Add index page for troubleshooting

content/rancher/v2.x/en/troubleshooting/_index.md

@@ -3,5 +3,31 @@ title: Troubleshooting
 weight: 8100
 ---
 
-Troubleshooting
+This section contains information to help you troubleshoot issues when using Rancher.
 
+- [Kubernetes components]({{< baseurl >}}/rancher/v2.x/en/troubleshooting/kubernetes-components/)
+
+    If you need help troubleshooting core Kubernetes cluster components like:
+    * `etcd`
+    * `kube-apiserver`
+    * `kube-controller-manager`
+    * `kube-scheduler`
+    * `kubelet`
+    * `kube-proxy`
+    * `nginx-proxy`
+
+- [Kubernetes resources]({{< baseurl >}}/rancher/v2.x/en/troubleshooting/kubernetes-resources/)
+
+    Options for troubleshooting Kubernetes resources like Nodes, Ingress Controller and Rancher Agents are described in this section.
+
+- [Networking]({{< baseurl >}}/rancher/v2.x/en/troubleshooting/networking/)
+
+    Steps to troubleshoot networking issues can be found here.
+
+- [Rancher HA]({{< baseurl >}}/rancher/v2.x/en/troubleshooting/rancherha/)
+
+    If you experience issues issues with your [High Availability (HA) Install]({{< baseurl >}}/rancher/v2.x/en/installation/ha/)
+
+- [Imported clusters]({{< baseurl >}}/rancher/v2.x/en/troubleshooting/imported-clusters/)
+
+    If you experience issues when [Importing Kubernetes Clusters]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/imported-clusters/)