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::1 is the new 127.0.0.1
:: abbreviates empty fields
ipv6 has more addresses
there is something going on with mac addresses (asside from arp)
thats all i remember
35 points
10 points
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fc00::/7 are ULA (basically what RFC1918 was for IPv4) not entirely true, fc00::/8 is part of ULA, but it is not yet defined. Use fd00::/8 instead.
2001:db8::/32 is for documentation purposes
2 points
You’re not supposed to use fc00::/8, so it’s just the fd00::/8 half that’s the new ULA.
2 points
IMO they shouldn’t have allowed ULA as part of the standard. There’s no good reason for it.