*`io_core`: absolute CPU core ID for XRAN library, it should be an isolated core, in our environment we are using CPU 4
*`worker_cores`: array of absolute CPU core IDs for XRAN library, they should be isolated cores, in our environment we are using CPU 2
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@@ -664,10 +672,12 @@ xRAN SRS reception is not supported.
Run the `nr-softmodem` from the build directory:
```bash
cd ~/openairinterface5g/ran_build/build
sudo ./nr-softmodem -O../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/oran.fh.band78.fr1.273PRB.conf --sa--reorder-thread-disable 1--thread-pool <list of non isolated cpus>
cd ~/openairinterface5g/cmake_targets/ran_build/build
sudo ./nr-softmodem -O<configuration file> --sa--thread-pool <list of non isolated cpus>
```
**Warning**: Make sure that the configuration file you add after the `-O` option is adapted to your machine, especially to its isolated cores.
**Note**: You may run OAI with O-RAN 7.2 Fronthaul without a RU attached (e.g. for benchmarking).
In such case, you would generate artificial traffic by replacing the `--sa` option by the `--phy-test` option.