Netgear R7500v2 Nighthawk Dual Band Gigabit Wireless Router 802 11ac User Manual

							reestablish the connection immediately after the PPPoE connection becomes available
again.
9.Select an IP Address Assignment radio button:
•Use DHCP Server.This method passes more information to LAN devices but some IPv6 systems
might not support the DHCv6 client function.
•Auto Config.This is the default setting.
This setting specifies how the router assigns IPv6 addresses to the devices on your home network
(the LAN).
10.(Optional) Select the Use This Interface ID check box and specify the interface ID to be used for the
IPv6 address of the router’s LAN interface.
If you do not specify an ID here, the router generates one automatically from its MAC address.
11.Click the Apply button.
Your settings are saved.
Change the MTU Size
The maximum transmission unit (MTU) is the largest data packet a network device transmits.When one
network device communicates across the Internet with another, the data packets travel through many
devices along the way. If a device in the data path uses a lower MTU setting than the other devices, the
data packets must be split or “fragmented” to accommodate the device with the smallest MTU.
The best MTU setting for NETGEAR equipment is often the default value. In some situations, changing
the value fixes one problem but causes another. Leave the MTU unchanged unless one of these situations
occurs:
•You experience problems connecting to your ISP or other Internet service, and the technical support
of either the ISP or NETGEAR recommends changing the MTU setting.These web-based applications
might require an MTU change:
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							•A secure website that does not open, or displays only part of a web page
•Yahoo email
•MSN portal
•America Online’s DSL service
•You use VPN and experience severe performance problems.
•You used a program to optimize MTU for performance reasons and now you are experiencing
connectivity or performance problems.
An incorrect MTU setting can cause Internet communication problems. For example,
you might not be able to access certain websites, frames within websites, secure
login pages, or FTP or POP servers.
Note
To change the MTU size:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net .
A login window opens.
3.Enter the router user name and password.
The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select ADVANCED > Setup > WAN Setup.
5.In the MTU Size field, enter a value from 64 to 1500.
6.Click the Apply button.
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							Your settings are saved.
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 2. Common MTU sizes
ApplicationMTU
The largest Ethernet packet size.This setting is typical for connections that do not
use PPPoE or VPN and is the default value for NETGEARrouters, adapters, and
switches.
1500
Used in PPPoE environments.1492
Maximum size to use for pinging. (Larger packets are fragmented.)1472
Used in some DHCP environments.1468
Usable by AOL if you do not send or receive large email attachments, for example.1460
Used in PPTP environments or with VPN.1436
Maximum size for AOL DSL.1400
Typical value to connect to dial-up ISPs.576
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							4
Optimize Performance
You can set up the router to optimize performance for applications such as Internet gaming, high definition
video streaming, and VoIP communication. By default, the router uses Wi-Fi Multimedia Quality of Service
(WMM QoS).
This chapter contains the following sections:
•Use Dynamic QoS to Optimize Internet Traffic Management on page 45
•Improve Network Connections With Universal Plug and Play on page 48
•Wi-Fi Multimedia Quality of Service on page 49
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							Use Dynamic QoS to Optimize Internet Traffic Management
Dynamic Quality of Service (QoS) helps improve your router’s Internet traffic management capabilities
through better application and device identification, bandwidth allocation, and traffic prioritization techniques.
Dynamic QoS resolves traffic congestion when the Internet bandwidth is limited and different demands
compete for bandwidth.
If your Internet download and upload speed is 250 Mbps or less and you like gaming and streaming video,
then you can benefit from enabling Dynamic QoS.
If you use a Gigabit Internet connection, or your Internet download and upload speed
is 300 Mbps or faster, then you don’t need to use Dynamic QoS.
Note
Figure 8. Dynamic QoS optimizes Internet traffic by prioritizing competing demands
If you use a Gigabit Internet connection (300 Mbps throughput or faster), then you don’t
need to use QoS.
Note
Enable Dynamic QoS
Because not everyone uses Dynamic QoS, it is disabled by default.
To enable Dynamic QoS:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net.
A login window opens.
3.Enter the router user name and password.
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							The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select Quality of Service.
The QoS Setup page displays.
5.Select the Dynamic QoS check box.
6.Specify your Internet bandwidth.
You must specify your Internet bandwidth so that Dynamic QoS can perform bandwidth allocation and
traffic prioritization. NETGEAR recommends that you use Speedtest to detect your Internet bandwidth.
To use Speedtest, do the following:
a.For more accurate Speedtest results, make sure that no other devices are accessing the Internet.
b.Click the Speedtest button.
Speedtest determines your Internet bandwidth.
7.Click the Apply button.
Your settings are saved.
A link displays on the bottom of the page to view bandwidth utilization. Clicking the link displays the
Attached Devices page. For more information, see View Devices Currently on the Network on page
118.
Enable or Disable the Automatic QoS Database Update
The router uses a QoS database of the most popular applications and services to implement Dynamic
QoS. By default, the router automatically updates this database.You can turn off this feature and manually
update the database.
To enable or disable the automatic Dynamic QoS database update:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net.
A login window opens.
3.Enter the router user name and password.
The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select Quality of Service.
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							The QoS Setup page displays.
If you are using Dynamic QoS, the Dynamic QoS check box is selected.
5.Select or clear the Automatically update performance optimization database check box.
6.Click the Apply button.
Your settings are saved.
Manually Update the Dynamic QoS Database
The router uses a QoS database of the most popular applications and services to implement Dynamic
QoS. By default, the router automatically updates this database when you enable Dynamic QoS, but if
you turned off the automatic update feature, you can manually update the database.
To manually update the Dynamic QoS database:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net.
A login window opens.
3.Enter the router user name and password.
The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select Quality of Service.
The QoS Setup page displays. If you are using Dynamic QoS, the Dynamic QoS check box is selected.
5.Click the Update Now button.
The router checks for the newest version of the database and downloads it.
6.Click the Apply button.
Your settings are saved.
Participate in Dynamic QoS Analytics
NETGEAR uses a QoS database of the most popular applications and services to implement Dynamic
QoS. As new applications and services become popular, NETGEAR updates this database and
automatically updates your router if you enabled Dynamic QoS.You can opt in to share aggregate QoS
information to help improve the Dynamic QoS feature.
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							To opt in to participate in Dynamic QoS analytics:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net.
A login window opens.
3.Enter the router user name and password.
The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select Quality of Service.
The QoS Setup page displays.
5.Make sure that the you have enabled Dynamic QoS.
For more information about enabling Dynamic QoS, see Enable Dynamic QoS on page 45.
6.Select the Help improve the Dynamic QoS feature by sharing analytics with NETGEAR check
box.
A pop-up screen displays detailed information about sharing analytics.The Yes radio button is selected
by default.
7.After you read the information, click the Submit button.
8.Click the Apply button.
Your settings are saved.
Improve Network Connections With Universal Plug and Play
Universal Plug and Play (UPnP) helps devices such as Internet appliances and computers, access the
network and connect to other devices as needed. UPnP devices can automatically discover the services
from other registered UPnP devices on the network.
If you use applications such as multiplayer gaming, peer-to-peer connections, or real-time communications
such as instant messaging or remote assistance (a feature in Windows XP), enable UPnP.
To enable Universal Plug and Play:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net .
A login window opens.
3.Enter the router user name and password.
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							The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select ADVANCED > Advanced Setup > UPnP.
The UPnP page displays.
5.Select the Turn UPnP On check box.
By default, this check box is selected. UPnP for automatic device configuration can be enabled or
disabled. If the Turn UPnP On check box is cleared, the router does not allow any device to
automatically control router resources, such as port forwarding.
6.Type the advertisement period in minutes.
The advertisement period specifies how often the router broadcasts its UPnP information.This value
can range from 1 to 1440 minutes.The default period is 30 minutes. Shorter durations ensure that
control points receive current device status at the expense of more network traffic. Longer durations
can compromise the freshness of the device status but can significantly reduce network traffic.
7.Type the advertisement time to live in hops.
The time to live for the advertisement is measured in hops (steps) for each UPnP packet sent. Hops
are the steps a packet takes between routers.The number of hops can range from 1 to 255.The
default value for the advertisement time to live is 4 hops, which should be fine for most home networks.
If you notice that some devices are not being updated or reached correctly, it might be necessary to
increase this value.
8.Click the Apply button.
The UPnP Portmap Table displays the IP address of each UPnP device that is accessing the router
and which ports (internal and external) that device opened.The UPnP Portmap Table also displays
what type of port is open and whether that port is still active for each IP address.
To refresh the information in the UPnP Portmap Table, click the Refresh button.
Wi-Fi Multimedia Quality of Service
Wi-Fi Multimedia Quality of Service (WMM QoS) prioritizes wireless voice and video traffic over the WiFi
link.WMM QoS is automatically enabled for the router.
WMM QoS prioritizes 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, WMM
must be enabled for both it and the client running that application. Legacy applications that do not support
WMM and applications that do not require QoS are assigned to the best effort category, which receives
a lower priority than voice and video.
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							To disable WMM QoS:
1.Launch a web browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net.
A login window opens.
3.Enter the router user name and password.
The user name is admin.The default password is password.The user name and password are
case-sensitive.
The BASIC Home page displays.
4.Select ADVANCED > Setup > QoS Setup.
The Quality of Service page displays.
5.Click the WMM tab.
6.Clear the Enable WMM (Wi-Fi multimedia) settings (2.4 GHz b/g/n) check box.
7.Clear the Enable WMM (Wi-Fi multimedia) settings (5 GHz b/g/n) check box.
8.Click the Apply button.
Your changes are saved.
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