Download File Using Specific Network Interface Ubuntu

This article provides the specific command syntax required to download a file through a designated network interface on Ubuntu. It covers using standard command-line tools to bind traffic to a specific IP address or interface name, ensuring the download route matches your network configuration needs.

To download a file using a specific network interface, you must bind the command to the IP address assigned to that interface. First, identify your interface IP address by running ip addr show in the terminal. Locate the inet address associated with your desired network card, such as eth0 or wlan0.

Using wget The wget utility uses the --bind-address flag. You must specify the source IP address associated with the interface.

wget --bind-address=YOUR_IP_ADDRESS https://example.com/file.zip

Using curl The curl utility uses the --interface flag. You can specify either the interface name or the IP address directly.

curl --interface eth0 -O https://example.com/file.zip

Replace YOUR_IP_ADDRESS with the actual IP of your network interface and eth0 with your specific interface name. This forces the outgoing connection to originate from the selected network hardware.