Reorg, updates and troubleshooting guide

- Expanded hw install
- Change fabric switch bootstrap to DHCP/HTTP based ONL install
- Start of operations and troubleshooting guide
- Various grammar/spelling fixes, dictionary expansion

Change-Id: I9b30d63a97e4443ea3871ee880646e161de8969a
diff --git a/pronto_deployment_guide/troubleshooting.rst b/pronto_deployment_guide/troubleshooting.rst
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+..
+   SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+   SPDX-License-Identifier: Apache-2.0
+
+Troubleshooting
+===============
+
+Unknown MAC addresses
+---------------------
+
+Sometimes it's hard to find out all the MAC addresses assigned to network
+cards. These can be found in a variety of ways:
+
+1. On servers, the BMC webpage will list the built-in network card MAC
+   addresses.
+
+2. If you login to a server, ``ip link`` or ``ip addr`` will show the MAC
+   address of each interface, including on add-in cards.
+
+3. If you can login to a server but don't know the BMC IP or MAC address for
+   that server, you can find it with ``sudo ipmitool lan print``.
+
+4. If you don't have a login to the server, but can get to the management
+   server, ``ip neighbor`` will show the arp table of MAC addresses known to
+   that system.  It's output is unsorted  - ``ip neigh | sort`` is easier to
+   read.
+
+Cabling issues
+--------------
+
+The system may not come up correctly if cabling isn't connected properly.
+If you don't have hands-on with the cabling, here are some ways to check on the
+cabling remotely:
+
+1. On servers you can check which ports are connected with ``ip link show``::
+
+    $ ip link show
+    ...
+    3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
+        link/ether 3c:ec:ef:4d:55:a8 brd ff:ff:ff:ff:ff:ff
+    ...
+    5: eno2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
+        link/ether 3c:ec:ef:4d:55:a9 brd ff:ff:ff:ff:ff:ff
+
+  Ports that are up will show ``state UP``
+
+2. You can determine which remote ports are connected with LLDP, assuming that
+   the remote switch supports LLDP and has it enabled. This can be done with
+   ``networkctl lldp``, which shows both the name and the MAC address of the
+   connected switch on a per-link basis::
+
+      $ networkctl lldp
+      LINK             CHASSIS ID        SYSTEM NAME      CAPS        PORT ID           PORT DESCRIPTION
+      eno1             10:4f:58:e7:d5:60 Aruba-2540-24…PP ..b........ 10                10
+      eno2             10:4f:58:e7:d5:60 Aruba-2540-24…PP ..b........ 1                 1