{"id":26892,"date":"2026-09-16T14:23:56","date_gmt":"2026-09-16T14:23:56","guid":{"rendered":"https:\/\/netguide.io\/smart-home\/home-assistant-mqtt-verkehr-mit-mosquitto-uberwachen\/"},"modified":"2026-09-16T14:23:58","modified_gmt":"2026-09-16T14:23:58","slug":"home-assistant-mqtt-verkehr-mit-mosquitto-uberwachen","status":"publish","type":"post","link":"https:\/\/netguide.io\/smart-home\/de\/home-assistant-mqtt-verkehr-mit-mosquitto-uberwachen\/","title":{"rendered":"Home Assistant: MQTT-Verkehr mit Mosquitto \u00fcberwachen"},"content":{"rendered":"<div id=\"netgu-1350827412\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>Wenn Sensoren oder Schalter \u00fcber MQTT Daten senden, m\u00f6chtest du bei Fehlern genau wissen, welche Payloads auf dem Broker eingehen. W\u00e4hrend man bei klassischen Serverinstallationen einfach den Befehl <code>mosquitto_sub -v -t '#'<\/code> im Terminal nutzt, stehen dir in <a href=\"https:\/\/netguide.io\/smart-home\/category\/home-assistant\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Home Assistant\">Home Assistant<\/a> mehrere Wege offen. Diese Anleitung zeigt dir, wie du den Datenverkehr deines Mosquitto Brokers mitliest.<\/p>\n\n<h2>Das brauchst du<\/h2>\n<ul>\n  <li>Zugriff auf dein Home-Assistant-System<\/li>\n  <li>Einen eingerichteten Mosquitto Broker<\/li>\n  <li>Je nach Methode: SSH-Zugang oder Tools wie MQTTLens bzw. MQTT Explorer<\/li>\n<\/ul>\n\n<h2>1. MQTT-Verkehr \u00fcber das Terminal mit mosquitto_sub abfangen<\/h2>\n<p>Wenn du das SSH-Add-on installiert hast, kannst du dich per SSH auf deinem Home-Assistant-System einloggen und direkt den bekannten Mosquitto-Client aufrufen.<\/p>\n<div class=\"acp acp--light acp-t-product-horizontal\"><article class=\"acp-card acp-hz is-unavailable\">\r\n\t\t\t\t\t<div class=\"acp-hz__grid\">\r\n\t\t<div class=\"acp-hz__media\">\r\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\r\n\t\t\t\t<img src=\"https:\/\/ac.api.valitype.io\/media\/proxy\/c8Bj1JVIxE88kn2y7drm7Zc-N76U6-WZ\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvNDFSU1NZVHFkVkwuX1NMNTAwXy5qcGc\" alt=\"Nabu Casa Home Assistant Green\" width=\"500\" height=\"500\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__info\">\r\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">Nabu Casa<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\">Nabu Casa Home Assistant Green<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__buy\">\r\n\t\t\t\t\t\t\t<div class=\"acp-status\">\r\n\t<p class=\"acp-status__label\"><svg class=\"acp-i acp-i--info\" viewBox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"10\" cy=\"10\" r=\"8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\/><path d=\"M10 9v5\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\"\/><circle cx=\"10\" cy=\"6.3\" r=\"1.1\" fill=\"currentColor\"\/><\/svg><span>Derzeit nicht verf\u00fcgbar<\/span><\/p>\r\n\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<div class=\"acp-foot\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/article>\r\n<\/div>\n<p>F\u00fchre auf der Konsole folgenden Befehl aus:<\/p>\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>mosquitto_sub -v -t '#'<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #B392F0\">mosquitto_sub<\/span><span style=\"color: #E1E4E8\"> <\/span><span style=\"color: #79B8FF\">-v<\/span><span style=\"color: #E1E4E8\"> <\/span><span style=\"color: #79B8FF\">-t<\/span><span style=\"color: #E1E4E8\"> <\/span><span style=\"color: #9ECBFF\">&#39;#&#39;<\/span><\/span><\/code><\/pre><\/div>\n\n<h2>2. Visuelle \u00dcberwachung mit dem MQTT Explorer oder MQTTLens<\/h2>\n<p>Um Topics und Nachrichten \u00fcbersichtlich im Blick zu behalten, kannst du erg\u00e4nzende Werkzeuge einsetzen. Hierf\u00fcr bieten sich beispielsweise die Browser-Erweiterung MQTTLens oder der MQTT Explorer an, um den Nachrichtenverkehr live zu verfolgen.<\/p>\n\n<h2>3. MQTT-Meldungen in den Home-Assistant-Logs anzeigen<\/h2>\n<p>Alternativ l\u00e4sst sich der MQTT-Verkehr auch direkt im Systemlog von <a href=\"https:\/\/netguide.io\/smart-home\/category\/home-assistant\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Home Assistant\">Home Assistant<\/a> protokollieren, ohne dass du ein Konsolenfenster ge\u00f6ffnet halten musst.<\/p>\n<p>F\u00fcge dazu deiner Logger-Konfiguration (beispielsweise in der <code>configuration.yaml<\/code> oder einer separaten <code>logger.yaml<\/code>) die MQTT-Komponente mit der gew\u00fcnschten Protokollierungsstufe hinzu:<\/p>\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>logger:\n  logs:\n    homeassistant.components.mqtt: debug<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #85E89D\">logger<\/span><span style=\"color: #E1E4E8\">:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">  <\/span><span style=\"color: #85E89D\">logs<\/span><span style=\"color: #E1E4E8\">:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    <\/span><span style=\"color: #85E89D\">homeassistant.components.mqtt<\/span><span style=\"color: #E1E4E8\">: <\/span><span style=\"color: #9ECBFF\">debug<\/span><\/span><\/code><\/pre><\/div>\n<p>Nach dem Neuladen der Konfiguration findest du die einlaufenden Meldungen im Frontend unter Entwicklerwerkzeuge im Bereich der Protokolle.<\/p>\n\n<h2>Funktioniert es?<\/h2>\n<p>Sobald ein Ger\u00e4t Daten publiziert, siehst du im Terminalfenster oder in den Tools die entsprechenden Topics und Payloads. Du kannst den Datenfluss testen, indem du ein Thema abonnierst und eine manuelle Testnachricht an dasselbe Topic abschickst.<\/p>\n\n<h2>Wenn es nicht klappt<\/h2>\n<ul>\n  <li><strong>Keine eingehenden Nachrichten:<\/strong> \u00dcberpr\u00fcfe, ob das sendende Ger\u00e4t tats\u00e4chlich mit der IP-Adresse des Brokers verbunden ist und der Mosquitto Broker aktiv l\u00e4uft.<\/li>\n<\/ul>\n\n<p>Mit der \u00dcberwachung erkennst du \u00dcbertragungsfehler rasch und kannst unerkannte MQTT-Payloads bei Bedarf weiterverarbeiten.<\/p>\n<p><em>Quellen: <a href=\"https:\/\/community.home-assistant.io\/t\/how-to-monitor-all-mosquitto-mqtt-traffic-in-hass-io\/35680\" rel=\"nofollow noopener\" target=\"_blank\">Forum: Home Assistant Community<\/a>, <a href=\"https:\/\/smarterkram.de\/7680\/mqtt-erklaert-in-home-assistant\/\" rel=\"nofollow noopener\" target=\"_blank\">smarterkram.de<\/a>, <a href=\"https:\/\/alkly.de\/mqtt-mit-home-assistant-fuer-anfaenger\/\" rel=\"nofollow noopener\" target=\"_blank\">alkly.de<\/a><\/em><\/p><div id=\"netgu-1457832427\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>So \u00fcberwachst du alle MQTT-Nachrichten in Home Assistant mit mosquitto_sub, Logging oder visuellen Tools wie dem MQTT Explorer.<\/p>\n","protected":false},"author":1,"featured_media":26891,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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Explorer.","brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts\/26892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/comments?post=26892"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts\/26892\/revisions"}],"predecessor-version":[{"id":26893,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts\/26892\/revisions\/26893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/media\/26891"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/media?parent=26892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/categories?post=26892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/tags?post=26892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}