Select your local Ethernet interface in the "Server Interface" dropdown.
Assign a static IP address to your Ethernet adapter (e.g., 192.168.1.254 ). Set the Subnet Mask to 255.255.255.0 .
Always take a backup of your current configuration before upgrading. Step 1: Set Up the TFTP Server
This procedure assumes a typical network device (router/switch) that supports TFTP recovery or command-line upgrade.