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Troubleshoot common problems connecting a wired WAN connection to a Cradlepoint router

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Troubleshoot common problems connecting a wired WAN connection to a Cradlepoint router

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Summary

Troubleshooting

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Summary

Unable to get an internet connection when a wired Ethernet connection (cable, DSL, satellite, T-1, etc) is attached to the CradlePoint’s WAN interface.

In many situations when an Ethernet connection to the Internet is plugged into the Cradlepoint’s WAN port the Cradlepoint will obtain an IP address automatically.

If the Internet connection works when plugged directly into a computer but the Cradlepoint is not getting an internet connection when connected to the same Ethernet cable there are a few things to test.

  1. The Ethernet cable may be plugged into a LAN port instead of a WAN port.
  2. The Cradlepoint’s LAN IP address may conflict with the other modem or router’s IP address.
  3. The router is expecting a specific computer MAC address to be connecting rather than Cradlepoint routers MAC address.
  4. The WAN interface may require a static IP address or PPPoE credentials to be entered.

Troubleshooting

The Ethernet cable may be plugged into a LAN port instead of a WAN port.

  1. Make sure that the Ethernet cable is plugged into the Cradlepoint routers WAN port instead of a LAN port. For routers with multiple Ethernet ports, the WAN port is colored blue or will have a computer icon below it. For devices with only one Ethernet port make sure that the port has been configured as a WAN port. For assistance changing the Ethernet port setting for these devices, please refer to this article (Series 3),or this article (Series 3 FW v 6.0 and newer).

The Cradlepoint’s LAN IP address may conflict with the other modem or router’s IP address.

  1. When connecting the Cradlepoint router to another router it is possible that each device is using the same default IP address causing an IP conflict. The Cradlepoint uses the network 192.168.0.1 by default. Verify that the other device is not using the same default IP address.
  2. To verify the default IP address of the other modem/router connect your computer directly to the modem/router via Ethernet cable. Then (Windows) click the Start button, then type cmd into the Run or Search box and press enter. A Command Prompt window will open, enter the ipconfig command then press enter.
  3. Locate the displayed information for the Ethernet adapter Local Area Connection then find the Default Gateway.

1310_img1.jpg

  1. If the Default Gateway IP address is 192.168.0.1 there is an IP conflict with the Cradlepoint router. Change either the Cradlepoint or other router to a different private IP address such as 192.168.1.1 or 10.0.0.1.
  2. To change the Cradlepoint routers LAN IP address follow these directions; How to change Cradlepoint LAN Address (Series 1 & 2), or Series 3: How to Change the LAN IP Address of a Cradlepoint router or Series 3 FW v6.0 and newer: How to Change the LAN IP Address of a Cradlepoint router

The router is expecting a specific computer MAC address to be connecting rather than Cradlepoint routers MAC address.

  1. Some Ethernet connections are bound to the MAC address of the Ethernet adapter that the service was activated with. If you have a wired DHCP Ethernet connection that will not connect to the Cradlepoint routers WAN port but will connect when connected directly to a computer it may be necessary to have the Cradlepoint clone the MAC address of the Ethernet port.
  2. To determine the MAC address of the computer open the Command Prompt window on the computer by clicking the Start button then type cmd into the Run or Search box then press enter. Enter the ipconfig /all command then press enter. A result similar to this should display:

1310_img1.jpg

  1. Take note of the Physical Address for the Ethernet adapter. The Physical Address in the example above is B8-AC-6F-27-49-49. If the ISP is filtering access by MAC address the Cradlepoint router can provide the computers MAC address to the ISP rather than its own.
  2. The next step will vary depending on the series of Cradlepoint.

    • To use the computers MAC address rather than the Cradlepoint routers MAC address on a Series 2 Cradlepoint router.

      1. Log into the Cradlepoint’s setup pages, the default location is http://192.168.0.1. If you are unsure how to access the setup pages click here.
      2. Click the BASIC tab then select WAN from gray sub-menu on the left.
        1310_img3.png

      3. Locate the WIRED WAN SETTINGS section. If connecting to the Cradlepoint using the same Ethernet port that had been used to connect to your modem click the Clone Your PC’s MAC Address button. Otherwise, manually enter the MAC address noted earlier from the ipconfig /all command. Be sure to separate each letter/digit pair in the MAC address with a colon and not a hyphen.

      4. For example here the Cradlepoint router will be changed to use the MAC address, B8-AC-6F-27-49-49.

        1310_img4.png

      5. After changing the MAC Address scroll to the top of the page and click Save Settings.

      6. If prompted, reboot by clicking Reboot Now.
    • To use the computers MAC address rather than the Cradlepoint routers MAC address on a Series 3 Cradlepoint router.

      1. Log into the Cradlepoint’s setup pages, the default location is http://192.168.0.1. If you are unsure how to access the setup pages click here.
      2. Click the Internet tab and select Connection Manager from the drop down menu.
      3. In the WAN Interfaces click on the Ethernet WAN then click the Edit button.

        1310_img5.png

      4. Click the Ethernet Settings tab. If connecting to the Cradlepoint using the same Ethernet port that had been used to connect to your modem click the Clone Your PC’s MAC Address button. Otherwise, manually enter the MAC address noted earlier from the ipconfig /all command. Be sure to separate each letter/digit pair in the MAC address with a colon and not a hyphen. For example here the Cradlepoint router will be changed to use the MAC address, 00:03:44:1d:82:31.
        1310_img6.png

    • To use the computers MAC address rather than the Cradlepoint routers MAC address on a Series 3 FW v6.0 and newer Cradlepoint router.

      1. Log into the Cradlepoint’s setup pages, the default location is http://192.168.0.1. If you are unsure how to access the setup pages click here.
      2. Click the Connection Manager tab on the left.
      3. In the WAN Interface Profiles & Priority section select Ethernet WAN then click the Edit button.

        1310_fw6_img5.PNG

      4. Click the Ethernet tab. If connecting to the Cradlepoint using the same Ethernet port that had been used to connect to your modem click the Clone Your PC’s MAC Address button. Otherwise, manually enter the MAC address noted earlier from the ipconfig /all command. Be sure to separate each letter/digit pair in the MAC address with a colon and not a hyphen. For example here the Cradlepoint router will be changed to use the MAC address, 00:03:44:1d:82:31.
        1310_fw6_img6.PNG

      5. Click Save to save settings.

The WAN interface may require a static IP address or PPPoE credentials to be entered.

  • If the ISP has configured the account with a static IP address (rather than a dynamic DHCP connection), refer to this article (Series 3) this article (Series 3 FW v6.0 and newer) for assistance manually assigning the static IP information.
  • If the ISP requires a login using point-to-point protocol over Ethernet (PPPoE) please refer to this article for Series 2, or this article for Series 3, or this article for Series 3 FW 6.0 and newer for assistance entering PPPoE information. This setting is common for DSL service.

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Published Date: 09/08/2015

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