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Specify Your Internet Settings
46
Orbi
WiFi System
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:
-
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.
Note:
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.
To change the MTU size:
1.
Launch a web browser from a computer or mobile device that is connected to your Orbi
network.
2.
Enter
orbilogin.com
.
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
.
The WAN Setup page displays.
5.
In the
MTU Size
field, enter a value from 64 to 1500.
Page 47 / 151
Specify Your Internet Settings
47
Orbi
WiFi System
6.
Click the
Apply
button.
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 3.
Common MTU sizes
MTU
Application
1500
The largest Ethernet packet size. This setting is typical for connections that do not use
PPPoE or VPN, and is the default value for NETGEAR 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 send or receive 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.
Page 48 / 151
48
4
4.
Control Access to the Internet
The router comes with a built-in firewall that helps protect your home network from unwanted
intrusions from the Internet.
This chapter includes the following sections:
•
Set Up Parental Controls
•
Allow or Block Access to Your Network
•
Use Keywords to Block Internet Sites
•
Block Services From the Internet
•
Manage Network Access Control Lists
•
Schedule When to Block Internet Sites and Services
•
Set Up Security Event Email Notifications
Page 49 / 151
Control Access to the Internet
49
Orbi
WiFi System
Set Up Parental Controls
The first time that you select
Parental Controls
from the BASIC Home page, your browser
goes to the
Parental Controls
website. You can learn more about Parental Controls or
download the application.
After you set up and enable parental controls, you can change the web filtering level for each
device on the network through the network map page on the genie app.
To set up Parental Controls:
1.
Launch a web browser from a computer or mobile device that is connected to your Orbi
network.
2.
Enter
orbilogin.com
.
A login window opens.
3.
Enter the router admin 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
Parental Controls
.
The Live Parental Controls website opens.
5.
Click the button for the app or version that you want to download and use.
6.
Follow the onscreen instructions to download and install the genie app.
7.
Open the genie app and select
Parental Controls
.
After installation, Live Parental Controls automatically starts.
8.
Click the
Next
button, read the note, and click the
Next
button again to proceed.
Because Live Parental Controls uses free OpenDNS accounts, you are prompted to log
in or create a free account.
9.
Select a radio button as follows:
•
If you already own an OpenDNS account, leave the
Yes
radio button selected.
•
If you do not own an OpenDNS account, select the
No
radio button.
Page 50 / 151
Control Access to the Internet
50
Orbi
WiFi System
If you are creating an account, the Create a free OpenDNS account page displays.
Do the following:
a.
Complete the fields.
b.
Click the
Next
button.
After you log on or create your account, the filtering level page displays.
10.
Select a radio button for a filtering level and click the
Next
button.
The Setup is complete.
11.
Click the
Take me to the status page
button.
The Status page displays. Parental Controls are now set up for the router.
12.
To enable Parental Controls, click the
Enable Live Parental Controls
button.
Allow or Block Access to Your Network
You can use access control to block access to your network.
To set up access control:
1.
Launch a web browser from a computer or mobile device that is connected to your Orbi
network.
2.
Enter
orbilogin.com
.
A login window opens.
3.
Enter the router admin 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 > Security > Access Control
.
The Access Control page displays.
5.
Select the
Turn on Access Control
check box.

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