--- title: Update about the October 4th outage | daily.dev description: "We are sorry for the inconvenience caused by today’s outage across our platforms," the company says. " configuration changes on the backbone routers that... canonical: https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Update about the October 4th outage | daily.dev og:description: "We are sorry for the inconvenience caused by today’s outage across our platforms," the company says. " configuration changes on the backbone routers that... og:url: https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l og:image: https://api.daily.dev/og/posts/ZH0Jtgs9l.png og:image:alt: Update about the October 4th outage og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Update about the October 4th outage **[Facebook Engineering ](https://daily.dev/sources/facebook_code)** · 1 min read · 42 upvotes · 6 comments ## Summary "We are sorry for the inconvenience caused by today’s outage across our platforms," the company says. " configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues," it adds. "We want to make clear that there was no malicious activity behind this outage — its root cause was a faulty configuration change on our end" ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@adem** · 2 upvotes > The reason, according to them: "Configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues that interrupted this communication. This disruption to network traffic had a cascading effect on the way our data centers communicate" **@gracefidele** · 1 upvotes > Apology accepted : ) **@emethium** · 1 upvotes > They could have given a little more detail than that **@redguy13** · 0 upvotes > LOL! --- [View this post on daily.dev](https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Update about the October 4th outage","url":"https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l"},"datePublished":"2021-10-05T02:11:44.108Z","dateModified":"2021-10-07T14:17:10.317Z","description":"\"We are sorry for the inconvenience caused by today’s outage across our platforms,\" the company says. \" configuration changes on the backbone routers that...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c6cba12e27e26a53e067427a76838a14","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c6cba12e27e26a53e067427a76838a14","isAccessibleForFree":true,"articleSection":"Facebook Engineering\n","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Facebook Engineering\n","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/facebook","url":"https://daily.dev/sources/facebook_code"},"commentCount":6,"discussionUrl":"https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":42},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":6}],"keywords":"","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Facebook Engineering\n","item":"https://daily.dev/sources/facebook_code"},{"@type":"ListItem","position":3,"name":"Update about the October 4th outage"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/update-about-the-october-4th-outage-zh0jtgs9l","comment":[{"@type":"Comment","text":"The reason, according to them: “Configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues that interrupted this communication. This disruption to network traffic had a cascading effect on the way our data centers communicate”","datePublished":"2021-10-05T09:20:55.030Z","url":"https://daily.dev/posts/ZH0Jtgs9l#c-3APB3eFbe","author":{"@type":"Person","name":"Adem","url":"https://daily.dev/adem","image":"https://avatars1.githubusercontent.com/u/6990176?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"Apology accepted : )","datePublished":"2021-10-05T09:33:00.658Z","url":"https://daily.dev/posts/ZH0Jtgs9l#c-BO_cCwVpr","author":{"@type":"Person","name":"DUSHIME Grace Fidele","url":"https://daily.dev/gracefidele","image":"https://lh4.googleusercontent.com/-mB43665lx9M/AAAAAAAAAAI/AAAAAAAAAMs/AMZuucmiYBN8_XkF5F_VRgFNVlnGa_MctQ/s100/photo.jpg"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"They could have given a little more detail than that","datePublished":"2021-10-05T10:42:26.320Z","url":"https://daily.dev/posts/ZH0Jtgs9l#c-VjvQepBxe","author":{"@type":"Person","name":"Nikolas Vago Serafini","url":"https://daily.dev/emethium","image":"https://lh3.googleusercontent.com/a-/AOh14GgS3eJL5qIVbecYPvb0IVY8XvaVWAU0lozaUgX3Vg=s100"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"LOL!","datePublished":"2021-10-05T13:56:45.480Z","url":"https://daily.dev/posts/ZH0Jtgs9l#c-QmGAhi_Jv","author":{"@type":"Person","name":"Paul Reid","url":"https://daily.dev/redguy13","image":"https://avatars.githubusercontent.com/u/61329810?v=4"}}]} ```