diff --git a/nix/nixos-configurations/dev-server/default.nix b/nix/nixos-configurations/dev-server/default.nix
index cc02d11e..3e5ae9dd 100644
--- a/nix/nixos-configurations/dev-server/default.nix
+++ b/nix/nixos-configurations/dev-server/default.nix
@@ -4,6 +4,7 @@
   modules =
     {
       pkgs,
+      lib,
       ...
     }:
     {
@@ -44,13 +45,406 @@
           firewall.enable = true;
         };
 
+        # ensure non-mgmt interfaces disable accept RA for ipv6
+        # opting for sysctl and IPv6AcceptRA=false for systemd.networkd
+        boot.kernel.sysctl = {
+          "net.ipv6.conf.bridge100.autoconf" = false;
+          "net.ipv6.conf.bridge101.autoconf" = false;
+          "net.ipv6.conf.bridge102.autoconf" = false;
+          "net.ipv6.conf.bridge104.autoconf" = false;
+          "net.ipv6.conf.bridge105.autoconf" = false;
+          "net.ipv6.conf.bridge107.autoconf" = false;
+          "net.ipv6.conf.bridge110.autoconf" = false;
+          "net.ipv6.conf.bridge112.autoconf" = false;
+          "net.ipv6.conf.bridge499.autoconf" = false;
+          # completely disable IPv6 temporary addresses
+          "net.ipv6.conf.default.use_tempaddr" = lib.mkForce 0;
+        };
+
         systemd.network = {
+          # The notion of "online" is a broken concept
+          # https://github.com/systemd/systemd/blob/e1b45a756f71deac8c1aa9a008bd0dab47f64777/NEWS#L13
+          # https://github.com/NixOS/nixpkgs/issues/247608
+          wait-online.enable = false;
           enable = true;
+          netdevs = {
+            "10-bond0" = {
+              netdevConfig = {
+                Kind = "bond";
+                Name = "bond0";
+              };
+              bondConfig = {
+                Mode = "802.3ad";
+                LACPTransmitRate = "fast";
+                TransmitHashPolicy = "layer3+4";
+              };
+            };
+            # servers -- Owen's 192.159.10.0/25 server VLAN
+            "20-vlan10" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan10";
+              };
+              vlanConfig.Id = 10;
+            };
+            # exSCALE-SLOW
+            "20-vlan100" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan100";
+              };
+              vlanConfig.Id = 100;
+            };
+            # exSCALE-FAST
+            "20-vlan101" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan101";
+              };
+              vlanConfig.Id = 101;
+            };
+            # exSpeaker
+            "20-vlan102" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan102";
+              };
+              vlanConfig.Id = 102;
+            };
+            # exInfra
+            "20-vlan103" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan103";
+              };
+              vlanConfig.Id = 103;
+            };
+            # exMDF
+            "20-vlan104" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan104";
+              };
+              vlanConfig.Id = 104;
+            };
+            # exAVLAN
+            "20-vlan105" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan105";
+              };
+              vlanConfig.Id = 105;
+            };
+            # exSigns
+            "20-vlan107" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan107";
+              };
+              vlanConfig.Id = 107;
+            };
+            # exRegistration
+            "20-vlan110" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan110";
+              };
+              vlanConfig.Id = 110;
+            };
+            # exVmVendor (Special VLAN for S.O.D.A. machine)
+            "20-vlan112" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan112";
+              };
+              vlanConfig.Id = 112;
+            };
+            # Vendor Backbone (OSPF Backbone for Expo Switches carrying Vendor VLANs)
+            "20-vlan499" = {
+              netdevConfig = {
+                Kind = "vlan";
+                Name = "vlan499";
+              };
+              vlanConfig.Id = 499;
+            };
+            "25-bridge10" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge10";
+              };
+            };
+            "25-bridge100" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge100";
+              };
+            };
+            "25-bridge101" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge101";
+              };
+            };
+            "25-bridge102" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge102";
+              };
+            };
+            "25-bridge103" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge103";
+              };
+            };
+            "25-bridge104" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge104";
+              };
+            };
+            "25-bridge105" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge105";
+              };
+            };
+            "25-bridge107" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge107";
+              };
+            };
+            "25-bridge110" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge110";
+              };
+            };
+            "25-bridge112" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge112";
+              };
+            };
+            "25-bridge499" = {
+              netdevConfig = {
+                Kind = "bridge";
+                Name = "bridge499";
+              };
+            };
+          };
           networks = {
-            "10-lan" = {
+            "20-eno1" = {
               matchConfig.Name = "eno1";
+              networkConfig = {
+                Bond = "bond0";
+                LLDP = true;
+                EmitLLDP = true;
+              };
+            };
+            "20-eno2" = {
+              matchConfig.Name = "eno2";
+              networkConfig = {
+                Bond = "bond0";
+                LLDP = true;
+                EmitLLDP = true;
+              };
+            };
+            "20-eno3" = {
+              matchConfig.Name = "eno3";
+              networkConfig = {
+                Bond = "bond0";
+                LLDP = true;
+                EmitLLDP = true;
+              };
+            };
+            "20-eno4" = {
+              matchConfig.Name = "eno4";
+              networkConfig = {
+                Bond = "bond0";
+                LLDP = true;
+                EmitLLDP = true;
+              };
+            };
+            "30-bond0" = {
+              matchConfig.Name = "bond0";
+              linkConfig = {
+                RequiredForOnline = "carrier";
+              };
+              networkConfig = {
+                LinkLocalAddressing = "no";
+              };
+              # tag vlan on this link
+              vlan = [
+                "vlan10" # DC management vlan
+                "vlan100"
+                "vlan101"
+                "vlan102"
+                "vlan103"
+                "vlan104"
+                "vlan105"
+                "vlan107"
+                "vlan110"
+                "vlan112"
+                "vlan499"
+              ];
+            };
+            "40-vlan10" = {
+              matchConfig.Name = "vlan10";
+              networkConfig = {
+                Bridge = "bridge10";
+              };
+            };
+            "40-vlan100" = {
+              matchConfig.Name = "vlan100";
+              networkConfig = {
+                Bridge = "bridge100";
+              };
+            };
+            "40-vlan101" = {
+              matchConfig.Name = "vlan101";
+              networkConfig = {
+                Bridge = "bridge101";
+              };
+            };
+            "40-vlan102" = {
+              matchConfig.Name = "vlan102";
+              networkConfig = {
+                Bridge = "bridge102";
+              };
+            };
+            "40-vlan103" = {
+              matchConfig.Name = "vlan103";
+              networkConfig = {
+                Bridge = "bridge103";
+              };
+            };
+            "40-vlan104" = {
+              matchConfig.Name = "vlan104";
+              networkConfig = {
+                Bridge = "bridge104";
+              };
+            };
+            "40-vlan105" = {
+              matchConfig.Name = "vlan105";
+              networkConfig = {
+                Bridge = "bridge105";
+              };
+            };
+            "40-vlan107" = {
+              matchConfig.Name = "vlan107";
+              networkConfig = {
+                Bridge = "bridge107";
+              };
+            };
+            "40-vlan110" = {
+              matchConfig.Name = "vlan110";
+              networkConfig = {
+                Bridge = "bridge110";
+              };
+            };
+            "40-vlan112" = {
+              matchConfig.Name = "vlan112";
+              networkConfig = {
+                Bridge = "bridge112";
+              };
+            };
+            "40-vlan499" = {
+              matchConfig.Name = "vlan499";
+              networkConfig = {
+                Bridge = "bridge499";
+              };
+            };
+            "50-bridge10" = {
+              matchConfig.Name = "bridge10";
+              enable = true;
+              networkConfig = {
+                DHCP = "yes";
+              };
+            };
+            "50-bridge100" = {
+              matchConfig.Name = "bridge100";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge101" = {
+              matchConfig.Name = "bridge101";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge102" = {
+              matchConfig.Name = "bridge102";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge103" = {
+              matchConfig.Name = "bridge103";
+              enable = true;
+              address = [
+                "10.0.3.20/24"
+                "2001:470:f026:103::20/64"
+              ];
+              routes = [
+                {
+                  routeConfig.Destination = "10.0.0.0/8";
+                  routeConfig.Gateway = "10.0.3.1";
+                  routeConfig.GatewayOnLink = true;
+                }
+                {
+                  routeConfig.Destination = "2001:470:f026::/48";
+                  routeConfig.Gateway = "2001:470:f026:103::1";
+                  routeConfig.GatewayOnLink = true;
+                }
+              ];
+            };
+            "50-bridge104" = {
+              matchConfig.Name = "bridge104";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge105" = {
+              matchConfig.Name = "bridge105";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge107" = {
+              matchConfig.Name = "bridge107";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge110" = {
+              matchConfig.Name = "bridge110";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge112" = {
+              matchConfig.Name = "bridge112";
+              enable = true;
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
+            };
+            "50-bridge499" = {
+              matchConfig.Name = "bridge499";
               enable = true;
-              networkConfig.DHCP = "yes";
+              networkConfig = {
+                IPv6AcceptRA = false;
+              };
             };
           };
         };