Hacker News new | ask | show | jobs
by rnhmjoj 1040 days ago
You can if you have NAT64:

    $ ping 64:ff9b::1.1.1.1
    PING 64:ff9b::1.1.1.1(one.one.one.one (64:ff9b::101:101)) 56 data bytes
    64 bytes from one.one.one.one (64:ff9b::101:101): icmp_seq=1 ttl=54 time=10.4 ms
    64 bytes from one.one.one.one (64:ff9b::101:101): icmp_seq=2 ttl=54 time=10.0 ms
2 comments
remram 1039 days ago
The NAT64 prefix (64:ff9b::/96) is not the one GP cited (::ffff:0:0/96).

Also I don't have NAT64... The fact that ISPs don't provide NAT64 by default is kind of my point.

link
FuriouslyAdrift 1040 days ago
And then we are back to NAT...
link
Dagger2 1040 days ago
Yes. What were you expecting? There's no way for a v4-only device to reply to a packet from a v6 source address otherwise. The source address has to be mapped to an address the v4-only device understands, and then mapped back again for the reply packets.

How else could this work?

link