Update fw landing page

Author: vhorne

articles/firewall/index.yml

@@ -43,14 +43,7 @@ landingContent:
         links:
           - text: What's new
             url: https://azure.microsoft.com/updates/?category=networking&query=Firewall
-      - linkListType: deploy
-        links: 
-          - text: Provision and configure Azure Firewall and Application Gateway
-            url: https://mslabs.cloudguides.com/en-us/guides/Azure%20Networking%20Solutions%20-%20Exercise%204
-          - text: Secure your network infrastructure with Azure Firewall and Azure DDoS Protection
-            url: https://mslearn.cloudguides.com/guides/Secure%20your%20network%20infrastructure%20with%20Azure%20Firewall%20and%20Azure%20DDoS%20Protection
-          - text: Enhance network visibility and threat detection through Azure network security integrations with Microsoft Sentinel
-            url: https://mslearn.cloudguides.com/guides/Enhance%20network%20visibility%20and%20threat%20detection%20through%20Azure%20network%20security%20integrations%20with%20Microsoft%20Sentinel
+
 
   # Card
   - title: Learn about Azure Firewall Premium
@@ -84,6 +77,22 @@ landingContent:
         links:
           - text: Deploy Firewall Basic
             url: deploy-firewall-basic-portal-policy.md
+      - linkListType: deploy
+        links: 
+          - text: Provision and configure Azure Firewall and Application Gateway
+            url: https://mslabs.cloudguides.com/en-us/guides/Azure%20Networking%20Solutions%20-%20Exercise%204
+          - text: Secure your network infrastructure with Azure Firewall and Azure DDoS Protection
+            url: https://mslearn.cloudguides.com/guides/Secure%20your%20network%20infrastructure%20with%20Azure%20Firewall%20and%20Azure%20DDoS%20Protection
+          - text: Enhance network visibility and threat detection through Azure network security integrations with Microsoft Sentinel
+            url: https://mslearn.cloudguides.com/guides/Enhance%20network%20visibility%20and%20threat%20detection%20through%20Azure%20network%20security%20integrations%20with%20Microsoft%20Sentinel
+
+  # Card
+  - title: Troubleshoot Azure Firewall
+    linkLists:
+      - linkListType: reference
+        links:
+          - text: Azure Firewall known issues and limitations
+            url: firewall-known-issues.md
 
   # Card
   - title: Learn about Azure Firewall integration in Copilot for Security