nixfiles/hosts/astatine/ppp.nix

{ pkgs, ... }:

{
  # Make space for VLAN header in containing ethernet segment
  networking.interfaces."enp1s0".mtu = 1518;

  ## DSL-Uplink
  networking.vlans."enp1s0.7" = {
    id = 7;
    interface = "enp1s0";
  };

  services.pppd = {
    enable = true;
    peers.lns-test = {
      config = ''
        plugin pppoe.so enp1s0.7
        user "criese#regiotest@bsa-vdsl"
        ifname ppp-lns-test
        persist
        maxfail 0
        holdoff 5
        noipdefault
        lcp-echo-interval 20
        lcp-echo-failure 3
        hide-password
        nodefaultroute
        +ipv6
        debug
      '';
    };
  };

  /*
  networking.interfaces.lo.useDHCP = true;
  networking.interfaces.ppp-lns-test.useDHCP = true;

  networking.dhcpcd = {
    enable = true;
    extraConfig = ''
      interface ppp-lns-test
        ipv6rs
        ia_pd 0 lo/0
    '';
  };*/

  environment.etc."ppp/ip-up" = {
    text = ''
      #! ${pkgs.runtimeShell} -e

      ${pkgs.iproute2}/bin/ip route flush table 20001 || true
      ${pkgs.iproute2}/bin/ip route add default dev ppp-lns-test table 20001
    '';
    mode = "555";
  };
  environment.etc."ppp/ip-down" = {
    text = ''
      #! ${pkgs.runtimeShell} -e

      ${pkgs.iproute2}/bin/ip route flush table 20001 || true
    '';
    mode = "555";
  };
  environment.etc."ppp/ipv6-up" = {
    text = ''
      #! ${pkgs.runtimeShell} -e

      ${pkgs.iproute2}/bin/ip -6 route flush table 20001 || true
      ${pkgs.iproute2}/bin/ip -6 route add default dev ppp-lns-test table 20001
    '';
    mode = "555";
  };
  environment.etc."ppp/ipv6-down" = {
    text = ''
      #! ${pkgs.runtimeShell} -e

      ${pkgs.iproute2}/bin/ip -6 route flush table 20001 || true
    '';
    mode = "555";
  };

  petabyte.policyrouting = {
    enable = true;
    rules4 = [
      { rule = "from 212.218.16.237/32 lookup 20001"; prio = 19000; }
      { rule = "from 212.218.16.237/32  unreachable"; prio = 19001; }
    ];
  };

}