Asus AX5400 User manual

E22790
TUF Gaming AX5400 Wireless Router

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Copyright © 2023 ASUSTeK Computer Inc. All Rights Reserved.
No part of this manual, including the products and software described
in it, may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language in any form or by any means, except
documentation kept by the purchaser for backup purposes, without the
express written permission of ASUSTeK Computer Inc. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired,
modied or altered, unless such repair, modication of alteration is authorized
in writing by ASUS; or (2) the serial number of the product is defaced or
missing.
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EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
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PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS,
EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
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SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE
FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE
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COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY
FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL,
INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
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only for identication or explanation and to the owners’ benet, without intent
to infringe.
E22790
First Edition
November 2023

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Table of contents
1 Getting to know your wireless router
1.1 Welcome! ........................................................................................7
1.2 Package contents.........................................................................7
1.3 Your wireless router.....................................................................8
1.4 Positioning your router........................................................... 10
1.5 Setup Requirements ................................................................ 11
2 Getting started
2.1 Router Setup............................................................................... 12
A. Wired connection..................................................................13
B. Wireless connection.............................................................14
2.2 Quick Internet Setup (QIS) with Auto-detection ........... 16
2.3 Connecting to your wireless network................................ 19
3 Conguring the General and Advanced Settings
3.1 Logging into the Web GUI ..................................................... 20
3.2 Adaptive QoS.............................................................................. 22
3.3 Administration ........................................................................... 23
3.3.1 Operation Mode ....................................................................23
3.3.2 System.......................................................................................24
3.3.3 Firmware Upgrade................................................................25
3.3.4 Restore/Save/Upload Setting ...........................................25
3.4 AiCloud 2.0 .................................................................................. 26
3.4.1 Cloud Disk................................................................................27
3.4.2 Smart Access...........................................................................29
3.4.3 AiCloud Sync...........................................................................30
3.5 AiMesh .......................................................................................... 31
3.5.1 Before setting .........................................................................31
3.5.2 AiMesh Setup steps..............................................................31
3.5.3 Troubleshooting....................................................................34
3.5.4 Relocation................................................................................35
3.5.5 FAQs (Frequently Asked Questions) ...............................36

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Table of contents
3.6 AiProtection ............................................................................... 37
3.6.1 Conguring AiProtection ...................................................38
3.6.2 Malicious Sites Blocking ....................................................40
3.6.3 Two-Way IPS............................................................................41
3.6.4 Infected Device Prevention and Blocking....................42
3.7 Firewall.......................................................................................... 43
3.7.1 General......................................................................................43
3.7.2 URL Filter ..................................................................................43
3.7.3 Keyword lter .........................................................................44
3.7.4 Network Services Filter .......................................................45
3.8 Game ............................................................................................. 46
3.8.1 Gear Accelerator....................................................................47
3.8.2 Open NAT.................................................................................48
3.9 Guest Network ........................................................................... 49
3.10 IPv6................................................................................................. 51
3.11 LAN................................................................................................. 52
3.11.1 LAN IP ........................................................................................52
3.11.2 DHCP Server............................................................................53
3.11.3 Route .........................................................................................55
3.11.4 IPTV ............................................................................................56
3.12 Network Map ............................................................................. 57
3.12.1 Setting up the wireless security settings......................58
3.12.2 Managing your network clients.......................................59
3.12.3 Monitoring your USB device.............................................60
3.13 Parental Controls....................................................................... 62
3.14 Smart Connect ........................................................................... 65
3.14.1 Setting up Smart Connect .................................................65
3.15 System Log .................................................................................. 66
3.16 Trac Analyzer........................................................................... 67
3.17 USB Application......................................................................... 68
3.17.1 Using AiDisk ............................................................................69

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Table of contents
3.17.2 Using Servers Center............................................................71
3.17.3 3G/4G ........................................................................................76
3.18 VPN................................................................................................. 77
3.18.1 VPN Server...............................................................................77
3.18.2 VPN Fusion...............................................................................78
3.18.3 Instant Guard..........................................................................80
3.19 WAN ............................................................................................... 81
3.19.1 Internet Connection.............................................................81
3.19.2 Dual WAN .................................................................................84
3.19.3 Port Trigger..............................................................................85
3.19.4 Virtual Server/Port Forwarding........................................87
3.19.5 DMZ............................................................................................90
3.19.6 DDNS .........................................................................................91
3.19.7 NAT Passthrough...................................................................92
3.20 Wireless......................................................................................... 93
3.20.1 General......................................................................................93
3.20.2 WPS ............................................................................................95
3.20.3 Bridge ........................................................................................97
3.20.4 Wireless MAC Filter ...............................................................99
3.20.5 RADIUS Setting ................................................................... 100
3.20.6 Professional.......................................................................... 101
4 Utilities
4.1 Device Discovery.....................................................................104
4.2 Firmware Restoration ............................................................105
4.3 Setting up your printer server ............................................106
4.3.1 ASUS EZ Printer Sharing .................................................. 106
4.3.2 Using LPR to Share Printer .............................................. 110
4.4 Download Master....................................................................115
4.4.1 Conguring Bit Torrent download settings.............. 116
4.4.2 NZB settings......................................................................... 117

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5 Troubleshooting
5.1 Basic Troubleshooting...........................................................118
5.2 Frequently Asked Questions (FAQs) ................................120
Appendices
Safety Notices..........................................................................................138
Service and Support..............................................................................140

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1 Getting to know your wireless1 Getting to know your wireless
routerrouter
1.1 Welcome!
Thank you for purchasing TUF Gaming Wireless Router!
The stylish router features 2.4GHz and 5GHz dual bands for
an unmatched concurrent wireless HD streaming; SMB server,
UPnP AV server, and FTP server for 24/7 le sharing; a capability
to handle 300,000 sessions; and the ASUS Green Network
Technology, which provides up to 70% power-saving solution.
1.2 Package contents
NOTES:
• If any of the items is damaged or missing, contact ASUS for
technical inquiries and support, Refer to the ASUS Support
Hotline list at the back of this user manual.
• Keep the original packaging material in case you would need
future warranty services such as repair or replacement.
TUF Gaming Wireless Router AC adapter
Network cable (RJ-45) Quick Start Guide

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1.3 Your wireless router
WAN (Internet) LED
Red: No IP or no physical connection.
On: Has physical connection to WAN port.
LAN 1~4 LEDs
O: No power or no physical connection.
On: Has physical connection to a local area network (LAN).

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NOTES:
• Use only the adapter that came with your package. Using other
adapters may damage the device.
• Specications:
DC Power adapter DC Output: +12V with max 2.5A current
OperatingTemperature 0~40oC Storage 0~70oC
Operating Humidity 50~90% Storage 20~90%
5GHz LED
O: No 5GHz signal.
On: Wireless system is ready.
Flashing: Transmitting or receiving data via wireless connection.
2.4GHz LED
O: No 2.4GHz signal.
On: Wireless system is ready.
Flashing: Transmitting or receiving data via wireless connection.
Power LED
O: No power.
On: Device is ready.
Flashing slow: Rescue mode.
Power (DCIN) port
Insert the bundled AC adapter into this port and connect your router to a power source.
Power button
Press this button to power on or o the system.
USB 3.2 Gen 1 port
Insert a USB3.2 Gen 1 compatible device such as USB hard disk or USB ash drive into
this port.
LAN 1~4 ports
Connect network cables into these ports to establish LAN connection.
WAN (Internet)port
Connect a network cable into this port to establish WAN connection.
WPS button
Long press the button to launch the WPS Wizard.
Reset button
This button resets or restores the system to its factory default settings.

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1.4 Positioning your router
For the best wireless signal transmission between the wireless
router and the network devices connected to it, ensure that you:
• Place the wireless router in a centralized area for a maximum
wireless coverage for the network devices.
• Keep the device away from metal obstructions and away from
direct sunlight.
• Keep the device away from 802.11g or 20MHz only Wi-Fi
devices, 2.4GHz computer peripherals, Bluetooth devices,
cordless phones, transformers, heavy-duty motors, uorescent
lights, microwave ovens, refrigerators, and other industrial
equipment to prevent signal interference or loss.
• Always update to the latest rmware. Visit the ASUS website at
http://www.asus.com to get the latest rmware updates.
• To ensure the best wireless signal, orient the six non-
detachable antennas as shown in the drawing below.