rea><div style=width:100%><h1 id=title>Diagnostic Tools</h1></div></div><p>Tools and techniques to help troubleshoot an Istio mesh.</p><div class=section-index><div class=entry title="5 minute read"><h5><a href=/v1.12/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=/v1.12/docs/ops/diagnostic-tools/proxy-cm