Nat acceleration asus ASUS RT-AC68P routing unidirectional throughput – NAT Acceleration disabled And the bidirectional plot. As an update, rebooting my modem fixed it before bed, but I wake up with everything (both wired and wireless) maxxed out at 100 Mbps. Enable NAT acceleration can make the translation faster. The maximum download speed I get in my devices (Windows desktop, iPad, Android phone & a Macbook) connected to the router (both wired/wireless) never crosses 200 Mbits/sec. Dec 31, 2018 · With Nat Acceleration off all devices will connect but won’t reach speeds greater than 180 down, looking around on this form it seems to be a known problem. Sep 26, 2023 · NAT is network address translation, and it provides a method to translate internet IPv4 addresses into other network IPv4 addresses. The option seems to be Jan 25, 2024 · Hi, I've come across an issue with port forwarding not working when IPTraffic is disabled. Dec 18, 2014 · This means Asuswrt-Merlin retains full support for NAT acceleration (sometimes referred to as "hardware acceleration"), enhanced NTFS performance (through the proprietary drivers used by Asus from either Paragon or Tuxera), and the Asus exclusive features such as AiCloud or the Trend Micro-powered AiProtection. Feb 21, 2020 · My rough idea is: traffic monitoring disables hardware acceleration, with hardware acceleration, maybe it"optimizes" packets so that it only looks in the first packet and then just appending the same vlan tag for all future packets. 0. NAT is network address translation, and it provides a method to translate internet IPv4 addresses into other network IPv4 addresses. I also understand that Asus "AdaptiveQos uses Hardware Oct 24, 2020 · After talking to Asus tech support. " The switch itself is located in LAN - Switch Control - NAT acceleration. Actually, most of routers cannot activate hardware acceleration when using openwrt firmware. So for lowest latency should i enable or disable it right now i have it on auto and it says CTF (Cut Through Forwarding) is enabled. Is there some sort of Apr 28, 2018 · I have an RT-AC68U (technically a TM-AC1900 that I flashed to Merlin) and just upgraded my internet to a gigabit connection. Aug 14, 2025 · Hi, I am using 4G-AC53U, for the Parental Control function page, Asus mentioned "Please disable NAT Acceleration for more precise scheduling control". The problem is that I cannot enable NAT Acceleration. Turning QoS on seems to disable NAT acceleration (except maybe for the Adaptive QoS setting?). Oct 13, 2015 · At the moment using 3. Feb 3, 2025 · 2. Mar 25, 2016 · Hey all wanted to get some feedback from everyone. Are there any Mar 8, 2018 · In reading various posts in forums online, I understand this is likely due to hardware acceleration (CTF and FA) being disabled or not optimized in my Asus router. This method can support connections up to ~600 Mbps if you turn CTF (NAT Acceleration On) The TM-AC1900 is basically a rebranded Asus RT-AC68U. Apr 30, 2025 · [Wireless Router] How to set up OpenNAT? Introduction of OpenNAT Most proxy servers, firewalls, or SAMBA services will limit the access to connecting ports. Looks like I need to enable NAT accelerator. Aug 31, 2020 · Hello all I have an Asus AX88u with merlin FW 384. net and other bandwidth test sites, however Core1 of the CPU would peg at 100% confirmed with both WebUI and htop, Core2 is idle. ☺️☝️ I've got the RT-AX86U Pro and with CakeQos setup and working very nicely indeed 👌. EDIT2: Why is it that port forwarding for TCP works, but Feb 3, 2025 · 2. Hey all, I'm going to jump right into this question: NAT Acceleration On: Full internet speed NAT Acceleration Off: A fraction of internet speed However, with it ON, it seems port forwarding doesn't work. Aug 29, 2005 · I heard from a user that the NAT Acceleration doesn't work in Merlin's firmware for Asus routers, the user is owning a Asus RT-AC66U and I own a Asus RT-AC88U and in mine I can see NAT Acceleration under Advanced Settings --> LAN --> Switch Control --> NAT Acceleration: Auto CTF (Cut Through Hi fellow enthusiasts, I have a Gigabit Fiber internet connection that plugs into my router (Asus AC3200 tri-band). What is happening is that NAT acceleration is being disabled by the WireGuard config. The only settings I have there are "Jumbo Frame" and "Spanning-Tree Protocol". New comments cannot be posted and votes cannot be cast. . QoS Bandwidth Limiter and NAT Acceleration are functions that cannot work at the same time. 386_9794 SSID: ASUS_XT8 631CDE082A1F54C Jul 15, 2024 · Looking to capture data like the default Asus Traffic Analyze-> statistics page. ASUS B650E-F GAMING WIFI + R7 7800X3D + 2x Corsair Vengeance 32GB DDR5-6000 CL30-36-36-76 + ASUS RTX 4090 TUF Gaming OC Jan 23, 2024 · NAT Acceleration was set to Auto, which also mentions CTF being enabled. Вы можете выбрать: включить Jumbo Frame или нет. com/threads/i-dont-have-nat-acceleration-asus-rt-ax82u. Sep 26, 2023 · NAT is network address translation, and it provides a method to translate internet IPv4 addresses into other network IPv4 addresses. Operation Mode:Wireless router Firmware Version: 9. I know in the past, you could see if your hw acceleration was Level 1 or Level 2 by going to LAN > Switch Control and reading what is written in yellow to the right of the NAT Acceleration dropdown. Edit: you mentioned turning on WireGuard in the router settings. I can’t seem to find the setting does anyone know about this? The ROG interface is different from normal ASUS Archived post. Guess on earlier versions Bandwidth Limiter and NAT Acceleration were not working correctly, when one is on the other is suppose to turn off. I just would like to confirm if it make sense to turn on the flow control of the NIC in order to manage the packets? If you don't, what happens to packet management? This might cause packet drops and poor Nov 23, 2020 · ASUS doesn't allow mere mortals to change NAT acceleration, so I installed Merlin WRT that does and even with hw acceleration I get the same results. Pretty sure that was an option on the AC68U when I had it, but I was running ASUS firmware. Oct 7, 2025 · 2. Apart from QoS, something else that can disable NAT acceleration is the Traffic monitor/analyzer feature. 78622/#post-786775 if you enable Guest WiFi Bandwidth Limiter it will disable NAT acceleration NAT accelerator off, Wireguard VPN Server off and the speed is 300Mb. Because openwrt is using opensource driver. Jul 7, 2016 · My issue is CTF functionality seems inconsistent, NAT acceleration is set to "enabled" and the WebUI does show CTF is enabled but the following is observed: I can hit 230Mbps/22Mbps consistently to speedtest. So I want to know if this is true? Also what does NAT Sep 23, 2025 · The LAN - Switch Control page of my BE88U with Asus stock firmware doesn't show a NAT Acceleration option. Jul 12, 2021 · I've upgraded to gigabit internet, and want to get as much hardware acceleration as possible. To my understanding obviously CakeQos disables "Hardware Acceleration" as it does not use hardware acceleration. 19 with an Asus AC88u also with merlin in Aimesh mode Ok im configuring parental settings and in order to get accuracy in time i used to do when i had my old AC88u in stand alone mode disable NAT Acceleration for more precise scheduling control Feb 3, 2025 · 2. Aug 2, 2024 · Hiya Guys question please. It improves throughput and reduces CPU/hardware utilization on the router by bypassing some of the features of the TCP/IP stack. If you replace the T-mobile firmware with Asuswrt-Merlin, you can then enable SQM (fq_codel) and never lag again! With the custom firmware you’d pretty much unlocked the full potential of the AC-68U. I do not want to disable NAT Acceleration because i have symmetrical 1 Gbps fiber and the speeds cap at 300 Mbps without it. ASUS RT-AC68P routing bidirectional throughput – NAT Boost disabled Bottom line is there is no significant difference in routing throughput between the 68U and 68P. There is a link to the NAT acceleration switch from the AiProtection - Time Scheduling tab, where it says " Please disable NAT Acceleration for more precise scheduling control. The fastest speed I can get on a wired connection through the router is 250-300 Mbps. OpenNAT is a new feature which allows users to open ports and allows connections through your firewall to your home network Hardware NAT is only supported on MediaTek mt7621a chip. net I don't see the setting for it, but the router definitely supports it. Включение Jumbo Frame может ускорить передачу It should be able to reach close to 1000 Mbps as long as NAT acceleration isn’t disabled. What does it mean? Is this a serious problem vs other routers? Jun 13, 2018 · IIRC, the NAT Acceleration setting can affect the reporting in the Traffic Analyzer because when it is enabled wired traffic bypasses the RT-AC88U CPU. You will still be doing NAT. Disabling QoS seems to turn NAT acceleration back on, and my phone and other wireless devices are back to getting 1020mbps down on Speedtest. What is NAT Acceleration? NAT Acceleration is a set of software rules and hardware features used to speed up fast internet connections through a NAT router, typically used with internet bandwidth over 100 Mbits/s. QoS Bandwidth Limiter and NAT Acceleration: Bandwidth Limiter suspends internet speed to the configured figure, while NAT acceleration uses various method to speed up packet transition. Maybe even turn WiFi off while testing to make sure nothing is connecting there. Описание функции 1. Apr 23, 2022 · NAT acceleration doesn't exist on the current generation of Asus routers. You can only choose for one function to work at a time. There is no other chip support hardware nat on openwrt. But openwrt firmware is not. These tips work for most other Asus routers as well. My intention was to enable CTF to increase throughput. Lots of info on this over at small net builder forums. Hello, After a few months of investigation, I discovered that NAT Acceleration for some reason is preventing Wi-Fi Calling from working. When I enable the bandwidth limiter for the guest network it enables QoS, and when Have an Asus RT-N56U or Asus RT-N66U router and Circle? You may experience slowdown when connected via Ethernet from Circle to your router. Apr 20, 2025 · Apparently (from what I found out), turning these features on disables NAT Acceleration, you can't directly control it anymore. If you'd like to use Ethernet still, turn off "NAT Acceleration: Login to your router's management interface. So if I upgraded to the ASUS 88u or 5300 with latest Merlin will it be a problem to? As I would like full speeds and reliable timer scheduling. Sep 17, 2022 · In my situation, where maybe once a month I need to log into my network remotely and the VPN speed isn't that important but local network speed and overall security is, would you suggest running Wireguard on my QNAP instead, or running one of the other protocols on the Asus router (assuming one of the others is compatible with NAT acceleration)? Operation Mode:Wireless router Firmware Version: 9. Is NAT Acceleration not an option on the RT-AC86U? Is there anything else that could be causing Parental Controls to fail? Thanks! Apr 11, 2025 · 2. EDIT1: Ahh, further research shows NAT acceleration and port forwarding are incompatible. 386_9794 SSID: ASUS_XT8 631CDE082A1F54C Feb 3, 2025 · 2. Could my theory be true? What is NAT acceleration doing on AP mode, since there is no NAT? Feb 22, 2023 · I dont have Nat Acceleration (ASUS RT-AX82U) My setting where it would be is Bonding/ Link aggregation instead of Nat Acceleration. Does anybody know what I can do to keep my full internet speed while being able to use port forwarding? Thanks. Dec 10, 2022 · According to https://www. Here’s the unidirectional plot with NAT Acceleration disabled. That was a hardware feature of the older "N" and "AC" models. Are you running beta firmware? Jun 1, 2018 · Hi Philip! I'm using Asus 5300 (merlin) router with NAT acceleration enabled. I was able to get asus to write me a modded firmware with both enabled same time (when normally only 1 should be allowed on at a time) and so far all been Mar 15, 2018 · I dont have Nat Acceleration (ASUS RT-AX82U) My setting where it would be is Bonding/ Link aggregation instead of Nat Acceleration. These settings will possibly block the unknown packages and lead to connection failure when playing online games. I have a RT-AC3100 running the latest version of Asuswrt-Merlin So I have always disabled NAT Acceleration because Asus claims that if you do the traffic monitor will be more accurate. Tplink archer v7 stock firmware supports hardware nat. What I see are Jumbo Frame and Bonding/ Link aggregation. snbforums. The issue occurs under the latest versions of ASUSwrt and ASUS-Merlin on my RT-AC3100. Object movedObject moved to here. 378_9135 and wondered if there was a way to choose between just CTF or CTF and FA NAT acceleration. You can unplug the Ethernet and leave Circle close to your router (we recommend 3-5 feet). 4. It seems like the default Asus page only holds the data for a short time. Feb 15, 2023 · [LAN] Как настроить Switch Control Что такое Switch Control? Вы можете настроить функцию Jumbo Frame и NAT Acceleration в разделе Switch Control. If I plug the ethernet wire directly to my desktop, I get around 850-900Mbits/sec. Nov 22, 2024 · [Gaming Network] The Evolution of Triple-level Game Acceleration In the pursuit of the ultimate gaming experience, we are excited to introduce the [Gaming Network], a revolutionary feature designed to cater to the discerning needs of gamer. NAT Accellerator is needed to get close to the 1Gig speeds. Ideally I'd like to be able to capture the per device data and have it stored longer term so I can reference it later on. But I can only disable "NAT Acceleration" for LAN, I can't find the "NAT Acceleration" for Wireless, why is that? Jun 4, 2017 · However, the Hardware Acceleration can boost your router a lot, especially for NAT, the internet speed once you have a large number of devices, I don’t want to miss these important feature, so finally I decided to go with Asuswrt-Merlin, which is the one just right build on the original firmware with more customized features. Jul 6, 2020 · Parental controls time scheduling does not work reliably unless NAT acceleration is disabled. When I try to set the option to May 21, 2020 · NAT and NAT acceleration are not the same thing The recommendation is only to disable acceleration, for compatibility purposes. Sep 14, 2020 · Hello I have an Asus rtac5300 i just wanted to know what you think about this setting? I have an 105 megabit/s down and 19 megabit/s upload. opensourced drivers doesn’t contain acceleration feature This means Asuswrt-Merlin retains full support for NAT acceleration (sometimes referred to as "hardware acceleration"), enhanced NTFS performance (through the proprietary drivers used by Asus from Tuxera), and the Asus exclusive features such as AiCloud or the Trend Micro-powered AiProtection. Make sure any kind of QoS is turned off and NAT acceleration is On (Cut through Forwarding AKA CTF is enabled). Under Hardware Acceleration I have Runner: Enabled and Flow Cache: Enabled Aug 30, 2018 · Well NAT acceleration will definitely need to be on and I'd try with jumbo frames off. Sep 3, 2020 · Hey all, I'm going to jump right into this question: NAT Acceleration On: Full internet speed NAT Acceleration Off: A fraction of internet speed However, with it ON, it seems port forwarding doesn't work. Sent from my SM-G930T using Tapatalk Dec 5, 2016 · Here are a security professional's recommendations for how to set up an Asus RT-AC66U, and also optimize and secure it for the best possible user experience, as well as security for your network and your devices. As it is explained in your article, when this feature is enabled Tcp/Ip stack flow control is bypassed. Jan 29, 2024 · NAT is network address translation, and it provides a method to translate internet IPv4 addresses into other network IPv4 addresses. Just having these features on makes the CPU the bottleneck (I guess). Hopefully when Asus gets WireGuard into the stock firmware they will have a fix for this. " Feb 9, 2021 · I read that this could be due to NAT Acceleration being turned on, but I do not seem to have that setting under LAN > Switch Control. uypabr ciyxek xrfw psehtsp rextbb vavhql yfog ecrk qfcnc twhyr mimqh xnpclm dfwxnz eaktw shjbicn