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base repository: NixOS/nixpkgs
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compare: d349582c0769
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  • 1 commit
  • 1 file changed
  • 1 contributor

Commits on Dec 17, 2020

  1. nixos/network-interfaces-systemd: fix IPv6 privacy extensions 

    networkd seems to be buggy with IPv6PrivacyExtensions=kernel being set,
and the addresses don't appear anymore. In fact, the corresponding
sysctl seems to be set to -1 again.

Fixes #106858.
Upstream Issue: systemd/systemd#18003
    @flokli @FRidh
    flokli authored and FRidh committed Dec 17, 2020
    Copy the full SHA
    d349582 View commit details
Showing with 11 additions and 1 deletion.
  1. +11 −1 nixos/modules/tasks/network-interfaces-systemd.nix
12 changes: 11 additions & 1 deletion nixos/modules/tasks/network-interfaces-systemd.nix
View file
Original file line number Diff line number Diff line change
@@ -93,7 +93,17 @@ in
(if i.useDHCP != null then i.useDHCP else false));
address = forEach (interfaceIps i)
(ip: "${ip.address}/${toString ip.prefixLength}");
networkConfig.IPv6PrivacyExtensions = "kernel";
# IPv6PrivacyExtensions=kernel seems to be broken with networkd.
# Instead of using IPv6PrivacyExtensions=kernel, configure it according to the value of
# `tempAddress`:
networkConfig.IPv6PrivacyExtensions = {
# generate temporary addresses and use them by default
"default" = true;
# generate temporary addresses but keep using the standard EUI-64 ones by default
"enabled" = "prefer-public";
# completely disable temporary addresses
"disabled" = false;
}.${i.tempAddress};
linkConfig = optionalAttrs (i.macAddress != null) {
MACAddress = i.macAddress;
} // optionalAttrs (i.mtu != null) {