Although it is published on Realtek’s site, many endusers and IT techs miss this download. The Realtek Ethernet Diagnostic Software is an excellent piece of software that allows for diagnostic troubleshooting of your network card. Remember, download the latest driver for performance and reliability.
Found here (Look for Windows Diagnostic Program), the software allows you to do the following:
- See the MAC address of your card
- IP Address
- Link Status
- Cable tests
- Adjust Advanced Settings (Remember to turn off everything but Flow Control)
- Create Virtual LANs