Saturday, May 2, 2015

routing - Best way to forward whole ipv6 /64 subnet range to single address (on Linux, obv)?

I want to forward incoming connections to any address within an assigned ipv6 /64 subnet on a VPS.



Obviously I can't add a billion individual address to the interface, but perhaps I could use a bogus route with a mangle iptables rule to pretend 1 address is a router for the subnet, then just answer arriving packets instead of forwarding them on? Not sure if that's possible or if there's a cleaner approach.

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