IPv6 Flashcards by Rich Alberth

Q

IPv6

How do VPCs handle IPv6 routing with IPv4 addresses?

A

They don’t. All routing is separate for IPv4 and IPv6.

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Q

IPv6

How do you dual-stack a NAT Gateway to handle IPv4 and IPv6?

A

Can’t, and it isn’t needed. NATGW tech exists to conserve or deal with IPv4 exhaustion.

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Q

IPv6

So how do you “hide” IPv6 subnets in a VPC from all being available on the public Internet?

A

Egress-only Internet Gateway: all IPv6 goes out, nothing outside can reach in.

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Q

IPv6

How do you handle bidirectional IPv4 traffic in a VPC with only one-way IPv6?

A

IGW for only IPv4, Egress-only IGW for IPv6 traffic.

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