Merge pull request #302740 from sushantjrao/break-glass-setup

Update howto-configure-network-fabric.md

Author: prmerger-automator[bot]

articles/operator-nexus/howto-configure-network-fabric.md

@@ -24,6 +24,7 @@ This article describes how to create a Network Fabric by using the Azure Command
 * Terminal server pre-configured with username and password [installed and configured](./howto-platform-prerequisites.md#set-up-terminal-server)
 * PE devices pre-configured with necessary VLANs, Route-Targets and IP addresses.
 * Supported SKU information is [inventoried here](./reference-operator-nexus-fabric-skus.md)
+* Ensure that all Network Fabric devices has a minimum of 3.5 GB of available disk space.
 
 ## Steps to Provision a Fabric & Racks