diff --git a/flake.nix b/flake.nix
index de5c4c3..9b71f73 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,7 +39,7 @@
           ] ++ extraModules;
         };
 
-      makeGenericK3sConfig = { hostname, enableK3s ? true, selfIp, serverIp ? null, extraModules ? [ ] }:
+      makeGenericK3sConfig = { hostname, macAddress ? null, enableK3s ? true, selfIp, serverIp ? null, extraModules ? [ ] }:
         with image-builder.packages.aarch64-linux.modules;
         makeConfig {
           inherit hostname;
@@ -58,12 +58,15 @@
                 services.lvm.enable = true;
 
                 networking = {
-                  interfaces.end0.ipv4.addresses = [
-                    {
-                      address = selfIp;
-                      prefixLength = 24;
-                    }
-                  ];
+                  interfaces.end0 = {
+                    inherit macAddress;
+                    ipv4.addresses = [
+                      {
+                        address = selfIp;
+                        prefixLength = 24;
+                      }
+                    ];
+                  };
                   defaultGateway = "192.168.20.1";
                   nameservers = [ "192.168.20.21" "192.168.20.1" ];
                 };
@@ -75,9 +78,9 @@
           ] ++ extraModules;
         };
 
-      makeBoardK3sConfig = module: { hostname, enableK3s ? true, selfIp, serverIp }:
+      makeBoardK3sConfig = module: { hostname, macAddress ? null, enableK3s ? true, selfIp, serverIp }:
         makeGenericK3sConfig {
-          inherit hostname enableK3s selfIp serverIp;
+          inherit hostname macAddress enableK3s selfIp serverIp;
 
           extraModules = [ module ];
         };
@@ -420,6 +423,35 @@
           hostname = "k3s-rock1";
           selfIp = "192.168.20.20";
           serverIp = "192.168.20.120";
+          macAddress = "02:36:51:19:8c:5d";
+        };
+
+        k3s-rock2 = makeRock64K3sConfig {
+          hostname = "k3s-rock2";
+          selfIp = "192.168.20.111";
+          serverIp = "192.168.20.120";
+          macAddress = "02:af:fa:0e:c5:41";
+        };
+
+        k3s-rock3 = makeRock64K3sConfig {
+          hostname = "k3s-rock3";
+          selfIp = "192.168.20.112";
+          serverIp = "192.168.20.120";
+          macAddress = "02:86:c1:62:77:51";
+        };
+
+        k3s-rock4 = makeRock64K3sConfig {
+          hostname = "k3s-rock4";
+          selfIp = "192.168.20.113";
+          serverIp = "192.168.20.120";
+          macAddress = "02:7a:2e:2c:bb:99";
+        };
+
+        k3s-rock5 = makeRock64K3sConfig {
+          hostname = "k3s-rock5";
+          selfIp = "192.168.20.114";
+          serverIp = "192.168.20.120";
+          macAddress = "02:76:67:0f:a0:b7";
         };
 
         k3s-quartza1 = makeQuartz64AK3sConfig {
@@ -475,6 +507,26 @@
         configuration = self.nixosConfigurations.k3s-rock1;
       };
 
+      deploy.nodes.k3s-rock2 = deployer {
+        hostname = "192.168.20.111";
+        configuration = self.nixosConfigurations.k3s-rock2;
+      };
+
+      deploy.nodes.k3s-rock3 = deployer {
+        hostname = "192.168.20.112";
+        configuration = self.nixosConfigurations.k3s-rock3;
+      };
+
+      deploy.nodes.k3s-rock4 = deployer {
+        hostname = "192.168.20.113";
+        configuration = self.nixosConfigurations.k3s-rock4;
+      };
+
+      deploy.nodes.k3s-rock5 = deployer {
+        hostname = "192.168.20.114";
+        configuration = self.nixosConfigurations.k3s-rock5;
+      };
+
       deploy.nodes.k3s-quartza1 = deployer {
         hostname = "192.168.20.160";
         configuration = self.nixosConfigurations.k3s-quartza1;