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  1. O

    DNSSEC suddenly stopped working on Asus RT-AC66U (running on Merlin v380.70)

    Hi, I have my Asus RT-AC66U running Merlin v380.70. The DNSSEC option (under LAN > DHCP) has been enabled for as long as I can remember but yesterday it suddenly started acting up. I could no longer resolve any DNS host names which were enabled for DNSSEC. Same results on all my DHCP clients...
  2. Marsi4eg

    AC66U crashes and reboots itself when Android phone connects to its Wifi

    I've got a new phone (HTC U12 +) and ran into a very strange problem - very often (not always, more likely after wifi module on the phone goes off and then back on) when connecting the phone to the AC66U network, on both ranges, it does not matter 5 or 2.4 GHz, router goes into reboot. Never...
  3. A

    AC66u B1 NTFS problem

    Hello. I've read a lot about ntfs vs ext in linux. I have a brand new WD MyPassport Ultra 4TB which is used with Windows PCs and laptops. So ntfs is the only choise. Now I want to use it with my AC66u B1 router (Firmware Version:3.0.0.4.384_20648). When I plug it into USB3 (or USB2) interface...
  4. P

    RT-AC66U router + Powerline and second router?

    I have an RT-AC66U as my main router downstairs. WiFi is spotty upstairs, so I've been trying to extend it using a couple of Powerline adapters I had lying around and a second cheap router I bought, but I keep running into problems. As I understand it, this is the procedure: you copy the WiFi...
  5. A

    [RT-AC66U] Issues flashing brand new router - HELP

    Hi all, TL;DR: I have a brand new RT-AC66U, that I am trying to firmware flash. It seemed to go right during the flashing, but now I can't access it at all. I've tried flashing it a number of times, with different firmwares, and I get the exact same error. Here's what I do to flash it: Reset...
  6. S

    AC66U Strange speed behavior

    After upgrading my internet service to 200/10, I've noticed some strange behavior with my AC66u (currently on 380.68_4 firmware, though problem existed with older firmware as well). Initially, I was only getting download speeds of about 140mbps max on all devices, both on wifi and wired to the...
  7. B

    RT-AC1900 - Hardware or Software issue ?

    Hi, having an issue with my router. Got the AC1900U on friday, installed Merlin's latest FW (non Beta), and set up my AC66U as a repeater. Everything worked great till Tuesday morning, had no LAN Internet and WiFi was turned off. Only way to log into it was by resetting it. Decided to try the...
  8. Earthlark

    Can't access AiCloud on AC66U

    I've been trying for the last couple days to get AiCloud working so I can access a network share, but I can't seem to get anywhere. I'm able to access the drive from within the network Samba and FTP without any problem. But upon entering the Asus DDNS or IP address just gives me a "This site...
  9. E

    AC66U B1 WPS Button to Toggle Radio

    I just bought ASUS AC66U B1 and updated the firmware to Merlin 380.68_4. I could annot find an option to set the WPS button to radio toggle under "tool"-> "system". How can I enable this option.
  10. T

    UDP Multicast (Minecraft LAN games) to wifi-devices

    Hi fellow geeks, Can you help me to let my wifi-clients "see" advertised Minecraft games on my LAN? The problem: PCs connected via ethernet to my Asus ac66u can see and connect to each others Minecraft sessions just fine. However, PCs connected via wi-fi cannot see any games advertised. The...
  11. L

    AC66U Enable Wifi on 2.4Ghz in Media Bridge Mode?

    Hi, I have a Virgin Media Superhub 3 configured as a router in my living room (where cable comes into my house) and an AC66U (latest Merlin 380.68_4 firmware) upstairs in my office configured in Media Bridge Mode to service my desktop and laptop docking station. The AC66U is connected to the...
  12. Robert WP

    ASUS RT-AC66U in repeater mode loses connection to ZyXEL C1100Z

    Previously I had the AC66U connected to a different router and it never lost connection, that I was aware of, now that I have to connect to a ZyXEL C1100Z I lose internet connection fairly often, once or more per day requiring one or more reboots of the AC66U. I have upgraded my Merlin firmware...
  13. C

    RT-AC66U B1 - Unable to set permanent iptables rules

    So I telnet to my router and enter my iptables commands: iptables -I FORWARD -o eth0 -m state --state NEW -j DROP iptables -I FORWARD -o eth0 -d x.x.x.x/24 -m state --state NEW -j ACCEPT iptables -A INPUT -s y.y.y.y -j DROP iptables -A OUTPUT -d y.y.y.y -j DROP Works fine, but those rules will...
  14. sn4k3

    Problem with internet connection after some minutes

    Hello, ASUS AC66U Firmware: 380.65_4 Internet ISP: Vodafone Fiber Automatic IP from ONT From yesterday to now my internet stop work after x minutes. And the only change i have done to router was set manual DNS to IPv6 section (No firmware update, no other change, before this always work well)...
  15. S

    ASUS AC66U connectivity problem

    My previously installed AC66U setup wizard stops and claims, "check wired connection between the computer and the router". I'm sure the wire is good because my other router works fine with the same wires. I'm installing on a Windows 10 PC. Some suggest a firmware flash. Any other suggestions?
  16. R

    802.11 AC Real World Speed Disappointment - Asus RT-AC3200

    I made an account to see if anyone has any ideas since you guys seem to be pretty knowledgeable. I expect to get about half of the reported link rates and I am not able to achieve anything above 200 Mbps using Lan Test, iperf, or wget transfers. I recently upgraded my main router hardware to...
  17. RASG

    [bug?] log level not respected after reboot

    I'm trying to set my ac66u log level to the most verbose possible. But after rebooting, it comes back to the normal level. Which level is that? I dont know, because the web interface still shows me 'debug' - 'all'. But tailing the syslog.log file i can see that its not verbose anymore. And...
  18. W

    ASUS RT-AC66U 3.0.0.4.380.4180 Firmware

    ASUS RT-AC66U Firmware version 3.0.0.4.380.4180 Security related - Updated OpenSSL library to 1.0.2j to fix security issues. - Updated Dropbear SSH to 2016.74 to fixe security issues. - Fixed a security vulnerability regarding XSS. - Fixed a security vulnerability regarding CSRF. - Added...
  19. ElShaddai Edwards

    Gut check on RT-AC66U performance + functionality

    I've had a RT-AC66U as my main router for over a year now after my N66U went belly up with a power issue. Overall it's been working great. I have a two-story rambler and the router is in the south end, downstairs. I'm using 2.4 GHz for my general wireless -- phones, kindles, etc. -- while...
  20. W

    ASUS RT-AC66U 3.0.0.4.380.4005

    Saw this notice on my AC66U config, and wondering if anybody is experiencing anything good or bad with it before taking the plunge: Firmware version 3.0.0.4.380_4005-ge00c831 - Release Note - Security Fixed - Fixed a security vulnerability regarding XSS. - Fixed a security vulnerability...
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