l prism.r: simplify networking

2 files changed, 12 insertions, 24 deletions

diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix
index 62c6f0b7..7bffc39a 100644
--- a/lass/1systems/prism/config.nix
+++ b/lass/1systems/prism/config.nix
@@ -25,7 +25,6 @@ with import <stockholm/lib>;
       ];
     }
     { # TODO make new hfos.nix out of this vv
-      boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
       users.users.riot = {
         uid = genid_uint31 "riot";
         isNormalUser = true;
@@ -33,23 +32,10 @@ with import <stockholm/lib>;
         openssh.authorizedKeys.keys = [
           "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC6o6sdTu/CX1LW2Ff5bNDqGEAGwAsjf0iIe5DCdC7YikCct+7x4LTXxY+nDlPMeGcOF88X9/qFwdyh+9E4g0nUAZaeL14Uc14QDqDt/aiKjIXXTepxE/i4JD9YbTqStAnA/HYAExU15yqgUdj2dnHu7OZcGxk0ZR1OY18yclXq7Rq0Fd3pN3lPP1T4QHM9w66r83yJdFV9szvu5ral3/QuxQnCNohTkR6LoJ4Ny2RbMPTRtb+jPbTQYTWUWwV69mB8ot5nRTP4MRM9pu7vnoPF4I2S5DvSnx4C5zdKzsb7zmIvD4AmptZLrXj4UXUf00Xf7Js5W100Ne2yhYyhq+35 riot@lagrange"
         ];
-        packages = [
-          (pkgs.writeDashBin "kick-routing" ''
-            /run/wrappers/bin/sudo ${pkgs.systemd}/bin/systemctl restart krebs-iptables.service
-          '')
-        ];
       };
-      security.sudo.extraConfig = ''
-        riot ALL=(root) NOPASSWD: ${pkgs.systemd}/bin/systemctl restart krebs-iptables.service
-      '';
-
-      # TODO write function for proxy_pass (ssl/nonssl)
-
       krebs.iptables.tables.filter.FORWARD.rules = [
-        { v6 = false; precedence = 1000; predicate = "-d 192.168.122.141"; target = "ACCEPT"; }
-      ];
-      krebs.iptables.tables.nat.PREROUTING.rules = [
-        { v6 = false; precedence = 1000; predicate = "-d 95.216.1.130"; target = "DNAT --to-destination 192.168.122.141"; }
+        { v6 = false; precedence = 1000; predicate = "--destination 95.216.1.130"; target = "ACCEPT"; }
+        { v6 = false; precedence = 1000; predicate = "--source 95.216.1.130"; target = "ACCEPT"; }
       ];
     }
     {
diff --git a/lass/1systems/prism/physical.nix b/lass/1systems/prism/physical.nix
index 151cfbf4..027a27b2 100644
--- a/lass/1systems/prism/physical.nix
+++ b/lass/1systems/prism/physical.nix
@@ -78,29 +78,31 @@
   boot.loader.grub.version = 2;
   boot.loader.grub.devices = [ "/dev/sda" "/dev/sdb" ];
 
-  boot.kernelParams = [ "net.ifnames=0" ];
+  # we don't pay for power there and this might solve a problem we observed at least once
+  # https://www.thomas-krenn.com/de/wiki/PCIe_Bus_Error_Status_00001100_beheben
+  boot.kernelParams = [ "pcie_aspm=off" "net.ifnames=0" ];
   networking.dhcpcd.enable = false;
+
+  # bridge config
+  networking.bridges."ext-br".interfaces = [ "eth0" ];
   networking = {
     hostId = "2283aaae";
     defaultGateway = "95.216.1.129";
-    defaultGateway6 = { address = "fe80::1"; interface = "eth0"; };
+    defaultGateway6 = { address = "fe80::1"; interface = "ext-br"; };
     # Use google's public DNS server
     nameservers = [ "8.8.8.8" ];
-    interfaces.eth0.ipv4.addresses = [
+    interfaces.ext-br.ipv4.addresses = [
       {
         address = "95.216.1.150";
         prefixLength = 26;
       }
-      {
-        address = "95.216.1.130";
-        prefixLength = 26;
-      }
     ];
-    interfaces.eth0.ipv6.addresses = [
+    interfaces.ext-br.ipv6.addresses = [
       {
         address = "2a01:4f9:2a:1e9::1";
         prefixLength = 64;
       }
     ];
   };
+
 }