Merge pull request #509 from weinong/trouble-shooting

Create trouble_shooting.md
Azure · Jul 6, 2018 · 35070ca · 35070ca
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+# AKS Troubleshooting guide
+
+## Problems
+
+### Exposed service is not reachable from Internet
+
+When the exposed service is not reachable, the first thing to verify is whether the NSG rules are modified from the stock configurations maintained by Kubernetes.
+
+If the NSG rules are OK, you can check if your service is reachable using the service cluster IP from another pod. 
+If that's not reachable, it's likely that iptables is out of sync. 
+Try to delete the kube-proxy pod under `kube-system` namespace.
+