On 18/06/19 3:38 AM, Reco wrote: > Hi. > > On Mon, Jun 17, 2019 at 10:38:27AM -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? > > More or less yes. It's called ULA (Unique Local Address) in IPv6 lingua. > If you're using anything from fd00:/8 - you're safe.
As long as you choose them randomly. If you decide to use fd00::/64, or something else predictable, you may run into conflicts ... but only if you connect directly to their network. Better safe than sorry though. The main reason I'm using v6 is that 2 networks I'm running a VPN between both chose 192.168.1.0/24, and I can't change either ... There are online random ULA generators - but I'm not convinced one of them didn't give me the same block twice, or whether it was my own error. Richard
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