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Page 146 / 168 Scroll up to view Page 141 - 145
Configure Advanced Features
146
AC1900, N900, and N450 WiFi
Cable Data Gateways
7.
Click the
Apply
button.
Your settings are saved.
Manage the Ethernet Ports of the LAN Switch
For devices that connect to the cable data gateway over an Ethernet cable, the cable data
gateway provides access to the LAN through a built-in 10/100/1000BASE-T Ethernet switch.
The switch ports automatically negotiate speed and duplex communication with any
connected device.
Change the Default Settings of the Ethernet Ports
If a connected LAN device does not autonegotiate correctly, you can change the default
setting for the Ethernet port. For information about port numbering, see the Back Panel
sections in
Chapter 1, Hardware Overview
.
To change the default settings of an Ethernet port:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup >
LAN Switch
.
The LAN Switch screen displays.
By default, the
Auto
check box is selected for all Ethernet ports.
Page 147 / 168
Configure Advanced Features
147
AC1900, N900, and N450 WiFi
Cable Data Gateways
6.
Clear the
Auto
check for the port for which you want to change the settings.
7.
Specify the speed in Mbps by selecting a radio button (
10
,
100
, or
1000
).
8.
Specify the duplex mode by selecting a radio button (
half
or
full
).
9.
Click the
Apply
button.
Your changes are saved.
Disable Access to an Ethernet Port
A situation might occur in which you want to disable access to an Ethernet port. For example,
you can disconnect a computer from the network without unplugging the cable. For
information about port numbering, see the Back Panel sections in
Chapter 1, Hardware
Overview
.
To disable access to an Ethernet port:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup >
LAN Switch
.
The LAN Switch screen displays.
6.
Clear the
Active
check for the port for which you want to disable access.
7.
Click the
Apply
button.
Your changes are saved.
Manage Network Time Protocol
Network Time Protocol (NTP) is a networking protocol that synchronizes clocks between
computer systems over data networks. The cable data gateway includes a real-time clock
(RTC), which it uses for scheduling. The cable data gateway regularly updates its RTC by
contacting one of the three NTP servers.
To manage NTP and NTP servers:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
Page 148 / 168
Configure Advanced Features
148
AC1900, N900, and N450 WiFi
Cable Data Gateways
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup >
NTP
.
The NTP screen displays.
By default, the
Enable NTP
check box is cleared and NTP is disabled.
6.
Select the
Enable NTP
check box.
You can either keep the default NTP servers or configure one or more custom NTP
servers.
7.
To configure custom NTP servers:
•
In the
Server 1
field, enter the IP address or Dynamic DNS name for the first NTP
server.
The first default NTP server is clock.via.net.
•
In the
Server 2
field, enter the IP address or Dynamic DNS name for the second NTP
server.
The second default NTP server is ntp.nasa.org.
•
In the
Server 3
field, enter the IP address or Dynamic DNS name for the third NTP
server.
The third default NTP server is tick.ucla.edu.
Page 149 / 168
Configure Advanced Features
149
AC1900, N900, and N450 WiFi
Cable Data Gateways
8.
Click the
Apply
button.
Your settings are saved.
Page 150 / 168
150
9
9.
Diagnostics and Troubleshooting
This chapter provides information to help you diagnose and solve problems that might occur with
the cable data gateway. If you do not find the solution here, contact Cox Support.
This chapter contains the following sections:
•
Perform Diagnostics
•
Quick Tips for Troubleshooting
•
Troubleshoot with the LEDs
•
Cannot Log In to the Cable Data Gateway
•
View and Manage the Event Log
•
Troubleshoot the Cable Internet Connection
•
Changes Not Saved
•
WiFi Connectivity
•
TCP/IP Network Not Responding

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