services.strongswan-swanctl.swanctl.connections.<name>.children.<name>.copy_df
Whether to copy the DF bit to the outer IPv4 header in tunnel mode. This effectively disables Path MTU discovery (PMTUD). Controlling this behavior is not supported by all kernel interfaces.
StrongSwan default: true
- Type
null or boolean- Default
null- Declared
- <nixpkgs/nixos/modules/services/networking/strongswan-swanctl/module.nix>