{ config, pkgs, lib, ... }: 
{
  krz-router = {
    enable = true;
    enablePrimary = true;
    vip = "129.199.146.230";
    rip = "129.199.146.231";
    trunkPort.macAddress = "92:E3:9C:CE:EF:14";
  };

#  services.keepalived.enable = true;
#  services.keepalived.vrrpInstances.wan = {
#    interface = "swp";
#    state = "MASTER";
#    priority = 50;
#    virtualIps = [{ addr = "129.199.146.230"; }];
#    virtualRouterId = 1;
#  };


  # systemd.services."systemd-networkd".environment.SYSTEMD_LOG_LEVEL = "debug";
  environment.systemPackages = [ pkgs.tcpdump pkgs.wireguard-tools ];

  # Zone based firewall

  # Flow accounting in PostgreSQL.
  services.postgresql = {
    enable = true;
    ensureUsers = [];
  };
#  services.ulogd = {
#    enable = true;
#    settings = {
#    };
#  };
}