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use native networkmanager option for enabling clat

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Lumpiasty
2026-07-05 16:14:05 +02:00
parent 71f061ba1b
commit b49bbadd4f
1 changed files with 4 additions and 6 deletions
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modules/system/ipv6-mostly.nix
+4 -6
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@@ -14,14 +14,12 @@
networking.networkmanager.package = pkgs.networkmanager-clat; networking.networkmanager.package = pkgs.networkmanager-clat;
# Drop a conf.d snippet that sets connection-level defaults. # Drop a conf.d snippet that sets connection-level defaults.
# NM reads /etc/NetworkManager/conf.d/*.conf in addition to NetworkManager.conf. networking.networkmanager.settings.connection = {
environment.etc."NetworkManager/conf.d/99-ipv6-mostly.conf".text = ''
# IPv6-mostly: automatically enable CLAT (464XLAT) and DHCPv4 option 108 # IPv6-mostly: automatically enable CLAT (464XLAT) and DHCPv4 option 108
# when the network advertises PREF64 and/or option 108 (RFC 8925). # when the network advertises PREF64 and/or option 108 (RFC 8925).
# On networks without these, behaviour is unchanged (native IPv4 proceeds). # On networks without these, behaviour is unchanged (native IPv4 proceeds).
[connection-defaults] "ipv4.clat" = "auto";
ipv4.clat=auto "ipv4.dhcp-ipv6-only-preferred" = "auto";
ipv4.dhcp-ipv6-only-preferred=auto };
'';
}; };
} }