More updates

- Fixes to fabric routing docs
- Add nVME boot BIOS settings
- Add the UE NAT rule instructions
- Add the full-fabric parent prefix

Change-Id: Ic44beb7e263f7dd1359060e5ee8975625acdb34a
diff --git a/pronto_deployment_guide/hw_installation.rst b/pronto_deployment_guide/hw_installation.rst
index df60ea7..a55f64e 100644
--- a/pronto_deployment_guide/hw_installation.rst
+++ b/pronto_deployment_guide/hw_installation.rst
@@ -97,6 +97,15 @@
         * Set the description to ``fab2.<deployment>.<site>.aetherproject.net`` (or
           ``prontoproject.net``).
 
+   There also needs to be a parent range of the two fabric ranges added:
+
+     * ``10.0.1.0/24``
+
+        * This is used to configure the correct routes, DNS, and TFTP servers
+          provided by DHCP to the equipment that is connected to the fabric
+          leaf switch that the management server (which provides those
+          services) is not connected to.
+
    Additionally, these edge prefixes are used for Kubernetes but don't need to
    be created in NetBox:
 
@@ -221,14 +230,14 @@
 14. Add router IP reservations to the IP Prefix for both Fabric prefixes. These
     are IP addresses that:
 
-    - Have  the last usable address in range (in a ``/25``, this would be
-      ``.126`` or ``.254``)
+    - Have the last usable address in range (in the ``/25`` fabric examples
+      above, these would be ``10.0.1.126/25`` and ``10.0.1.254/25``)
 
     - Have a ``Status`` of ``Reserved``, and the VRF, Tenant Group, and Tenant
       set.
 
     - The Description must start with the word ``router``, such as: ``router
-      for for leaf1 Fabric``
+      for leaf1 Fabric``
 
 15. Add Cables between physical interfaces on the devices
 
@@ -360,10 +369,11 @@
 In the case of the Fabric that has two leaves and IP ranges, add the Management
 server IP address used for the leaf that it is connected to, and then add a
 route for the other IP address range for the non-Management-connected leaf that
-is via the Fabric router address in that range.
+is via the Fabric router address in the connected leaf range.
 
 This configures the `netplan <https://netplan.io>`_ on the management server,
-and will be automated away soon::
+and creates a SNAT rule for the UE range route, and will be automated away
+soon::
 
   # added manually
   netprep_netplan:
@@ -385,7 +395,11 @@
         routes:
           - to: 10.0.1.0/25
             via: 10.0.1.254
-            weight: 100
+            metric: 100
+
+  netprep_nftables_nat_postrouting: >
+    ip saddr 10.0.1.0/25 ip daddr 10.168.0.0/20 counter snat to 10.0.1.129;
+
 
 Using the ``inventory/example-aether.ini`` as a template, create an
 :doc:`ansible inventory <ansible:user_guide/intro_inventory>` file for the