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by Dagger2 1948 days ago
Teredo involves 2001:0::/32, Teredo servers and Teredo relays; connections over Teredo involve doing things like NAT traversal and asking the Teredo server to send a ping on your behalf to the target IP first. Teredo might use IPv6-in-UDP packets but that doesn't mean that every instance of IPv6-in-UDP is Teredo.

Since you're not using 2002::/16 it's not 6to4 either. It's 6rd, except tunnelling 6rd's 6in4 packets over UDP makes it incompatible with that. I was going to suggest "6rd-UDP" but https://tools.ietf.org/html/draft-lee-softwire-6rd-udp-02 exists/existed and it's different, so maybe something else.