Use the Tx capable interfaces page to allocate transmit buffers for libpcap interfaces.
The Tx Capable Interfaces page
For each application or application thread that transmits through a libpcap interface, allocate one Tx buffer.
Allocate 0 Tx buffers to disable transmit capability on a libpcap interface.
You can add additional transmit-only libpcap interfaces and map them to SmartNIC Tx ports.
Add a transmit-only libpcap interface.
Delete a transmit-only libpcap interfaces that you have added. You cannot delete the libpcap interfaces defined on the Interface Configuration page.