>2^64 link layer connections are probably not present in a competently designed IPv6 network. From the article: "Provides a very simple mechanism for a single

>2^64 link layer connections are probably not present in a competently designed IPv6 network. From the article: "Provides a very simple mechanism for a single host or interface to be able to run 2^64 virtual machines" That equates to AT LEAST 2^64 NDP entries. And when the L3 domain is scoped to that of a single hypervisor, router redirects are not relevant.