{"id":4699,"date":"2015-03-05T07:58:59","date_gmt":"2015-03-05T12:58:59","guid":{"rendered":"https:\/\/www.blackgate.net\/blog\/?p=4699"},"modified":"2015-03-05T07:58:59","modified_gmt":"2015-03-05T12:58:59","slug":"asus-rt-ac87r-router-port-forwarding-stops-working","status":"publish","type":"post","link":"https:\/\/www.blackgate.net\/blog\/asus-rt-ac87r-router-port-forwarding-stops-working\/","title":{"rendered":"Asus RT-AC87R router port forwarding stops working"},"content":{"rendered":"<p>I was having a problem with my home network. I have a static IP address from my ISP, and I have that IP address mapped to a domain name through DynDNS. Yet, periodically, I would discover that the network was no longer accessible.<\/p>\n<p>Initially, I thought it was due to a recent server upgrade, and that I had my firewall settings or selinux settings wrong. But those were correct. I looked at the port forwarding settings in the router (Advanced Settings >> WAN >> Virtual Server \/ Port Forwarding), and those seemed correct, too. On a lark, I clicked the &#8220;Apply&#8221; button on the port forward settings page in the router&#8217;s administration screen, and suddenly the network was externally accessible again.<\/p>\n<p>A few hours later, it happened again. This time, I logged into the router&#8217;s port forwarding screen and clicked &#8220;Apply&#8221;. It worked. Then again, this morning, it happened again.<\/p>\n<p>A great deal of searching later, I have discovered that there is a bug in the Asus RT-AC87R router port forwarding &#8212; it simply stops working from time to time. Why, I do not know. I have the most recent firmware, so there is no fix to be found there. The only way to prevent this from happening appears to be by disabling the &#8220;NAT Acceleration&#8221; (which is called &#8220;Hardware Acceleration&#8221; in some routers): <strong>go to Advanced Settings >> LAN >> Switch Control >> NAT Acceleration, and set it to &#8220;Disable&#8221;<\/strong>.<\/p>\n<p>This also applies to the Asus RT-AC87U router (which is the same router in slightly different packaging).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was having a problem with my home network. I have a static IP address from my ISP, and I have that IP address mapped to a domain name through DynDNS. Yet, periodically, I would discover that the network was no longer accessible. Initially, I thought it was due to a recent server upgrade, and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-4699","post","type-post","status-publish","format-standard","hentry","category-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Asus RT-AC87R router port forwarding stops working - Blackmoor Vituperative<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blackgate.net\/blog\/asus-rt-ac87r-router-port-forwarding-stops-working\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Asus RT-AC87R router port forwarding stops working - Blackmoor Vituperative\" \/>\n<meta property=\"og:description\" content=\"I was having a problem with my home network. 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