Updating TOC

Author: robinharwood

azure-stack/hci/toc.yml

@@ -614,7 +614,7 @@ items:
       - name: Create a cluster with PowerShell
         href: deploy/create-cluster-powershell.md
       - name: Host networking with Network ATC
-        href: deploy/network-atc.md
+        href: deploy/network-atc.md?pivots=azure-stack-hci
     - name: Deploy SDN 
       items:
       - name: Deploy using Windows Admin Center
@@ -686,7 +686,7 @@ items:
       - name: Manage clusters with PowerShell
         href: manage/cluster-powershell.md
       - name: Manage Network ATC
-        href: manage/manage-network-atc.md
+        href: manage/manage-network-atc.md?pivots=azure-stack-hci
       - name: Update the cluster
         href: manage/update-cluster.md
       - name: Manage quick restarts