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43 lines
1.1 KiB
Markdown
43 lines
1.1 KiB
Markdown
# IPv6 Configuration {#sec-ipv6}
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IPv6 is enabled by default. Stateless address autoconfiguration is used
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to automatically assign IPv6 addresses to all interfaces, and Privacy
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Extensions (RFC 4946) are enabled by default. You can adjust the default
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for this by setting [](#opt-networking.tempAddresses). This option
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may be overridden on a per-interface basis by
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[](#opt-networking.interfaces._name_.tempAddress). You can disable
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IPv6 support globally by setting:
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```nix
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networking.enableIPv6 = false;
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```
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You can disable IPv6 on a single interface using a normal sysctl (in
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this example, we use interface `eth0`):
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```nix
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boot.kernel.sysctl."net.ipv6.conf.eth0.disable_ipv6" = true;
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```
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As with IPv4 networking interfaces are automatically configured via
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DHCPv6. You can configure an interface manually:
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```nix
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networking.interfaces.eth0.ipv6.addresses = [ {
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address = "fe00:aa:bb:cc::2";
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prefixLength = 64;
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} ];
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```
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For configuring a gateway, optionally with explicitly specified
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interface:
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```nix
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networking.defaultGateway6 = {
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address = "fe00::1";
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interface = "enp0s3";
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};
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```
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See [](#sec-ipv4) for similar examples and additional information.
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