rt-ac66u

  1. J

    RT-AC66U crashing with NAT Acceleration and 15+ clients

    Hi, Just found this forum recently if I could please pick your brains for any suggestions I'd be grateful. With the Covid-19 lockdown, there are more devices on my WLAN than usual - probably about 15 including a few phones, laptops, TVs etc. I suspect it's specific recently introduced Android...
  2. C

    Asus RT-AC66U with Tomato firmware shuts off when I turn on BWlimiter

    I have an Asus RT-AC66U with Tomato firmware v3.4-140 AIO-64k that turns off whenever I turn on band-width limiter. I have mutiple previous routers that have worked just fine with the software, but for some reason this new router wont let me turn on band-width limiter. I have working internet...
  3. Adam Siemiginowski

    ASUS RT-AC66U as Access Point with Multiple VLANs

    Hello, I am using an ASUS RT-AC66U in Access Point Mode to hardwire a Meraki Access Point to my Meraki Security Appliance. The Access Points work fine BEFORE the RT-AC66U, but not after. The primary network works, but the guest network with VLAN tagging cannot get IPs. How would you advise I...
  4. R

    RT-AC66U USB Application - NFS Exports - USB stick/SSD as NFS share

    If it is possible I want to use a USB stick in the router as a backup target from a Linux device since the NAS I would otherwise use is not always on. The backup job will not work with a Windows share and I cannot change anything on that side. The NFS Exports option states "Export directories...
  5. N

    Asus RT-AC68 upgrade

    So I recently upgraded to the Asus RT-AC68U router. My previous router was the RT-AC66U. As part of the upgrade I moved to the latest Asuswrt-Merlin firmware release. I am a fan of the new firmware and the features available over the stock firmware. The upgrade went well minus one hiccup. I...
  6. J

    [RT-AC66U] WPA 2 Enterprise + OPENVPN + RADIUS + NO WIFI

    Hi Everybody!!! I use a RT-AC87U (VPN SERVER) and the RT-AC66U (VPN CLIENT) for the network(Works Great). On VPN SERVER side i have a NAS With an RADIUS Server. All the client from VPN CLIENT side use WPA 2 Enterprise to connect with the wifi (The Radius Server is on VPN SERVER side). All works...
  7. S

    Using a 3rd party DHCP server instead of Router built in DHCP (Tomato Firmware)

    Firmware issue using advanced Tomato on RT-AC66U Running Firmware version: 1.28.0000 MIPSR2-3.5-140 K26AC USB AIO-64K downloaded from advancedtomato com downloads Checked MD5 Hash to ensure no corruption on the download. The problem I am having is that I wish to use my Windows Server for DHCP...
  8. M

    RT-AC66U drops internet

    Hi! I have a strange problem with my ASUS RT-AC66U that I hope that someone can help me to shed some light upon. Now and then, usually will several months apart I have period of days where my internet connection is "bad" breaking all the time. Rebooting the ASUS router gives me 5-10 minutes of...
  9. S

    How I bypassed Asus and installed Tomato on my RT-AC66U

    A friend recently gave me his Asus RT-AC66U and said I was free to play around with it and experiment. After realizing that OpenWRT and DD-WRT were not viable firmware options, I looked in to Tomato. Seeing tons of successful installs on this particular router, I decided to give it a while...
  10. L

    How to install the john9527-fork on a RT-AC66 (1st gen) that has the most current official FW?

    This should be a FAQ but a lot of googling didn't return any definitive answers. But I assume they are out there somewhere so feel free to just answer with links! I have a first generation RT-AC66 upgraded to the most current official FW. Now I want to switch to the john9527-fork (to get access...
  11. M

    RT-ac66u any point upgrading?

    Hi, I'm considering a new router for improved wifi throughput and after some advice as I do not know if my current notebook will benefit or if simple location changes may yield the gains I want. Also, having read the intel specs for wifi card and knowing the AC66u I'm still not certain if my...
  12. K

    RT-AC66U OpenVPN Client - Can't change anything after first change - 380.70

    Hi, I'm having diffuclties updating the openvpn client. I try to change settings on client1, 2, ... but the values keep fixed based on the first time I uploaded a openvpn file. If I switch to other VPN clients and try to upload, It says it is ok, but nothing changes. When I try to connect...
  13. T

    rt-ac66u a1 slow wifi after wake up

    Hi guys! I wonder if anyone encountered the same problem. It looks like after some time without usage, especially after I wake up my devices (I have an android device and my wife has an iphone), the connection seems reeeeally slow. It takes some seconds to load even for light images like in...
  14. D

    Asus RT-AC66U_B1 H/W B2 Huawei K4505 & ZTE MF821 NOT working

    Hi, I've been pulling my hair on this router as it's not working with a dongle that's even natively supported and included in listed in Merlin USB modem devices! I managed to get Dual WAN working with an Android phone only so far. I have a locked Vodafone K4505 dongle/modem with a Vodafone...
  15. W

    Using VLAN vs. Guest Network on RT-AC66U?

    I’m using the latest ASUS firmware for the AC-66U (3.0.0.4.380.8228), which I don’t believe has VLAN capability. I would like to segment my IoT devices off from the main network for security since these devices usually are weak on security. What would be the downside of using a guest network...
  16. S

    Asus RT-AC66U iftop probs

    I have decided to install Asuswrt-Merlin on my RT-AC66U, to install and use iftop through Entware. And I do not know if this should work, but in my case something must go wrong, since the traffic that iftop shows in any interface that I try, br0, ppp0 or vlan10 is totally incorrect with respect...
  17. 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...
  18. 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...
  19. 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.
  20. 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...
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