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= <sup><u>'''Cable Troubleshooting'''</u></sup> =
= <sup><u>'''Cable Troubleshooting'''</u></sup> =
Welcome to the troubleshooting page for NCF cable modems. You can learn how to resolve typical problems with a cable modems by reading these articles. guiding you through the process of resolving some typical issues that you might encounter on your own.
Welcome to the troubleshooting page for cable modems. You can learn how to resolve typical problems with cable modems by reading these articles, guiding you through the process of resolving some typical issues that you might encounter on your own.


= '''<u>Common fixes for Cable modems</u>''' =
= '''<u>Common fixes for Cable modems</u>''' =
If you experience frequent disconnections of your Internet connection, there’s a few things you need to check or do.
If you experience frequent disconnections of your Internet connection, there’s a few things you can do or check.


1.'''<u>Power off or Restart your modem</u>'''
1.'''<u>Power off or Restart your modem</u>'''


Perform a power cycle, by unplug your modem from the wall for a duration of 30 seconds. Sometimes your cable modem may require a restart.
Perform a power cycle, by unplugging your modem from the wall for a duration of 30 seconds. Sometimes your cable modem may require a restart.
 
Restarting your modem may fix some Internet connection issues, improve slow connections, and resolve frequent wireless issues.  Best way to reboot a modem, unplug its power and Ethernet wires.


2.'''<u>Check the Coaxial cable</u>'''
2.'''<u>Check the Coaxial cable</u>'''
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Check to determine if the Ethernet connections at the modem and the Ethernet port on your device are secure
Check to determine if the Ethernet connections at the modem and the Ethernet port on your device are secure


 
'''If the first three methods do not work and your modem is not damaged in any way, try a factory reset.'''
'''If the first two methods do not work and your modem is not damaged in any way, try a factory reset.'''
 
 




== '''<u>Factory Reset</u>''' ==
== '''<u>Factory Reset</u>''' ==
When performing a factory reset, on a CODA-4680 returns to default settings, losing all user-configured settings and returning to its initial configuration state.  
When performing a factory reset, on a CODA-4680 returns to default settings, losing all user-configured settings and returning to its initial configuration state.  




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Select '''Admin''', choose '''Device Reset''' tab, and select the '''Factory Reset''' button'''.'''
Select '''Admin''', choose '''Device Reset''' tab, and select the '''Factory Reset''' button'''.'''


[[File:Cable factory.png|thumb|918x918px|Factory Reset]]
[[File:Cable factory.png|thumb|669x669px|Factory Reset]]




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'''<u>Method Two</u>'''
'''<u>Method Two</u>'''


Using a pin or pencil tip, press and hold the '''RESET''' button at the back of the modem for at least 30 seconds, it will take about 5 to 10 minutes for the CODA-4680 to reboot its self.
Using a pin or pencil tip, press and hold the '''RESET''' button at the back of the modem for at least 30 seconds, it will take about 5 to 10 minutes for the CODA-4680 to reboot itself.


[[File:Hard reset.png|thumb|448x448px|Factory Rest Button]]
[[File:Hard reset.png|thumb|427x427px|Factory Rest Button]]




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Once the modem has rebooted its self which will take 5 to 10 minutes, If using wifi connect a device to the modem's EasyConnect Wi-Fi network. The EasyConnect Wi-Fi network only connects your device to the modem, it will not connect your device to the internet. The EasyConnect Wi-Fi network name and password is specific to your modem, and can be found on the label on the back of the modem. It takes the form of:
If using wifi connect a device to the modem's EasyConnect Wi-Fi network. The EasyConnect Wi-Fi network only connects your device to the modem, it will not connect your device to the internet. The EasyConnect Wi-Fi network name and password is specific to your modem, and can be found on the label on the back of the modem. It takes the form of:


Default Wi-Fi Network: CODAXXXXX-EasyConnect (XXXXX is a series of numbers)
Default Wi-Fi Network: CODAXXXXX-EasyConnect (XXXXX is a series of numbers)
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If the test is successful, the Quick Setup will confirm that your modem is connected to the internet. Select '''Setup Wi-Fi''' to configure the Wi-Fi network name and password you wish to use. If the test is not successful, you will not be able to provide with the Quick Setup. Check the light pattern on the Hitron COD-4680, or turn it off, reconnect the coaxial cable, and try the Quick Setup again.
If the test is successful, the Quick Setup will confirm that your modem is connected to your modem. Select '''Setup Wi-Fi''' to configure the Wi-Fi network name and password you wish to use. If the test is not successful, you will not be able to provide with the Quick Setup. Check the light pattern on the Hitron COD-4680, or turn it off, reconnect the coaxial cable, and try the Quick Setup again.


[[File:Test.png|thumb|522x522px]]
[[File:Test.png|thumb|522x522px]]
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[[File:Wifi1.png|thumb|608x608px]]
 
[[File:Wifi1.png|thumb|503x503px]]




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'''Ping''' test and '''Traceroute''' are useful for validating the status of a networked device. It can also assist in detecting latency, routing, or congestion issues between two devices communicating over a network.
Occasionally the NCF Help Desk might request a member to provide information from their modem. That will help NCF and TekSavvy understand what's going on with the line or modem. '''Ping''' test, '''traceroute''', and '''modem logs''' are the three most common ways that NCF may request. A ping test will tell us whether the network connection between the source and target is working properly. A traceroute is a tool for detecting response delays and routing loops in network paths between packet switching nodes. Modem logs are a way that NCF and TekSavvy can look at the signal strengths to determine if there is an issue with the modem or line. NCF Help Desk will sometimes request that a member provide screenshots to be sent to support@ncf.ca.


=== '''<u>Ping test</u>''' ===
=== '''<u>Ping test</u>''' ===
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==== '''<u>Traceroute</u>''' ====
==== '''<u>Traceroute</u>''' ====
Login to the modem using a web Interface
Login to the modem using a web Interface


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==== '''<u>Modem Logs</u>''' ====
==== '''<u>Modem Logs</u>''' ====
Help desk will occasionally request screenshots of your modem logs. These logs provide a clearer insight of what is happening with your modem. Follow  the steps below:
Login to the modem using a web Interface
Login to the modem using a web Interface


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==== '''<u>How to change your DNS settings</u>''' ====
==== '''<u>How to change your DNS settings</u>''' ====


Login to the modem using a web Interface
Login to the modem using a web Interface
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'''Once changes have been saved power cycle the modem.'''
'''Once changes have been saved power cycle the modem.'''




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=== '''<u>Signal Strength problems</u>''' ===
=== '''<u>Signal Strength problems</u>''' ===
If you have a strong, solid signal in some parts of your home but not in others, then obstructions or distance could be playing a role.
If you have a strong, solid signal in some parts of your home but not in others, then obstructions or distance could be playing a role.


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== '''<u>Common Fixes For WiFi</u>''' ==
== '''<u>Common Fixes For WiFi</u>''' ==
=== Using Wi-Fi Analyzers ===
When troubleshooting inference on Wi-Fi networks (especially 2.4 GHz) it is good to first check to see which channels are busiest in your vicinity. Click on the link below that will take you to a page with recommendations and how to use Wi-Fi analyzers.
https://help.ncf.ca/Cable_test_page?veaction=edit




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Changing the wifi channels for 2.4 bandwidth
Changing the wifi channels for 2.4 bandwidth


Connect to your modem using a wired Ethernet cable or join your Wireless network
[[File:Wifichannels.png|thumb|529x529px|Wifi channels]]'''<u>2.4 Bandwidth</u>'''
 


Step 1


'''<u>2.4 Bandwidth</u>'''
Step 1
[[File:Wifichannels.png|thumb|564x564px|Wifi channels]]
Login to the modem using a web Interface
Login to the modem using a web Interface


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Step 5
Step 5


Change the '''wireless channel''' from auto to any of the channels in the drop down menu choose channels '''1, 11, or 6'''. Try to pick the emptiest of the three, try using a Wi-Fi Analyzer as your guide if your able to.
Change the '''wireless channel''' from auto to any of the channels in the drop down menu choose channels '''1, 11, or 6'''. Try to pick the emptiest of the three, try using a Wi-Fi Analyzer as your guide if you're able to.


Step 6
Step 6
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'''<u>5G bandwidth</u>'''  
'''<u>5G bandwidth</u>'''  


 
[[File:5wifichannels.png|thumb|578x578px]]Step 1
 
Step 1


Login to the modem using a web Interface
Login to the modem using a web Interface
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You will be asked to enter username: '''cusadmin''' and password:<'''the Wi-Fi network password that you configured in the Quick Setup'''>
You will be asked to enter username: '''cusadmin''' and password:<'''the Wi-Fi network password that you configured in the Quick Setup'''>
[[File:5wifichannels.png|thumb|578x578px]]
 
Step 3
Step 3


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Enter <nowiki>http://192.168.0.1</nowiki> into the address bar in your web browser '''Chrome''', '''Firefox''' or '''Safari'''
Enter <nowiki>http://192.168.0.1</nowiki> into the address bar in your web browser '''Chrome''', '''Firefox''' or '''Safari'''




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You will be asked to enter username: '''cusadmin''' and password:<'''the Wi-Fi network password that you configured in the Quick Setup>'''[[File:Bands.png|thumb|567x567px]]
You will be asked to enter username: '''cusadmin''' and password:<'''the Wi-Fi network password that you configured in the Quick Setup>'''[[File:Bands.png|thumb|567x567px]]


'''Step 3:'''
'''Step 3:'''
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* Click on '''wireless'''
* Click on '''wireless'''
Both the '''2.4G''' and '''5G''' the '''Network Name (SSID)''' can be adjusted so it is unique for each (ie add 5g after the 5GHz
Both the '''2.4G''' and '''5G''' the '''Network Name (SSID)''' can be adjusted so it is unique for each (ie add 5G after the 5GHz)

Latest revision as of 13:23, 9 August 2024

Cable Troubleshooting

Welcome to the troubleshooting page for cable modems. You can learn how to resolve typical problems with cable modems by reading these articles, guiding you through the process of resolving some typical issues that you might encounter on your own.

Common fixes for Cable modems

If you experience frequent disconnections of your Internet connection, there’s a few things you can do or check.

1.Power off or Restart your modem

Perform a power cycle, by unplugging your modem from the wall for a duration of 30 seconds. Sometimes your cable modem may require a restart.

Restarting your modem may fix some Internet connection issues, improve slow connections, and resolve frequent wireless issues.  Best way to reboot a modem, unplug its power and Ethernet wires.

2.Check the Coaxial cable

Make sure your coax connection is secure at both the modem and the coax outlet.

3.Check the Ethernet cable

Check to determine if the Ethernet connections at the modem and the Ethernet port on your device are secure

If the first three methods do not work and your modem is not damaged in any way, try a factory reset.


Factory Reset

When performing a factory reset, on a CODA-4680 returns to default settings, losing all user-configured settings and returning to its initial configuration state.


Method One

Your device will need to be connected to your modem by WiFi or an Ethernet cable plugged into one of the CODA-4680 modem's LAN ports.

  1. Open a web browser Chrome, Firefox of Safari and enter http://192.168.0.1 into the address bar then press enter.
  2. A login screen for the Hitron CODA-4680 will appear. The default username and password are case-sensitive.
    • Username: cusadmin
    • Password <the Wi-Fi network password that you configured in the Quick Setup>


CODA-4680-Login










Select Admin, choose Device Reset tab, and select the Factory Reset button.

Factory Reset









Method Two

Using a pin or pencil tip, press and hold the RESET button at the back of the modem for at least 30 seconds, it will take about 5 to 10 minutes for the CODA-4680 to reboot itself.

Factory Rest Button











If using wifi connect a device to the modem's EasyConnect Wi-Fi network. The EasyConnect Wi-Fi network only connects your device to the modem, it will not connect your device to the internet. The EasyConnect Wi-Fi network name and password is specific to your modem, and can be found on the label on the back of the modem. It takes the form of:

Default Wi-Fi Network: CODAXXXXX-EasyConnect (XXXXX is a series of numbers)

Default key: ZZZZZZZXXXXX (a series of numbers)

  • Open up a web browser on the device you connected to the modem, and browse to any website.
  • The Hitron EasyConnect Quick Setup screen should automatically load in your web browser. If it does not, enter 192.168.0.1 in your web browser's URL bar to load the Hitron EasyConnect Quick Setup manually.
  • To begin the Quick Setup, select Let's Go
Lets go.png








Testconnect.png

Select Test Connection to test the modem's internet connection







If the test is successful, the Quick Setup will confirm that your modem is connected to your modem. Select Setup Wi-Fi to configure the Wi-Fi network name and password you wish to use. If the test is not successful, you will not be able to provide with the Quick Setup. Check the light pattern on the Hitron COD-4680, or turn it off, reconnect the coaxial cable, and try the Quick Setup again.

Test.png










Enter the Wi-Fi Network Name and Password you wish to use to connect to the internet. Re-enter the password to Confirm Password, and select Confirm Setup:


Wifi1.png









Information Gathering

Occasionally the NCF Help Desk might request a member to provide information from their modem. That will help NCF and TekSavvy understand what's going on with the line or modem. Ping test, traceroute, and modem logs are the three most common ways that NCF may request. A ping test will tell us whether the network connection between the source and target is working properly. A traceroute is a tool for detecting response delays and routing loops in network paths between packet switching nodes. Modem logs are a way that NCF and TekSavvy can look at the signal strengths to determine if there is an issue with the modem or line. NCF Help Desk will sometimes request that a member provide screenshots to be sent to support@ncf.ca.

Ping test

Login to the modem using a web Interface

1.Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari.

2.You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

3. Select Admin choose Diagnostics, in the destination (IP or domain) section type 1.1.1.1 or cloudflare.com

Ping test.png










Traceroute

Login to the modem using a web Interface

1.Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari.

2.You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

3. Select Admin choose Diagnostics, in the destination (IP or domain) section type:

  • 1.1.1.1 or cloudflare.com
  • click traceroute.
Traceroute.png











Modem Logs

Login to the modem using a web Interface

Your modem must be connected to your device by a Ethernet connection or WiFi.

  1. Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari.
  2. 2. A login screen for the Hitron CODA-4680 will appear. The default username and password are case-sensitive.
  • Username: cusadmin
  • Password: <the Wi-Fi network password that you configured in the Quick Setup>
  1. Under status select DOCSIS Event
Logs










DNS

How to change your DNS settings

Login to the modem using a web Interface

Connect to your modem using a wired Ethernet cable or join your Wireless network

DNS Change

Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari.

You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

1.Select Basic tab

2.Select DNS tab

DNS Settings

Configure your DNS settings:

3.Change the settings for DNS Obtain to Manual

4.Change the settings for DNS1 and DNS2 type in the IP address below. We recommend using the Cloudflare DNS servers at:

  • DNS1: 1.1.1.1
  • DNS2: 1.0.0.1

5. Change the settings for IPv6 Obtain to Manual

6.Change the settings for IPv6 DNS1 and IPv6 DNS2 type in the IP address below. We recommend using the Cloudflare DNS servers at:

  • IPv6 DNS1: 2606:4700:4700::1111
  • IPv6 DNS2: 2606:4700:4700::1001

7. Click Save Changes at the bottom

Once changes have been saved power cycle the modem.


Troubleshooting Wi-Fi

Most problems with Wi-Fi are a result of interference from other wireless or electronic devices, or signal strength problems (e.g., due to obstructions or distance).

Signal Strength problems

If you have a strong, solid signal in some parts of your home but not in others, then obstructions or distance could be playing a role.

Large appliances, such as refrigerators, can block Wi-Fi signals if the appliance is between your device and the modem. This can sometimes be resolved easily by moving you and/or your device from one part of the room to another. If your home is large and you are just running out of Wi-Fi range, then a Wi-Fi mesh home system or Wifi extenders  may be required. These can be purchased from NCF, and are placed around your home to extend the Wi-Fi range to other areas.

Common Fixes For WiFi

Using Wi-Fi Analyzers

When troubleshooting inference on Wi-Fi networks (especially 2.4 GHz) it is good to first check to see which channels are busiest in your vicinity. Click on the link below that will take you to a page with recommendations and how to use Wi-Fi analyzers.

https://help.ncf.ca/Cable_test_page?veaction=edit


Changing WiFi Channels on CODA-4680

Changing the wifi channels for 2.4 bandwidth

Wifi channels

2.4 Bandwidth

Step 1

Login to the modem using a web Interface

  • Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari.

Step 2

You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

Step 3

Click on wireless choose basic settings should already be selected 2.4 tab will be selected by default.

Step 4

Change the channel bandwidth switch 20/40 MHz to 20MH

Step 5

Change the wireless channel from auto to any of the channels in the drop down menu choose channels 1, 11, or 6. Try to pick the emptiest of the three, try using a Wi-Fi Analyzer as your guide if you're able to.

Step 6

After selecting a channel  save changes






5G bandwidth

5wifichannels.png

Step 1

Login to the modem using a web Interface

  • Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari.

Step 2

You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

Step 3

Click on wireless choose basic settings should already be selected 5G tab will be selected by default.

Step 4

Change the channel bandwidth switch 20/40 MHz to 20MH

Step 5

Change the wireless channel from auto to any of the channels in the drop down menu try to choose channels 36, 40, 44, and 48 are the best 5G channels WiFi because they are least likely to overlap with other channels or try using channels 149, 153, 157, and 161 as they are also less likely to overlap with other channels.

Step 6

After selecting a channel  save changes




Band steering

When connecting a device to your home network, most WiFi modems prompt you to choose between two frequencies: 2.4 GHz or 5 GHz.Band steering automatically connects your devices to the most appropriate WiFi frequency in your home.


Step 1:

Connect to your modem using a wired Ethernet cable or join your Wireless network

Login to the modem using a web Interface:

Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox or Safari



Step 2:


You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

Bands.png

Step 3:

  • Click on wireless
  • Click on the Advanced tab
  • Ensure that the Band streeting is Enable
  • Click save changes

Disabling Bandsteering

When Band Steering is disabled, you can create two separate networks (or SSIDs), each with its own password and name. You can then connect specific devices to a specific network, either 2.4 or 5G.


Steps to disabling  bandsteering

Step 1

Login to the modem using a web Interface

  • Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox

Step 2

You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

Step 3

  • Click on wireless
  • Click on the Advanced tab
  • Ensure that the Band streeting is Disabled
  • SSID.png
    Click save changes




Separating 2.4 and 5G Bandwidth

To separate networks band steering will have to be disabled, for both 2.4 and 5G networks

Step 1

Connect to your modem using a wired Ethernet cable or join your Wireless network

Login to the modem using a web Interface

  • Enter http://192.168.0.1 into the address bar in your web browser Chrome, Firefox

Step 2

You will be asked to enter username: cusadmin and password:<the Wi-Fi network password that you configured in the Quick Setup>

Step 3

  • Click on wireless

Both the 2.4G and 5G the Network Name (SSID) can be adjusted so it is unique for each (ie add 5G after the 5GHz)