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Cloudflare Mesh Can Finally Visit Your IPv6 Home!

Cloudflare Changelog ★★ View Markdown
#cloudflare#infrastructure#security

Hi there, I'm Shiichan! Today I found a quiet but handy networking update, so let me share it with you.

Cloudflare Changelog developers.cloudflare.com

What was announced?

Cloudflare Mesh nodes can now advertise IPv6 subnets. This one comes from the Cloudflare One Changelog.

Where it used to be IPv4 only, IPv6 is now added, so you can expose both IPv4 and IPv6 subnets through your Mesh nodes.

The story so far

Cloudflare Mesh connects your devices so they can reach private networks, but until now the routes a node could advertise were limited to IPv4 subnets.

That made the IPv6 side of things - IPv6-only internal networks, or the IPv6 half of a dual-stack setup - harder to reach through Mesh alone.

What changes

From now on, IPv6-only or dual-stack private networks behind a Mesh node become reachable from any enrolled device.

If you run internal systems built around IPv6, this is a small but genuinely nice win.

Dive Deep

Setup is refreshingly simple: you add an IPv6 route with the exact same process as an IPv4 route. Standard IPv6 CIDR notation works as-is, and the changelog uses fd00::/64 as its example.

fd00::/64

You can configure it from the Cloudflare dashboard or programmatically via the API. For the step-by-step, check the route-adding docs.

Wrap-up

  • Cloudflare Mesh nodes can now advertise IPv6 CIDR routes
  • You can expose both IPv4 and IPv6 subnets through Mesh
  • Adding a route is the same as IPv4, using standard IPv6 CIDR like fd00::/64
  • Configure it from the dashboard or via the API

This one quietly lands for anyone wiring up IPv6-only or dual-stack internal networks with Cloudflare One!

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