Netgear Dgnd3700v2 N600 Wireless Dual Band Gigabit Adsl2 Plus Modem Router User Manual

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 N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2
-
MSN portal
- America Online’
 s DSL service
• Y
ou use VPN and have severe performance problems.
•Y
ou used a program to optimize MTU for performance reasons, and now you h\
ave 
connectivity or performance problems.
Note: An incorrect MTU setting can cause Internet communication problems 
such as the inability to access certain websites, frames within 
websites, secure login pages, or FTP or POP servers.
If you suspect an MTU problem, a common solution is to change the MTU to\
 1400. If you are 
willing to experiment, you can gradually reduce the MTU from the maximum\
 value of 1500 
until the problem goes away
 . The following table describes common MTU sizes and 
applications. 
Table 11.  Common MTU sizes   
MTUApplication
1500 The largest Ethernet packet size and the default value. This is the typical setting for 
non-PPPoE, non-VPN connections, and is the default value for NETGEAR wir\
eless 
modem routers, adapters, and switches.
1492 Used in PPPoE environments.
1472 Maximum size to use for pinging. (Larger packets are fragmented.)
1468 Used in some DHCP environments.
1460 Usable by AOL if you do not have large email attachments, for example.
1436 Used in PPTP environments or with VPN.
1400 Maximum size for AOL DSL.
576 Typical value to connect to dial-up ISPs.
 
To change the MTU size:
1. Select  Advanced > Setup > W
 AN Setup. 
2.  In the MTU Size field, enter a new size between 64 and 1500.
3.  Click  Apply to save the settings. 
						

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LAN Setup
The LAN Setup screen allows configuration of LAN IP services such as Dyn\
amic Host 
Configuration Protocol (DHCP) and Routing Information Protocol (RIP)\
.
The wireless modem router is shipped preconfigured to use private IP add\
resses on the LAN  side and to act as a DHCP server
 . The wireless modem router’s default LAN IP configuration 
is:
• LAN IP address. 192.168.1.1
• Subnet mask. 255.255.255.0
These addresses are part of the designated private address range for use\
 in private networks  and should be suitable for most applications. If your network has a requ\
irement to use a 
dif

ferent IP addressing scheme, you can make those changes in the LAN Setup\
 screen.
To change the LAN settings:
Note: If you change the LAN IP address of the wireless modem router while 
connected through the browser, you will be disconnected. You will 
have to open a new connection to the new IP address and log in 
again.
1.  Select  Advanced > Setup > LAN Setup to display the following screen:
2. Enter the settings that you want to customize. These settings are described in the following 
section,  LAN Setup Screen Settings.
3.  Click  Apply  to save your changes. 
						

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LAN Setup Screen Settings
LAN TCP/IP Setup
•IP Address. The LAN IP address of the wireless modem router.
•IP Subnet Mask. The LAN subnet mask of the wireless modem router. Combined with 
the IP address, the IP subnet mask allows a device to know which other addresses are 
local to it, and which have to be reached through a gateway or wireless modem router.
•RIP Direction. Router Information Protocol (RIP) allows a router to exchange routing 
information with other routers. This setting controls how the router sends and receives 
RIP packets. Both is the default setting. With the Both or Out Only setting, the router 
broadcasts its routing table periodically. With the Both or In Only setting, the router 
incorporates the RIP information that it receives.
•RIP Version. This controls the format and the broadcasting method of the RIP packets 
that the wireless modem router sends. It recognizes both formats when receiving. By 
default, the RIP function is disabled. 
-RIP-1 is universally supported. It is adequate for most networks, unless you have an 
unusual network setup. 
-RIP-2 carries more information. Both RIP-2B and RIP-2M send the routing data in 
RIP-2 format. RIP-2B uses subnet broadcasting. RIP-2M uses multicasting.
Use Router as a DHCP Server 
This check box is usually selected so that the wireless modem router functions as a Dynamic 
Host Configuration Protocol (DHCP) server. 
•Starting IP Address. Specify the start of the range for the pool of IP addresses in the 
same subnet as the wireless modem router.
•Ending IP Address. Specify the end of the range for the pool of IP addresses in the 
same subnet as the wireless modem router.
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer receives 
the same IP address each time it accesses the wireless modem router’s DHCP server. 
Assign reserved IP addresses to servers that require permanent IP settings. 
Use the Wireless Modem Router as a DHCP Server
By default, the wireless modem router functions as a DHCP server, allowing it to assign IP, 
DNS server, and default gateway addresses to all computers connected to the wireless 
modem router’s LAN. The assigned default gateway address is the LAN address of the 
wireless modem router. The wireless modem router assigns IP addresses to the attached 
computers from a pool of addresses specified in this screen. Each pool address is tested 
before it is assigned to avoid duplicate addresses on the LAN. For most applications, the 
default DHCP and TCP/IP settings of the wireless modem router are satisfactory.  
						

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54 N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2 
You can specify the pool of IP addresses to be assigned by setting the starting IP address 
and ending IP address. These addresses should be part of the same IP address subnet as 
the wireless modem router’s LAN IP address. Using the default addressing scheme, you 
should define a range between 192.168.1.2 and 192.168.1.254, although you might want to 
save part of the range for devices with fixed addresses.
The wireless modem router delivers the following parameters to any LAN device that 
requests DHCP:
•An IP address from the range that you have defined
•Subnet mask
•Gateway IP address (the wireless modem router’s LAN IP address)
•DNS server IP address (the wireless modem router’s LAN IP address)
To use another device on your network as the DHCP server, or to manually configure the 
network settings of all of your computers, clear the Use Router as DHCP Server check box 
and click Apply. Otherwise, leave this check box selected. If this service is not enabled and 
no other DHCP server is available on your network, you need to set your computers’ IP 
addresses manually or they will not be able to access the wireless modem router.
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer always 
receives the same IP address each time it accesses the wireless modem router’s DHCP 
server. Reserved IP addresses should be assigned to computers or servers that require 
permanent IP settings. 
To reserve an IP address: 
1. In the Address Reservation section of the screen, click the Add button. 
2. In the IP Address field, type the IP address to assign to the computer or server. (Choose an 
IP address from the wireless modem router’s LAN subnet, such as 192.168.1.x.) 
3. Type the MAC address of the computer or server.
Tip:If the computer is already on your network, you can copy its MAC 
address from the Attached Devices screen and paste it here.
4. Click Apply to enter the reserved address into the table. 
The reserved address is not assigned until the next time the computer contacts the 
wireless modem router’s DHCP server. Reboot the computer or access its IP 
configuration and force a DHCP release and renew.
To edit or delete a reserved address entry, select the radio button next to the reserved 
address you want to edit or delete. Then click Edit or Delete. 
						

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Quality of Service (QoS) Setup
QoS is an advanced feature that can be used to prioritize some types of \
traffic ahead of 
others. The N600 Modem Router can provide QoS prioritization over the wireless l\
ink and on 
the Internet connection. To configure QoS, use the QoS Setup screen. 
Select 
Advanced > Setup > QoS Setup to display the following screen: 
Enable WMM QoS for Wireless Multimedia Applications
The N600 Modem Router supports Wi-Fi Multimedia Quality of Service (WMM\
 QoS) to 
prioritize wireless voice and video traffic over the wireless link. WMM QoS provides 
prioritization of wireless data packets from different applications based on four access 
categories: voice, video, best effort, and background. For an application to receive the 
benefits of WMM QoS, both it and the client running that application hav\
e to have WMM 
enabled. Legacy applications that do not support WMM and applications th\
at do not require 
QoS are assigned to the best effort category, which receives a lower priority than voice and 
video. 
WMM QoS is enabled by default. You can disable it in the QoS Setup screen by clearing the 
Enable WMM check box and clicking  Apply.
Set Up QoS for Internet Access
You can give prioritized Internet access to the following types of traffic:
• Specific applications
• Specific online games
• Individual Ethernet LAN ports of the wireless modem router
• A specific device by MAC address 
						

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To specify prioritization of traffic, you have to create a policy for the type of traffic and add the 
policy to the QoS Policy table in the QoS Setup screen. For convenience,\
 the QoS Policy 
table lists many common applications and online games that can benefit f\
rom QoS handling.
QoS for Applications and Online Gaming
To create a QoS policy for applications and online games:
1.  In the QoS Setup screen, select the T
 urn Internet Access QoS On check box.
2.  Click the  Setup QoS rule  button to see the existing priority rules. On this screen you can 
edit or delete a rule by selecting its radio button and clicking either \
the  Edit or Delete button. 
Y

ou can also delete all of the rules by simply clicking the  Delete All button.
3. To add a priority rule, scroll down to the bottom of the QoS Setup screen\
 and click  Add 
Priority Rule to display the following screen: 
						

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4. 
In the QoS Policy for field, type the name of the application or game.
5.  In the Priority Category list, select either  Applications or Online Gaming. In either case, a 
list of applications or games displays in the list.
6.  Y
ou can select an existing item from the list, or you can scroll and sele\
ct  Add a New 
Application or  Add a New Game, as applicable. 
a. If you add a new entry
 , the QoS - Priority Rules screen expands as shown: 
b. In the QoS Policy for field, enter a descriptive name for the new applic\
ation or game.
c.  In the Connection 
 Type list, select either  TCP, UDP, or both (TCP/UDP), and specify 
the port number or range of port numbers used by the application or game\
.
7.  From the Priority list, select the priority that this traf
 fic should receive relative to other 
applications and traffic when accessing the Internet. The options are Low, Normal, High, and 
Highest.
8.  Click  Apply to save this rule to the QoS Policy list and return to the QoS Setup sc\
reen.
QoS for a Wireless Modem Router LAN Port
To create a QoS policy for a device connected to one of the wireless mode\
m router’s 
LAN ports:
1. Select  Advanced > Setup > QoS Setup  to display the QoS Setup screen. Select the 
T
 urn Internet Access QoS On  check box.
2.  Click the  Setup QoS Rule button.
3.  Click the  Add Priority Rule button. 
						

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N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2 
4. 
From the Priority Category list, select  Ethernet LAN Port, as shown in the following figure:
5. From the LAN port list, select the LAN port that will have a QoS policy.
6.  From the Priority list, select the priority that this port’
 s traffic should receive relative to other 
applications and traffic when accessing the Internet. The options are Low, Normal, High, and 
Highest.
7.  Click  Apply  to save this rule to the QoS Policy list and return to the QoS Setup sc\
reen.
8.  In the QoS Setup screen, click  Apply.
QoS for a MAC Address
To create a QoS policy for traffic from a specific MAC address:
1. Select  Advanced > Setup > QoS Setup , and click the Setup QoS Rule button. 
 The 
QoS Setup screen displays.
2.  Click  Add Priority Rule.  
						

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3. 
From the Priority Category list, select  MAC Address to display the following screen:
4. If the device to be prioritized appears in the MAC Device List, select i\
ts radio button. The 
information from the MAC Device List populates the policy name, MAC Address, and Device 
Name fields. If the device does not appear in the MAC Device List, click\
  Refresh. If it still 
does not appear, you have to complete these fields manually. 
5.  From the Priority list, select the priority that this device’
 s traffic should receive relative to 
other applications and traffic when accessing the Internet. The options are Low, Normal, 
High, and Highest. Click  Add to add this rule to MAC Device List.
6.  Click  Apply to save this rule to the QoS Policy list and return to the QoS Setup sc\
reen.
7.  In the QoS Setup screen, select the  T
 urn Internet Access QoS On check box.
8.  Click  Apply .
Edit or Delete an Existing QoS Policy
To edit or delete a QoS policy:
1. Select  Advanced > QoS Setup to display the QoS Setup screen.
2.  Select the radio button next to the QoS policy to be edited or deleted, \
and do one of the 
following:
• Click Delete to remove the QoS policy
 .
• Click Edit to edit the QoS policy
 . Follow the instructions in the preceding sections to 
change the policy settings.
3.  Click  Apply in the QoS Setup screen to save your changes. 
						

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5
5.   USB Storage
Access and configure a USB storage drive
This chapter describes how to access and configure a USB storage drive attached to your 
wireless modem router. Be aware that the USB port on the wireless modem router can be used 
to connect only to USB storage devices like flash drives or hard drives. Do not connect 
computers, USB modems, printers, CD drives, or DVD drives to the wireless modem router USB 
port.
This chapter contains the following sections:
•USB Drive Requirements 
•ReadySHARE Access 
•File-Sharing Scenarios  
•USB Storage Basic Settings  
•USB Storage Advanced Settings  
•Safely Remove a USB Drive 
•Media Server Settings 
•Specify Approved USB Devices 
•Connect to the USB Drive from a Remote Computer