TP-LINK TD-W8901N User Manual
TD-W8901N
150Mbps Wireless N ADSL2+ Modem Router
REV 3.1.2
1910011773
COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. is a registered trademark of
TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or
registered trademarks of their respective holders.
No part of the specifications may be reproduced in any form or by any means or used to make any
derivative such as translation, transformation, or adaptation without permission from TP-LINK
TECHNOLOGIES CO., LTD. Copyright © 2016 TP-LINK TECHNOLOGIES CO., LTD. All rights
reserved.
http://www.tp-link.com
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
Consult the dealer or an experienced radio/ TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1） This device may not cause harmful interference.
2） This device must accept any interference received, including interference that may cause
undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Note: The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications to this equipment. Such modifications could void the user’s authority to
operate the equipment.
FCC RF Radiation Exposure Statement
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This device and its antenna must not be co-located or operating in conjunction with
any other antenna or transmitter.
“To comply with FCC RF exposure compliance requirements, this grant is applicable to only
Mobile Configurations. The antennas used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be co-located or operating in
conjunction with any other antenna or transmitter.
CE Mark Warning
This is a class B product. In a domestic environment, this product may cause radio interference, in
which case the user may
be required to take adequate measures.
RF Exposure Information
This device meets the EU requirements
the general public to electromagnetic fields by way of health protection.
The device complies with RF specifications when the device used at 20 c
(1999/5/EC Article 3.1a) on the limitation of exposure of
m from your body.
UkrSEPRO
Продукт сертифіковано згідно с правилами системи УкрСЕПРО на відповідність вимогам
нормативних документів та вимогам, що передбачені чинними законодавчими актами
України.
Safety Information
When product has power
when there is no power button, the only way to completely shut off power is to disconnect the
product or the power adapter from the power source.
button, the power button is one of the way to shut off the product;
Don’t disassemble the product, or make repairs your
and voiding the limited warranty. If you need service, please contact us.
Avoid water and wet locations.
Adapter shall be installed near t
The plug considered as disconnect device of adapter.
Use only power supplies which are provided by manufacturer and in the original
packing of th
is product. If you have any questions, please don't hesitate to contact us.
he equipment and shall be easily accessible.
self. You run the risk of electric shock
Explanation of the symbols on the product label
Symbol Explanation
Class II equipment
DC voltage
RECYCLING
This product bears the selective sorting symbol for Waste electrical and electronic
equipment (WEEE). This means that this product must be handled pursuant to
European directive 2012/19/EU in order to be recycled or dismantled to minimize
its impact on the environment.
User has the choice to give his product to a competent recycling organization or to
the retailer when he buys a new electrical or electronic equipment.
CONTENTS
Chapter 1. Introduction.................................................. 1
1.1 Product Overview ............................................. 1
1.2 Main Features ................................................ 1
1.3 Conventions .................................................. 2
Chapter 2. Hardware Installation ......................................... 3
2.1 The Front Panel............................................... 3
2.2 The Back Panel ............................................... 5
2.3 Installation Environment........................................ 6
2.4 Connecting the Modem Router.................................. 6
Chapter 3. Quick Installation Guide ...................................... 8
3.1 TCP/IP Configuration .......................................... 8
3.2 Login ........................................................ 9
Chapter 4. Software Configuration ...................................... 12
4.1 Status ...................................................... 12
4.1.1 Device Info .................................................... 12
4.1.2 System Log.................................................... 13
4.1.3 Statistics ...................................................... 14
4.2 Quick Start .................................................. 17
4.3 Interface Setup .............................................. 17
4.3.1 Internet ....................................................... 17
4.3.2 LAN .......................................................... 27
4.3.3 Wireless....................................................... 31
4.3.4 6RD .......................................................... 42
4.3.5 Guest Network ................................................. 43
4.4 Advanced Setup ............................................. 44
4.4.1 Firewall ....................................................... 45
4.4.2 Routing ....................................................... 45
4.4.3 NAT .......................................................... 46
4.4.4 QoS .......................................................... 50
4.4.5 VLAN ......................................................... 53
4.4.6 ADSL ......................................................... 55
4.5 Access Management ......................................... 56
4.5.1 ACL .......................................................... 56
4.5.2 Filter .......................................................... 58
4.5.3 SNMP ........................................................ 67
4.5.4 UPnP ......................................................... 67
4.5.5 DDNS......................................................... 68
4.5.6 CWMP ........................................................ 69
4.6 Maintenance ................................................ 70
4.6.1 Administration.................................................. 70
4.6.2 Time Zone..................................................... 70
4.6.3 Firmware ...................................................... 72
4.6.4 SysRestart..................................................... 74
4.6.5 Diagnostics .................................................... 74
4.7 Help ........................................................ 75
Appendix A: Specifications .............................................. 77
Appendix B: Troubleshooting ............................................ 78
Appendix C: Technical Support .......................................... 81
TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Chapter 1. Introduction
Thank you for choosing the TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router.
1.1 Product Overview
The device is designed to provide a simple and cost-effective ADSL Internet connection for a
private Ethernet or IEEE 802.11n/ IEEE 802.11g/ IEEE 802.11b wireless network.
The TD-W8901N connects to an Ethernet LAN or computers via standard Ethernet ports. The
ADSL connection is made using ordinary telephone line with standard connectors. Multiple
workstations can be networked and connected to the Internet using a single Wide Area Network
(WAN) interface and single global IP address. The advanced security enhancements, IP/MAC
Filter, Application Filter and URL Filter can help to protect your network from potentially
devastating intrusions by malicious agents from the outside of your network.
Quick Start of the Web-based Utility is supplied and friendly help messages are provided for the
configuration. Network and Router management is done through the Web-based Utility which can
be accessed through local Ethernet using any web browser.
The TD-W8901N supports full-rate ADSL2+ connectivity conforming to the ITU and ANSI
specifications. In addition to the basic DMT physical layer functions, the ADSL2+ PHY supports
dual latency ADSL2+ framing (fast and interleaved) and the I.432 ATM Physical Layer.
In the most attentive wireless security, the modem router provides multiple protection measures. It
can be set to turn off the wireless network name (SSID) broadcast so that only stations that have
the SSID can be connected. The modem router provides wireless LAN 64/128-bit WEP encryption
security, WPA-PSK/WPA2-PSK authentication, as well as TKIP/AES encryption security.
1.2 Main Features
Four 10/100Mbps Auto-Negotiation RJ45 LAN ports (Auto MDI/MDIX), one RJ11 port.
Provides external splitter.
Adopts Advanced DMT modulation and demodulation technology.
Supports bridge mode and Router function.
Multi-user sharing a high-speed Internet connection.
Downstream data rates up to 24Mbps, upstream data rates up to 2.5Mbps（With Annex M
enabled）.
Supports long transfers, the max line length can reach to 6.5Km.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Supports re
Supports PPPoE, and it allows connecting the Internet on demand and disconnecting from
the Internet when idle.
Provides reliable ESD and surge-protect function with quick response semi-conductive surge
protection circuit.
High speed and asymmetrical data transmit mode, provides safe and exclusive bandwidth.
Supports All ADSL industrial standards.
Compatible with all mainstream DSLAM (CO).
Provides integrated access to Internet and route function which face to SOHO user.
Real-time Configuration and device monitoring.
Supports Multiple PVC (Permanent Virtual Circuit).
Built-in DHCP server.
Built-in firewall, supporting IP/MAC filter, Application filter and URL filter.
mote configuration and management through SNMP
and CWMP.
Supports Virtual Server, DMZ host and IP Address Mapping.
Supports Dynamic DNS, UPnP and Static Routing.
Supports system log and flow Statistics.
Supports firmware upgrade and Web management.
Provides WPA-PSK/WPA2-PSK data security, TKIP/AES encryption security.
Provides 64/128-bit WEP encryption security and wireless LAN ACL (Access Control List).
Supports IPv6.
1.3 Conventions
The modem router or device mentioned in this User Guide stands for TD-W8901N without any
explanations.
Parameters provided in the pictures are just references for setting up the product, which may differ
from the actual situation.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Chapter 2. Hardware Installation
2.1 The Front Panel
Figure 2-1
The LEDs locate on the front panel. They indicate the device’s working status. For details, please
refer to LEDs Explanation.
LEDs Explanation:
Name Status Indication
On The modem router is powered on.
(Power)
Off
The modem router is off. Please ensure that the power adapter is
connected correctly.
(ADSL)
(Internet)
(WLAN)
(WPS)
(LAN 1-4)
On ADSL line is synchronized and ready to use.
Flash The ADSL negotiation is in progress.
Off
On The network is available with a successful Internet connection.
Flash There is data being transmitted or received via the Internet.
Off
On Wireless is enabled.
Off Wireless function is disabled.
On Wireless is enabled but no data is being transmitted.
Flash
Off
On There is a device connected to this LAN port.
Off There is no device connected to this LAN port.
ADSL synchronization fails. Please refer to Note 1
troubleshooting.
There is no successful Internet connection or the modem router is
operating in Bridge mode. Please refer to Note 2
WPS handshaking is in process and will continue for about 2
minutes. Please press the WPS button on other wireless devices
that you want to add to the network while the LED is flashing.
The WPS function is disabled or the wireless device fails to be added
to the network in 2 minutes after WPS function is enabled. Please
refer to WPS Settings for more information.
for
for troubleshooting.
Note:
1. If the ADSL LED is off, please check your Internet connection first. Refer to 2.4 Connecting the
Modem Router for more information about how to make Internet connection correctly. If you
have already made a right connection, please contact your ISP to make sure if your Internet
service is available now.
3
If the Internet LED is off, please check your ADSL LED first. If your ADSL LED is also off,
2.
please refer to Note 1. If your ADSL LED is GREEN ON, please check your Internet
configuration. You may need to check this part of information with your ISP and make sure
everything have been input correctly. Refer to 4.1.1 Device Info
information.
TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
and 4.3.1 Internet for more
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
2.2 The Back Panel
WiFi
POWER ON/OFF
WPS/
RESET
LAN4
LAN3
LAN2
LAN1
ADSL
Figure 2-2
POWER: The Power plug is where you will connect the power adapter.
ON/OFF: The switch for the power.
WiFi: Press this button to enable or disable Wireless LAN interface.
WPS/RESET: The switch for the WPS function. If your client devices, such as wireless
adapters, support Wi-Fi Protected Setup, then you can press this button for about two
seconds to quickly establish a connection between the router and client devices and
automatically configure wireless security for your wireless network. For details, please refer to
WPS Settings
. If you press this button for more than 8 seconds, you will enable the RESET
function. There are two ways to reset the modem router's factory defaults.
Method one: With the modem router powered on, press and hold down the WPS/RESET
button on the rear panel for about 8 seconds until some LEDs go off, then release the button.
Method two: Restore the default setting from “Maintenance-SysRestart” of the modem
router's Web-based Utility.
4, 3, 2, 1 (LAN): Through the port, you can connect the modem router to your PC or the other
Ethernet network devices.
ADSL: Through the port, you can connect the modem router with the telephone. Or you can
connect them by an external separate splitter. For details, please refer to 2.4 Connecting the
Modem Router.
Antenna: Used for wireless operation and data transmit.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
2.3 Installation Environment
The Product should not be located where it will be exposed to moisture or excessive heat.
Place the modem router in a location where it can be connected to the various devices as well
as to a power source.
Make sure the cables and power cord are safely placed out of the way so they do not create a
tripping hazard.
The modem router can be placed on a shelf or desktop.
Keep away from the strong electromagnetic radiation and the device of electromagnetic
sensitive.
Generally, TD-W8901N is placed on a horizontal surface. The device also can be mounted on the
wall as shown in Figure 2-3.
Figure 2-3 Wall-mount Install
Note:
The diameter of the screw, 3.5mm<D<8mm, and the distance of two screws is 118mm. The screw
that project from the wall need around 4mm based, and the length of the screw need to be at least
20mm to withstand the weight of the product.
2.4 Connecting the Modem Router
Before installing the device, please make sure your broadband service provided by your ISP is
available. If there is any problem, please contact your ISP. Before cable connection, cut off the
power supply and keep your hands dry. You can follow the steps below to install it.
Step 1: Connect the ADSL Line.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Method one: Plug one end of the
twisted-pair ADSL cable into the ADSL port on the rear
panel of TD-W8901N, and insert the other end into the wall socket.
Method two：You can use a separate splitter. External splitter can divide the data and
voice, and then you can access the Internet and make calls at the same time. The
external splitter has three ports:
• LINE: Connect to the wall jack
• PHONE: Connect to the phone sets
• MODEM: Connect to the ADSL port of TD-W8901N
Plug one end of the twisted-pair ADSL cable into the ADSL port on the rear panel of
TD-W8901N. Connect the other end to the MODEM port of the external splitter.
Step 2: Connect the Ethernet cable. Attach one end of a network cable to your computer’s
Ethernet port or a regular hub/switch port, and the other end to the LAN port on the
TD-W8901N.
Step 3: Power on the computers and LAN devices.
Step 4: Attach the power adapter. Connect the power adapter to the power connector on the rear
of the device and plug in the adapter to an electrical outlet or power extension. The
electrical outlet shall be installed near the device and shall be easily accessible.
Phone Cable
LINE
Splitter
PHONEMODEM
Computer
Wall Socket
POWER ON /OFF
WiFi
WPS/
LAN4
RESET
LAN1
LAN2
LAN3
ADSL
Ethernet Cable
Phone Cable
Figure 2-4
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Chapter 3. Quick Installation Guide
3.1 TCP/IP Configuration
The default IP address of the TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router is
192.168.1.1. And the default Subnet Mask is 255.255.255.0. These values can be changed as you
desire. In this guide, we use all the default values for description.
Connect the local PC to the LAN port of the Modem Router. And then you can configure your PC
to an obtain IP address in the following way:
1) Set up the TCP/IP Protocol in "Obtain an IP address automatically" mode on your PC.
If you need instructions as to how to do this, please refer to T3 in Appendix B:
Troubleshooting.
2) Then the built-in DHCP server will assign IP address for the PC.
Now, you can run the Ping command in the command prompt to verify the network connection.
Please click the Start menu on your desktop, select run tab, type cmd or command in the field
and press Enter. Type ping 192.168.1.1 on the next screen, and then press Enter.
If the result displayed is similar to the screen below, the connection between your PC and the
modem router has been established.
Figure 3-1
If the result displayed is similar to the screen shown below, it means that your PC has not
connected to the modem router.
8
You can check it follow the steps below:
1) Is the connection between your PC and the modem router correct?
The LEDs of LAN port which you link to the device and the LEDs on your PC's adapter should
be lit.
2) Is the TCP/IP configuration for your PC correct?
If the modem router's IP address is 192.168.1.1, your PC's IP address must be within the
range of 192.168.1.2 ~ 192.168.1.254.
TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 3-2
3.2 Login
Once your host PC is properly configured, please proceed as follows to use the Web-based Utility:
Launch your web browser and enter http://tplinkmodem.net or 192.168.1.1 in the address bar.
After that, you will see the screen shown below, enter the default User Name admin and the
default Password admin, and then click Login to access to the Web-Management page. You can
follow the steps below to complete the Quick Start.
Figure 3-3
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Step 1: C
Step 2: Configure the time for the modem router, and then click NEXT.
lick NEXT to continue.
Figure 3-4
Figure 3-5
Step 3: Select your country and ISP, and select your ISP Connection type (Here we take
PPPoE/PPPoA mode for example), and complete the corresponding settings with the
information provided by your ISP, then click the NEXT button.
Figure 3-6
10
Note:
Per FCC regulations, all Wi-Fi products marketed in the U.S. must be fixed to the U.S. region only.
Step 4: After finishing the Internet Settings, configure the rules for the WLAN, and click NEXT.
TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 3-7
Note:
If the Access Point is activated, the wireless function will be available even without the external
antenna because of an additional printed antenna. To adopt the wireless security protection
measures, please refer to 4.3.3 Wireless
Step 5: Click SAVE to finish the Quick Start.
.
Figure 3-8
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Chapter 4. Software Configuration
This User Guide recommends using the “Quick Installation Guide” for first-time installation. For
advanced users, if you want to know more about this device and make use of its functions
adequately, maybe you will get help from this chapter to configure the advanced settings through
the Web-based Utility.
After your successful login, you can configure and manage the device. There are main menus on
the top of the Web-based Utility; submenus will be available after you click one of the main menus.
On the center of the Web-based Utility, there are the detailed configurations or status information.
To apply any settings you have altered on the page, please click the SAVE button.
4.1 Status
Choose “Status”, you can see the next submenus: Device Info, System Log and Statistics.
Click any of them, and you will be able to configure the corresponding function.
Figure 4-1
Click any of them, and you will be able to view the corresponding information.
4.1.1 Device Info
Choose “Status→Device Info” menu, and you will be able to view the device information,
including LAN, WAN and ADSL. The information will vary depending on the settings of the modem
router configured on the Interface Setup screen.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-2
Note:
Click the other submenus System Log or Statistics in Figure 4-2, and you will be able to view the
system log and traffic statistics about the modem router.
4.1.2 System Log
Choose “Status→System Log” menu, and you will be able to query the logs of the modem router.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-3
The modem router can keep logs of all traffic. You can query the logs to find what happened to the
Router.
Click the CLEAR LOG button to clear the logs.
Click the SAVE LOG button to save the logs.
4.1.3 Statistics
Choose “Status→Statistics” menu, and you will be able to view the network traffic over Ethernet,
ADSL and WLAN.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-4
Interface: You can select Ethernet, ADSL and WLAN to view the corresponding network
traffic over different ports.
Select Ethernet, and you will see the statistics table as below.
Statistics Table:
Transmit
Statistics
Receive
Statistics
Transmit Frames
Transmit Multicast Frames
Transmit total Bytes
Transmit Collision
Transmit Error Frames
Receive Frames
Receive Multicast Frames
Receive total Bytes
Receive CRC Errors
The frames transmitted over the Ethernet port.
The multicast frames transmitted over the Ethernet
port.
The total bytes transmitted over the Ethernet port.
The collision occurred over the Ethernet port when
data is being transmitted.
The error frames over the Ethernet port when data is
being transmitted.
The frames received over the Ethernet port.
The multicast frames received over the Ethernet port.
The total bytes received over the Ethernet port.
The CRC errors occurred over the Ethernet port when
data is being received.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Receive Under-size Frames
The Under-size frames received over the Ethernet
port.
Select ADSL, and you will see the statistics table as below.
Statistics Table:
Transmit
Statistics
Receive
Statistics
Transmit total PDUs
Transmit total Error Counts
Receive total PDUs
Receive total Error Counts
The total PDUs transmitted over the ADSL port.
The total errors occurred over the ADSL port when data is
being transmitted.
The total PDUs transmitted over the ADSL port.
The total errors occurred over the ADSL port when data is
being received.
Select WLAN, and you will see the statistics table as below.
Statistics Table:
The frames transmitted over the WLAN when wireless data is being
transmitted.
The errors occurred over the WLAN when wireless data is being
transmitted.
The drops occurred over the WLAN when wireless data is being
transmitted.
The frames received over the WLAN when wireless data is being
transmitted.
The errors occurred over the WLAN when wireless data is being
received.
The drops occurred over the WLAN when wireless data is being
received.
Transmit
Statistics
Receive
Statistics
Tx Frames Count
Tx Errors Count
Tx Drops Count
Rx Frames Count
Rx Errors Count
Rx Drops Count
Click the REFRESH button to refresh immediately.
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
4.2 Quick Start
Please refer to 3.2 Login.
4.3 Interface Setup
Choose “Interface Setup”, you can see the next submenus:.
Figure 4-5
Click any of them, and you will be able to configure the corresponding function.
4.3.1 Internet
Choose “Interface Setup→Internet” menu, you can configure the parameters for WAN ports in
the next screen (shown in Figure 4-6).
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-6
ATM VC: ATM settings are used to connect to your ISP. Your ISP provides VPI (Virtual Path
Identifier), VCI (Virtual Channel Identifier) settings to you. In this Device, you can totally setup
8 VCs on different encapsulations, if you apply 8 different virtual circuits from your ISP. You
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TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
need to
setup each PVC traffic line's priority.
Virtual Circuit: Select the VC number you want to setup, PVC0~PVC7.
PVCs Summary: Click the button, and you can view the summary information about the
Status: If you want to use a designed VC, you should activate it.
VPI: Identifies the virtual path between endpoints in an ATM network. The valid range is
VCI: Identifies the virtual channel endpoints in an ATM network. The valid range is from
QoS: Select the Quality of Service types for this Virtual Circuit, including CBR (Constant
activate the VC to take effect. For PVCs management, you can use ATM QoS to
PVCs.
from 0 to 255. Please input the value provided by your ISP.
32 to 65535 (1 to 31 is reserved for well-known protocols). Please input the value
provided by your ISP.
Bit Rate), UBR (Unspecified Bit Rate) and VBR (Variable Bit Rate). These QoS types are
all controlled by the parameters specified below, including PCR (Peak Cell Rate), SCR
(Sustained Cell Rate) and MBS (Maximum Burst Size), please configure them according
to your needs.
4.3.1.1 IPv4
There are two IP versio
configuration below to configure the parameters for WAN ports.
Encapsulation: There are four connection types: Dynamic IP Address, Static IP Address,
PPPoA/PPPoE and Bridge Mode. Please choose the designed type that you want to use.
After that, you should follow the configuration below to proceed.
1) Dynamic IP Address
Select this option if your ISP provides you an IP address automatically. This option is typically
used for Cable services. Please enter the Dynamic IP information accordingly.
ns: IPv4 and IPv6. If you select IPv4 as IP version, please follow the
19
Encapsulation: Select the encapsulation mode for the Dynamic IP Address, you can leave it
default.
TD-W8901N 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-7
Bridge Interface: Activate the option, the modem router can also work in Bridge mode.
Default Route: If enable this function, the current PVC will be considered as the default
gateway to Internet from this device.
TCP MTU Option: Enter the TCP MTU as your desire. The default value is 1500.
IPv4 Address: If you select IPv4 as IP version, you should configure the following.
NAT: Select this option to Enable/Disable the NAT (Network Address Translation) function for
this VC. The NAT function can be activated or deactivated per PVC basis.
Dynamic Route: Select this option to specify the RIP (Routing Information protocol) version
for WAN interface, including RIP1, RIP2-B and RIP2-M. RIP2-B and RIP2-M are both sent in
RIP2 format, the difference is that RIP2-M using Multicast, while RIP2-B using Broadcast
format.
Direction: Select this option to specify the RIP direction. None is for disabling the RIP
function. Both means the ADSL modem router will periodically send routing information and
accept routing information, and then incorporate them into routing table. IN only means the
ADSL modem router will only accept but will not send RIP packet. OUT only means the ADSL
modem router will only send but will not accept RIP packet.
Multicast: Select IGMP version, or disable the function. IGMP (Internet Group Multicast
Protocol) is a session-layer protocol used to establish membership in a multicast group. The
ADSL ATU-R supports IGMP version 1 (IGMP v1), IGMP version 2 (IGMP v2) and IGMP
version 3 (IGMP v3). Select “Disabled” to disable it.
2) Static IP Address
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