Asus RT-AC1900P User manual

User Guide
RT-AC1900P Dual Band
3x3 Wireless-AC 1900 Gigabit Router
1900P

2
Copyright © 2014 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,
modified or altered, unless such repair, modification of alteration is authorized
in writing by ASUS; or (2) the serial number of the product is defaced or
missing.
ASUS PROVIDES THIS MANUAL “AS IS”WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A
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,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS
AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR
PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE
FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE
AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A
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.
Products and corporate names appearing in this manual may or may not be
registered trademarks or copyrights of their respective companies, and are used
only for identification or explanation and to the owners’benefit, without intent
to infringe.
E11212
First Edition
December 2015

3
Table of contents
1 Getting to know your wireless router 6
1.1 Welcome! ........................................................................................6
1.2 Package contents.........................................................................6
1.3 Your wireless router.....................................................................7
1.4 Positioning your router..............................................................9
1.5 Setup Requirements ................................................................ 10
1.6 Router Setup............................................................................... 11
1.6.1 Wired connection..................................................................11
1.6.2 Wireless connection.............................................................12
2 Getting started 14
2.1 Logging into the Web GUI ..................................................... 14
2.2 Quick Internet Setup (QIS) with Auto-detection ........... 15
2.3 Connecting to your wireless network................................ 19
3 Configuring the General settings 20
3.1 Using the Network Map ......................................................... 20
3.1.1 Setting up the wireless security settings......................21
3.1.2 Managing your network clients.......................................22
3.1.3 Monitoring your USB device.............................................23
3.2 Creating a Guest Network...................................................... 26
3.3 Using the Traffic Manager ...................................................... 28
3.3.1 Managing QoS (Quality of Service) Bandwidth..........28
3.3.2 Monitoring Traffic .................................................................31
3.4 Setting up Parental Control................................................... 32
3.5 Using the USB Application..................................................... 33
3.5.1 Using AiDisk...............................................................................33
3.5.2 Using Servers Center............................................................35
3.5.3 3G/4G ........................................................................................41

4
Table of contents
3.6 Using AiCloud............................................................................. 43
3.6.1 Cloud Disk................................................................................44
3.6.2 Smart Access...........................................................................46
3.6.3 Smart Sync...............................................................................47
4 Configuring the Advanced Settings 48
4.1 Wireless......................................................................................... 48
4.1.1 General......................................................................................48
4.1.2 WPS ............................................................................................51
4.1.3 Bridge ........................................................................................53
4.1.4 Wireless MAC Filter ...............................................................55
4.1.5 RADIUS Setting ......................................................................56
4.1.6 Professional.............................................................................57
4.2 LAN................................................................................................. 59
4.2.1 LAN IP ........................................................................................59
4.2.2 DHCP Server............................................................................60
4.2.3 Route .........................................................................................62
4.2.4 IPTV ...............................................................................................63
4.3 WAN ............................................................................................... 64
4.3.1 Internet Connection.............................................................64
4.3.2 Port Trigger..............................................................................67
4.3.3 Virtual Server/Port Forwarding........................................69
4.3.4 DMZ............................................................................................72
4.3.5 DDNS .........................................................................................73
4.3.6 NAT Passthrough...................................................................74
4.4 IPv6................................................................................................. 75
4.5 VPN Server................................................................................... 76
4.6 Firewall.......................................................................................... 77
4.6.1 General......................................................................................77
4.6.2 URL Filter ..................................................................................77
4.6.3 Keyword filter .........................................................................78

5
Table of contents
4.6.4 Network Services Filter .......................................................79
4.7 Administration ........................................................................... 81
4.7.1 Operation Mode ....................................................................81
4.7.2 System.......................................................................................82
4.7.3 Firmware Upgrade................................................................83
4.7.4 Restore/Save/Upload Setting ...........................................83
4.8 System Log .................................................................................. 84
5 Utilities 85
5.1 Device Discovery....................................................................... 85
5.2 Firmware Restoration .............................................................. 86
5.3 Setting up your printer server .............................................. 87
5.3.1 ASUS EZ Printer Sharing .....................................................87
5.3.2 Using LPR to Share Printer .................................................91
5.4 Download Master...................................................................... 96
5.4.1 Configuring Bit Torrent download settings.................97
5.4.2 NZB settings............................................................................98
6 Troubleshooting 99
6.1 Basic Troubleshooting............................................................. 99
6.2 Frequently Asked Questions (FAQs) ................................102
Appendices 112
Notices .....................................................................................................112
ASUS Contact information..................................................................126
Networks Global Hotline Information.............................................127

6
1 Getting to know your wireless
router
NOTES:
• Ifanyoftheitemsare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.
RT-AC1900P Wireless Router Network cable (RJ-45)
Power adapter Quick Start Guide
Support CD (Manual)
1.1 Welcome!
Thank you for purchasing an ASUS RT-AC1900P Wireless Router!
The ultra-thin and stylish RT-AC1900P features a 2.4GHz and 5GHz
dual bands for an unmatched concurrent wireless HD streaming;
SMB server, UPnP AV server, and FTP server for 24/7 file 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

7
1.3 Your wireless router
1900P
LAN 1~4 LED
Off: No power or no physical connection.
On: Has physical connection to a local area network (LAN).
WAN (Internet) LED
Off: No power or no physical connection.
On: Has physical connection to a wide area network (WAN).
USB 3.0 / 2.0 LED
Off: No power or no physical connection.
On: Has physical connection to USB 3.0 / 2.0 devices.
2.4GHz LED / 5GHz LED
Off: No 2.4GHz or 5GHz signal.
On:Wireless system is ready.
Flashing:Transmitting or receiving data via wireless connection.
Power LED
Off: No power.
On: Device is ready.
Flashing slow: Rescue mode
Flashing quick:WPS is processing.
WPS button
This button launches the WPS Wizard.

8
NOTES:
• Useonlytheadapterthatcamewithyourpackage.Usingother
adapters may damage the device.
• Specifications:
DC Power adapter DC Output: +19V with max 1.75A current;
Operating
Temperature 0~40oCStorage 0~70oC
Operating Humidity 50~90% Storage 20~90%
WI-FI On/Off button
Press this button to turn on /off the Wi-Fi connection.
Power button
Press this button to power on or off the system.
Power (DC-IN) port
Insert the bundled AC adapter into this port and connect your router to a power source.
USB 3.0 / 2.0 ports
Insert USB 3.0 / 2.0 devices such as USB hard disks or USB flash drives into these ports.
Insert your iPad’s USB cable into one of these ports to charge your iPad.
WAN (Internet) port
Connect a network cable into this port to establish WAN connection.
LED On/Off button
Press this button to turn on/off the backlight LED on the panel.
LAN 1 ~ 4 ports
Connect network cables into these ports to establish LAN connection.
Reset button
This button resets or restores the system to its factory default settings.
On
Off

9
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, fluorescent
lights, microwave ovens, refrigerators, and other industrial
equipment to prevent signal interference or loss.
• Alwaysupdatetothelatestfirmware.VisittheASUSwebsiteat
http://www.asus.com to get the latest firmware updates.
• Toensurethebestwirelesssignal,orientthethreedetachable
antennas as shown in the drawing below.
45°
90°
45°
1900P

10
1.5 Setup Requirements
To set up your wireless network, you need a computer that meets
the following system requirements:
• EthernetRJ-45(LAN)port(10Base-T/100Base-TX/
1000BaseTX)
• IEEE802.11a/b/g/n/acwirelesscapability
• AninstalledTCP/IPservice
• WebbrowsersuchasInternetExplorer,Firefox,Safari,or
Google Chrome
NOTES:
• Ifyourcomputerdoesnothavebuilt-inwirelesscapabilities,youmay
install an IEEE 802.11a/b/g/n/ac WLAN adapter to your computer to
connect to the network.
• Withitsdualbandtechnology,yourwirelessroutersupports2.4GHz
and 5GHz wireless signals simultaneously. This allows you to do
Internet-related activities such as Internet surfing or reading/writing
e-mail messages using the 2.4GHz band while simultaneously
streaming high-definition audio/video files such as movies or music
using the 5GHz band.
• SomeIEEE802.11ndevicesthatyouwanttoconnecttoyournetwork
may or may not support 5GHz band. Refer to the device's manual for
specifications.
• TheEthernetRJ-45cablesthatwillbeusedtoconnectthenetwork
devices should not exceed 100 meters.