How to establish a uni-directional Ethernet link in the dpdk environment

[Alireza Sadeghpour]

Hi,

I am trying to establish a uni-directional Ethernet link where a singular
fiber is used to transmit data to the receiver in the DPDK environment. The
Rx of the transmit side and the Tx of the receive side are not physically
connected, like in a Data diode scenario. The ethernet controller on both
sides is intel 82580.

my problem is that when I detach the RX line from one side, both sides'
links go down.

Could anyone please give me some advice to solve this problem and establish
a valid unidirectional ethernet link?
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