied to SLAAC. Why not have a go at it instead of pontificating? Having used IPv6 in anger for several years now, it is a bit different but it is actually quite beautiful at times. It does enforce decent DNS and who here has not said "its DNS"?

hotpotamus 4y ago
I've set up SLAAC before but it's not something I do often. Frankly I'm still on the fence of whether or not v6 was a good idea. Fiddling in the drawers with the MAC address is EUI-64 though, and I was under the impression that the SLAAC "client" doesn't broadcast any kind of discovery message - it just listens to the network to determine the prefix, and then generates the EUI-64 portion as its host address since it should be globally unique as it's based on its MAC address. Like I said, I don't touch v6 much and I'm pretty surprised at how far we've made it past v4 allocations drying up and everything still seems to work.
- gerdesj 4y ago
  You'll be fine for a long time. IPv6 is not quite right but not for the reasons that you'll usually see on HN/Reddit/whatevs. It does work pretty well already but I put it rather below the significance of say global warming as a thing to really worry about. Give it a go if you get a prefix from your ISP. It's worth a play. This sort of thing takes 50+ years to work. You have to think like an Engineer with a lot of time to play with. The internet is everywhere, it doesn't change overnight.

hotpotamus 4y ago

I've set up SLAAC before but it's not something I do often. Frankly I'm still on the fence of whether or not v6 was a good idea. Fiddling in the drawers with the MAC address is EUI-64 though, and I was under the impression that the SLAAC "client" doesn't broadcast any kind of discovery message - it just listens to the network to determine the prefix, and then generates the EUI-64 portion as its host address since it should be globally unique as it's based on its MAC address. Like I said, I don't touch v6 much and I'm pretty surprised at how far we've made it past v4 allocations drying up and everything still seems to work.

gerdesj 4y ago
You'll be fine for a long time. IPv6 is not quite right but not for the reasons that you'll usually see on HN/Reddit/whatevs. It does work pretty well already but I put it rather below the significance of say global warming as a thing to really worry about. Give it a go if you get a prefix from your ISP. It's worth a play. This sort of thing takes 50+ years to work. You have to think like an Engineer with a lot of time to play with. The internet is everywhere, it doesn't change overnight.