# Comparison of IPv6 support in operating systems

This is a comparison of operating systems in regard to their support of the IPv6 protocol.
| OS | Version | Claimed IPv6-ready | Installed by default | DHCPv6 | ND RDNSS | Notes |
| AIX | 4.3 | Yes | Yes | Yes | No | |
| AlliedWare Plus | 5.4.4 | Yes | Yes | Yes | No | |
| Android | 4.2 (Ice Cream Sandwich) | Yes | Yes | No | Yes | |
| ChromeOS | 67.0.3396.99 | Yes | Yes | No | Yes | |
| Cisco IOS | 15.3 | Yes | Yes | Yes | Yes | Support for RDNSS option as of 15.4(1)T, 15.3(2)S. |
| Cisco Meraki | MR series 28.1 and later | Yes | Yes | No | Yes | Devices support DHCPv6 for clients but not for themselves. |
| Cisco Meraki | MX & MX series | No | No | No | No | Devices can only carry/pass through IPv6 on bridge, but not route. |
| Debian | 3.0 (woody) | Yes | Yes | Yes | Yes | RDNSS support with "rdnssd" and "resolvconf" or "openresolve" packages. |
| Fedora | 13 | Yes | Yes | Yes | Yes | |
| FreeBSD | 9.0 | Yes | Yes | Add-on | Yes | |
| FreeDOS | 1.3 | No | No | No | No | |
| HP-UX | 11i | Yes | Yes | Yes | Yes | |
| IBM i | 7.1 | Yes | Yes | Yes | No | |
| iOS | 4.1 | Yes | Yes | Yes | Yes | |
| Juniper JUNOS | 14.1 | Yes | Yes | Yes | Yes | RDNSS support introduced in JunOS 14.1 |
| LibreELEC | 9.2.1 | Yes | Yes | Yes | Yes | |
| Mageia | 7+ | Yes | Yes | Yes | Yes | Mageia has had full support for IPv6 only and IPv4 + IPv6 since Mageia 7, as well as continuing to support IPv4 only systems. |
| macOS | Mac OS X 10.7 (Lion) | Yes | Yes | Yes | Yes | Versions 10.7 through 10.10 often prefer IPv4 even when working IPv6 connectivity is available. Versions 10.11 and up will prioritize IPv6 Traffic in spec with Happy Eyeballs. |
| MeeGo | 1.2 | No | Yes | No | Yes | |
| NetBSD | 7.0 | Yes | Yes | Yes | Yes | |
| Nintendo | Switch 17.0.1 | No | No | ? | ? | |
| OpenBSD | 6.6 | Yes | Yes | Add-on | Yes | RDNSS is only supported for rad(8) so far. As of 6.6, OpenBSD still does not favor IPv6 connectivity if there is IPv4 connectivity. |
| openSUSE | 42.1 (Leap) | Yes | Yes | Yes | Yes | |
| OpenVMS | 8.3 | Yes | Yes | No | No | |
| PlayStation | 4 v3.50 | No | No | Yes | ? | |
| PlayStation | 5 | Yes | Yes | Yes | ? | |
| ReactOS | 0.4.14 | No | No | No | No | Though ReactOS itself has no IPv6 support, ReactOS Foundation services are all IPv6 enabled. |
| Red Hat Enterprise Linux | 6 | Yes | Yes | Yes | Yes | |
| Solaris | 11 | Yes | Yes | Yes | Yes | |
| SUSE Linux Enterprise Server | 11 | Yes | Yes | Yes | Yes | |
| Symbian | 7.0 | Yes | Yes | No | No | |
| Tizen (Smart TVs) | 1420.0 | Yes | Yes | ? | ? | |
| Tizen (Smart TVs) | 1622.4 | Yes | Yes | ? | ? | |
| Ubuntu | All supported versions | Yes | Yes | Yes | Yes | RDNSS support available so long as NetworkManager uses IPv6 "Automatic" setting, otherwise "rdnssd" package required. |
| webOS | 2.1.0 | No | No | No | No | |
| Windows NT (includes Windows 10 Mobile, and Xbox One onwards) | 5.1 (XP) | Yes | No | Add-on | No | Windows XP users can use Dibbler, an open source DHCPv6 implementation. --update: Windows XP fully supports IPv6- but NOT IPv6 DNS queries (nslookup) |
| Windows NT (includes Windows 10 Mobile, and Xbox One onwards) | 6.x (Vista, 7, 8, 8.1), 10 RTM-Anniversary Update | Yes | Yes | Yes | No | rdnssd-win32 provides an open source implementation of ND RDNSS |
| Windows NT (includes Windows 10 Mobile, and Xbox One onwards) | 10 Creators Update and later | Yes | Yes | Yes | Yes | Windows 10 Creators Update introduces support for RFC 8106 (6106) RDNSS. |
| Windows Mobile | 6.5 | Yes | Yes | Lite | No | If the OEM explicitly unsets the SYSGEN_TCPIP6 pre-processor symbol, the built image will not have any IPv6 capabilities. |
| Windows Phone | 7.5 | No | No | No | No | |
| Windows Phone | 8(.1) | Yes | Yes | Yes | No | Private lab research. No privacy extensions (RFC4941). |
| z/OS | V1R4.0 | Yes | Yes | No | ? | |
| z/VM | V5R1.0 | Yes | Yes | No | No | |
| z/VSE | V4R2 | Add-on | No | ? | ? | Via a third party TCP/IP stack, IP6/VSE from Barnard Software, Inc. |