ss=section-index><div class=entry title="5 minute read"><h5><a href=/v1.9/docs/ops/diagnostic-tools/istioctl/>Using the Istioctl Command-line Tool</a></h5><p>Istio includes a supplemental tool that provides debugging and diagnosis for Istio service mesh deployments.</p></div><div class=entry title="9 minute read"><h5><a href=/v1.9/docs/ops/diagnostic-tools/proxy-cmd/>Debugging Envoy and Istiod</a></h5><p>Describes tools and techniques to diagnose Envoy configuration issues related to traffic management.</p>