[GH-ISSUE #4378] IPv6 support for peer IPs #8562

New Issue

saavagebueno · 2026-08-05T01:18:35-04:00

saavagebueno commented

2026-08-05 01:18:35 -04:00

Originally created by @Darin755 on GitHub (Aug 19, 2025).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/4378

Is your feature request related to a problem? Please describe.
Right now it only seems possible to use IPv4 addresses for peers. However, it would be nice to be able to use IPv6 and the features that come with it. For instance it would be cool if you could assign a prefix to a group and then have devices use SLAAC or something equivalent to get an address. This might take some work to get working but it would be cool if devices could self assign an address but have permissions set by group membership.

IPv6 is also nice since the private space has 2^121 addresses which means that an address collision is very unlikely. (2^57 subnets)

Describe the solution you'd like
It would be nice if each group would get a private IPv6 prefix assigned to it. It would also be nice to just have IPv6 addresses available but I think the biggest advantage of IPv6 is the huge address space.

Describe alternatives you've considered
IPv4 does technically work so this is more of a quality of life.

Additional context
IPv6 is expanding in use and I think over time it is going to become very relevant to have.

Originally created by @Darin755 on GitHub (Aug 19, 2025). Original GitHub issue: https://github.com/netbirdio/netbird/issues/4378 **Is your feature request related to a problem? Please describe.** Right now it only seems possible to use IPv4 addresses for peers. However, it would be nice to be able to use IPv6 and the features that come with it. For instance it would be cool if you could assign a prefix to a group and then have devices use SLAAC or something equivalent to get an address. This might take some work to get working but it would be cool if devices could self assign an address but have permissions set by group membership. IPv6 is also nice since the private space has 2^121 addresses which means that an address collision is very unlikely. (2^57 subnets) **Describe the solution you'd like** It would be nice if each group would get a private IPv6 prefix assigned to it. It would also be nice to just have IPv6 addresses available but I think the biggest advantage of IPv6 is the huge address space. **Describe alternatives you've considered** IPv4 does technically work so this is more of a quality of life. **Additional context** IPv6 is expanding in use and I think over time it is going to become very relevant to have.

saavagebueno added the feature-request label 2026-08-05 01:18:35 -04:00

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claude/agent-network-test-cases-p743vw

android/gui-integration

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Reference: DYNR/netbird#8562