Netgear C6220 Docsis 3 0 High Speed Wifi Cable Modem Router User Manual

Specify Internet Port Settings 91
 AC1200 WiFi Cable Modem Router Model C6220
Add a Port Triggering Service
To add a port triggering service:
1. 
Launch a web browser from a WiFi-enabled computer or mobile device that \
is 
connected to the network.
2.  T
ype  http://routerlogin.net  or http://192.168.0.1.
A login window opens.
3.  Enter the modem 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...

Specify Internet Port Settings 
92 AC1200 WiFi Cable Modem Router Model C6220 
8. In the Service User menu, select a user option:
•Any (the default) allows any computer on the Internet to use this service. 
•Single address restricts the service to a particular computer. 
9. Select the service type, either TCP or UDP or TCP/UDP (both). 
If you are not sure, select TCP/UDP.
10. In the Triggering Port field, enter the number of the outbound traffic port that will open the 
inbound ports. 
11. In the...

Specify Internet Port Settings 93
 AC1200 WiFi Cable Modem Router Model C6220
5. 
Select the Port Triggering  radio button.
6. Select a radio button to specify when you want to use port triggering:
• Never . 
The modem router does not use port triggering even if you specified port\
 
triggering settings.
• Always . 
 Always use port triggering.
7.  In the Port T
 riggering Timeout  field, enter a value up to 9999 minutes. 
This value controls how long the inbound ports stay open when the modem \
router...

Specify Internet Port Settings 
94 AC1200 WiFi Cable Modem Router Model C6220 
4. Noting your port triggering rule and observing the destination port number of 6667, your 
modem router creates another session entry to send any incoming port 113 traffic to your 
computer.
5. The IRC server sends a return message to your modem router using the NAT-assigned 
source port (for example, port 33333) as the destination port. The IRC server also sends an 
“identify” message to your modem router with destination...

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9
9.   Troubleshooting
This chapter gives information about troubleshooting your modem router. 
The chapter includes the following sections:
•Use LEDs to Troubleshoot 
•Cannot Log In to the Modem Router 
•Troubleshoot the ISP Connection 
•Troubleshoot a TCP/IP Network Using a Ping Utility 
Tip:NETGEAR provides helpful articles, documentation, and the latest 
software updates at 
support.netgear.com. 

Troubleshooting 96
AC1200 WiFi Cable Modem Router Model C6220 
Use LEDs to Troubleshoot
The following table provides help when using the LEDs for troubleshootin\
g.
Table 3.  LED troubleshooting
LED BehaviorAction
All LEDs are off when the modem  router is plugged in. • 
Make sure that the power cord is properly connected to your 
modem router and that the power adapter is properly connected to 
a functioning power outlet. 
•  Check to see that you are using the 12 VDC power adapter from 
NETGEAR for...

Troubleshooting 
97  AC1200 WiFi Cable Modem Router Model C6220
•Make sure that your computer’s IP address is on the same subnet as the modem router. 
If you are using the recommended addressing scheme, the address of your computer is 
in the range of 192.168.0.02 to 192.168.0.254. 
Note:If the IP address of your computer is shown as 169.254.x.x: 
Recent versions of Windows and Mac OS generate and assign an IP 
address when the computer cannot reach a DHCP server. These 
autogenerated addresses are in...

Troubleshooting 
98 AC1200 WiFi Cable Modem Router Model C6220 
Use PIng to Test the LAN Path to Your Gateway
You can use ping to verify that the LAN path to your modem router is set up correctly.
To ping the modem router from a computer:
1. From the Windows toolbar, click the Start button and select Run.
2. In the field that is provided, type ping and then the IP address of the modem router, as in 
this example:
ping 192.168.0.1
3. Click OK.
You see a message like the following:
Pinging  with 32 bytes...

Troubleshooting 
99  AC1200 WiFi Cable Modem Router Model C6220
2. In the field that is provided, type ping and then the IP address of the remote device such as 
the DNS server of your ISP.
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
3. If you do not receive this reply, do the following:
•Make sure that the Internet LED is lit.
•If your ISP assigned a host name to your computer, enter that host name as the 
account name on the Internet Setup page....

100
A
A.   Supplemental Information
This appendix includes the following sections.
•Factory Default Settings 
•Technical Specifications