Checking Network Configuration


Overview

The ResNet wireless network requires specific settings to grant your device an IP address to allow you to connect to the internet. If any of these settings are not configured as shown, the ResNet wireless network may not correctly provide your device with a valid IP address.

Critical Concepts

Steps to Take

Windows 

Check IP address

  1. On the taskbar search, type "Command Prompt."
  2. Right click on Command Prompt and press "run as administrator."
  3. When asked whether to allow Command Prompt to make changes to your computer, select Yes.
  4. Open Command Prompt
  5. Type the command: ipconfig /all

    Screenshot: Windows Command Prompt with ipconfig command typed

  6. Check to make sure the IP your device is within the following range 100.64.0.0 - 100.127.255.255 (ResNet IP)

    Screenshot: Location of where to see IPV4 address after running ipconfig command

Make sure TCP/IPv4 and DNS server properties are set to obtain addresses automatically

  1. Click Settings > Network & Internet

    Screenshot: Windows settings button for Network and Internet is located top right

  2. Under "Status," open Change adapter options

    Screenshot: Under the status page, click on Change Adapter Options near the bottom

  3. Right click the adapter for the wireless connection and select Properties

    Screenshot: Right click on the Wi-Fi or Wireless Adapter

    Screenshot: Right click on the adapter then click Properties at the bottom

  4. Select Internet Protocol Version 4 (TCP/IPv4) and click on Properties

    Screenshot: Click on IPV4 from the list, then click on Properties in the middle right

  5. Confirm "Obtain an IP address automatically" and "Obtain DNS server address automatically" are selected

    Screenshot: Check to make sure Obtain IP Automatically and Obtain DNS Automatically are turned on

Mac

  1. Open System Preferences > Network > Wi-Fi

    Screenshot: System Preferences window with Wifi marked

  2. Click on Details... for the currently connected ResNet Wi-Fi network.

    Screenshot: "Details" menu in the wifi window

  3. Go to the TCP/IP tab
    1. In Configure IPv4 select Using DHCP
    2. Check to make sure the IP your device is within the following range 100.64.0.0 - 100.127.255.255 (ResNet IP)
    3. In Configure IPv6 select Automatically

      Screenshot: TCP/IP Menu with instructed IP Configurations set

  4. Click 'Ok' after closing the drop down window or else the settings will not save

If you still have questions or need additional assistance, please contact the ITS Service Desk. You can call us at (858) 246-4357, email us at support@ucsd.edu, or submit a ticket at support.ucsd.edu.