Realtek Diagnostic Utility ((install)) <UHD>

Displays specific controller models (e.g., RTL8111, RTL8168), MAC addresses, and current driver versions.

Allows users to set up Virtual LAN tags and manage VLAN settings, which is often difficult through standard Windows menus. realtek diagnostic utility

The utility is designed for both IT professionals and advanced users to troubleshoot persistent connectivity issues or fine-tune performance. Its primary functions include: Displays specific controller models (e