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+I've always had a bunch of hardware at home to play with and test new software and products on, but that has over the years developed into a tier-1 production system (according to my family) and the ability to tear it down and/or reconfigure it has diminished.
+So to keep the peace at home I decided to build a new and dedicated setup for my home lab.
+I had some goals for the build:
+ - **Completely isolated**, I wanted to be able to test PXE, DHCP and other network technologies that potentially would collide with my home network.
+ - **Portable**. Due to lack of space, I needed to be able to easily remove the home lab and stow it away in the storage room when it's not in use.
+ - I wanted both **x86_64 and aarch64** architecture.
+ - Lastly, I wanted it to be **affordable** to build.
+
+The result, a complete lab environment contained in a hard case
+![tlu_closed](https://user-images.githubusercontent.com/254416/140306727-97f4bc65-eca4-48f9-b455-ff1a94e2e90c.png)
+![tlu_open](https://user-images.githubusercontent.com/254416/140306795-052af1ba-8b0b-414a-93e0-73963cb7d6ee.png)
+
+Everything is contained in a hard case with a stripped monitor in the case lid. 
+All I need is to hook up the case to the power main and it's good to go. The case is divided with a plywood board and some components are mounted/hidden beneath, such as 8-port Network switch, USB-charger to power the Raspberry Pi's and all the power supplies. On top of the board you can see the following components:
+
+![tlu_callouts](https://user-images.githubusercontent.com/254416/140307075-38a2d31d-5250-4bc3-9cbf-0130b7f3c21b.png)
+1. C14 power connector
+2. Admin server: ASUS PN50 (8-core, 16GB RAM, 512GB NVMe, 1TB SSD)
+3. USB GbE to be used to attache to external networks
+4. HDMI connector for the monitor in the lid
+5. Power connector for the monitor
+6. Ethernet connector to the switch under the plywood
+7. 4-port KVM
+8. Small box to store USB thumb drives, HDMI->HDMI-mini dongle, etc.
+9. Switch to power on/off the USB charger beneath the plywood
+10. 3 RPi4 8GB
+11. 3 ASUS PN50 (8-core, 16GB RAM, 512GB NVMe)
+
+## Admin server
+The Admin server is running openSUSE Leap 15.3 and is hosting all network services (dhcp, ntp, dns, etc) for the internal networks.
+It also runst hostapd and uses the Asus PN50 wireless as access point to the internal network so I can connect with wifi from my laptop or I can connect the external NIC to a network and get a DHCP address and connect with ssh.
+Everything is configured with a script and salt, so reinstalling the Admin server is done in a ease
+
+## Three Asus PN50 (#11)
+They will be running Harvester as default, the default harvester cluster is installed using PXE on the Admin server and the configuration is done in the Admin server setup script.
+This makes it makes it easy to tear down and rebuild when I need to do other tests/labs that needs physical hardware.
+
+## Three RPi4 (#10)
+They will be running a three node k3s (etcd) cluster as default.
+
+## Network diagram
+```
+                     external eth1 (dhcp)
+                       │
+                       │
+                       │
+                 ┌─────┴──────┐
+                 │            │
+                 │            │
+                 │   Admin    ├───────── wifi AP wlan0
+                 │            │            Internal
+                 │            │
+                 └┬──┬───┬──┬─┘
+                  │  │   │  │               eth0.250
+                  │  │   │  └───────────────arigap
+             ┌────┘  │   │              (172.18.250.1/24)
+             │       │   │
+eth0 (172.18.0.1/24) │   │
+       Internal      │   └───────┐
+                     │           │
+                 eth0.100        │
+                 Public-1        │
+             (172.18.100.1/24)   │
+                                 │
+                             eth0.200
+                             Public-2
+                         (172.18.200.1/24)
+```