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  1. 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...
  2. A

    [RT-AC66U] Strange transmission bottleneck using builtin FTP

    Hi there, I have an AC66U with latest Merlin firmware 380.69. When using the builtin FTP (FileZilla as the client, TLS support disabled) and transferring large files from the USB HDD attached to the router to my PC I spotted a strange phenomenon: that if the source file size exceeds certain...
  3. S

    AiMesh node firmware for older routers

    Would it be possible to make firmware upgrades for older routers like RT-AC66U to become AiMesh nodes. If older routers are not powerful enough to become AiMesh routers it would be a great if customers can utilize them as nodes.
  4. 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...
  5. ShaXdow5

    ASUS RT-AC66U/R HTTPS Issue FW: 380.68_4 = *RESOLVED AS OF 11/16/17*

    Hello, I'm new to this forum :D So I have the Asus RT-AC66R and when I attempt to use HTTPS as the authentication method the UI becomes completely and utterly unusable. Also the admin page will only load in google chrome (even in chrome it will kick you out sometimes and the only way I've been...
  6. Earthlark

    [RT-AC66U stock] Unable to access network share through backup programs

    I have a WD drive attached to the AC66U and shared through the USB Application - Network Place (Samba) Share / Cloud Disk. Drive is accessible through on a variety of computers (through Win (10) Explorer) and phones on network and using whatever user names I have set up on the AC66U. I am able...
  7. C

    RT-AC66U throughput and logging

    Hello. I am running a RT-AC66U with FW 380.68_4 and I'm running into a throughput issue when I have logging turned on (accepted, dropped, or both). My internet service is 80M / 10M. With any logging option turned on I'm at best seeing 43M throughput, this is because my router CPU is maxing...
  8. fivedollarmilkshake

    Help! AC66U wrong firmware uploaded (from AC68)

    Good day everyone. I mistakenly uploaded shibby arm trx to my ac66. Now router dows not respond on lan, asus restoration utility does not work (pc set 192.168.1.2/255.255.255.0), tftp just dows not start so i can't upload anything. Bought serial cable. and it shows this: Decompressing...done...
  9. D

    ASUS RT-AC66U Double NAT issue

    Hello guys, I know this issue has been talked about many times, however I did find some answer but no solution to this issue, so I would need some step by step assistance for a numb like me. I have a router/modem from my ISP that I can't control anyhow and I connected ASUS RT-AC66U wireless...
    • ddawko
    • Thread
    • asus router double nat rt-ac66u
    • Replies: 6
    • Forum: ASUS Wi-Fi
  10. M

    OpenVPN client connection works for Ethernet connections but not WiFi

    My router is the RT-AC66U, and everything seems to be working perfectly on Ethernet connections. I have 4 devices that I put static IPs on and have set to the WAN interface on OpenVPN so that it will skip past the VPN (Sony servers have many VPN IPs blocked, so I put my PS4 and a few streaming...
  11. Ian B

    RT-AC66U - During heavy download CPU maxes & WiFi fails - is this normal?

    I bought this RT-AC66U from eBay in Dec 2015 and it's been my main router and WiFi in my house. I used in for a few weeks on the standard Asus FW before installing Merlin on it. I've been generally very pleased with the router. I have set up parental controls to stop internet for certain...
  12. R

    Can I use an RT-AC66U as a wireless repeater?

    I have an RT-AC66U, Windows 8. I recently changed apartments and the guy upstairs is willing to share his Internet connection. Since our work patterns are different, this seems a great way to save costs. The signal from upstairs is too weak to penetrate our entire apartment. It seem I ought to...
  13. P

    RT-AC66U 5ghz spikes and connection problems

    I am having very inconsistent 5ghz wireless performance with my 66U Problems I am experiencing: - constant drops of connection - random slow-down of connection - refusal to connect despite good signal strength - the 2.4ghz wireless seems to work better, but today I had a problem where devices...
  14. H

    RT-AC66U - 380.65 Continuous Logout Web Interface

    Hello, When I attempt to make configuration changes to certain settings within the web gui on my router the router logs me back out of the admin interface and the changes are not made. Some settings I am able to change with no issue, such as the Device Name under LAN IP, however if I attempt to...
  15. P

    Unable to connect when WAN at 100% utilization (Solved)

    OS: Windows 10 x64 Connection: Fiber 100/100Mbit Router: ASUS RT-AC66U / firmware 380.65 NIC: Intel(R) Ethernet Connection (2) I219-V / Driver version: 12.15.23.7 Firewall: Comodo Internet Security (Software) Hi guys! Just flashed this firmware on my RT-AC66U in hopes of solving an issue I'm...
  16. amura11

    Asus RT-AC66U DDNS with nsupdate

    I recently installed asuswrt-merlin and I wanted to setup a custom update script to work with my bind DNS server using nsupdate. I followed the guide on git hub and created a script called 'ddns-start' in '/jffs/scripts/' and put my key file in '/jffs/configs'. I've made sure the script is...
  17. J

    SNMP OID iso.3.6.1.4.1.2021.100.4.0 , current date and time - issue

    My RT-AC66U is running Merlin version 380.64. From this post http://www.snbforums.com/threads/snmp-monitoring.23121/ I understand generic Linux SNMP is enabled. From the OID's listed here https://www.dd-wrt.com/wiki/index.php/SNMP#Known_OID.C2.B4s_via_SNMP there's one command that should...
    • --JayJay--
    • Thread
    • 1.3.6.1.4.1.2021.100.4.0 380.64 date iso.3.6.1.4.1.2021.100.4.0 merlin oid rt-ac66u snmp snmpget time
    • Replies: 6
    • Forum: Asuswrt-Merlin
  18. elsevero

    Asus RT-AC66U - OpenDNS integration

    How I can run the Open DNS perl script on /jffs/scripts/ path ?
    • elsevero
    • Thread
    • asus opendns rt-ac66u
    • Replies: 1
    • Forum: Routers
  19. B

    Transmission on a R-pi3 stops responding on an Asus RT-AC66U

    Hi, Whenever I try to add more than a torrent at the same time (or a very large file) to Transmission, installed on a R-pi3 that's wired to an Asus RT-AC66U, transmission just stops responding. This also happened when transmission was installed on the RT-AC66U through Optware/Entware (don't...
    • benjaminn
    • Thread
    • merlin rt-ac66u transmission
    • Replies: 6
    • Forum: Routers
  20. C

    FTP Server on 380.62 - AC66u

    Hello, I'm trying to setup a FTP server using Win10 IIS, however even though I'm using the same settings as I was using on the default ASUS firmware, I can't seem to be able to connect from outside the house to the server (it works on the local IP). So, things I've setup: DHCP Server -...
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