diff --git a/playbooks/files/ood_templates/slurm/impi_pingpong/pingpong.sh b/playbooks/files/ood_templates/slurm/impi_pingpong/pingpong.sh
index e0d7f88c..6f5dba33 100644
--- a/playbooks/files/ood_templates/slurm/impi_pingpong/pingpong.sh
+++ b/playbooks/files/ood_templates/slurm/impi_pingpong/pingpong.sh
@@ -5,6 +5,7 @@
 #SBATCH -p hpc
 #SBATCH -t 5
 #SBATCH --export=NONE
+#SBACTH --exclusive
 
 source /etc/profile.d/modules.sh
 module use /usr/share/Modules/modulefiles
@@ -13,7 +14,7 @@ module load mpi/impi-2021
 
 export I_MPI_DEBUG=5
 export I_MPI_HYDRA_BOOTSTRAP=slurm
-#export I_MPI_PORT_RANGE=59000:61000
+export I_MPI_PORT_RANGE=59000:61000
 
 echo "Running on $SLURM_NNODES nodes"
 mpirun -ppn 1 IMB-MPI1 PingPong
diff --git a/playbooks/files/ood_templates/slurm/impi_ring_pingpong/ring_pingpong.sh b/playbooks/files/ood_templates/slurm/impi_ring_pingpong/ring_pingpong.sh
index c9a653ca..0ec5a3d3 100644
--- a/playbooks/files/ood_templates/slurm/impi_ring_pingpong/ring_pingpong.sh
+++ b/playbooks/files/ood_templates/slurm/impi_ring_pingpong/ring_pingpong.sh
@@ -5,6 +5,7 @@
 #SBATCH -p hpc
 #SBATCH -t 5
 #SBATCH --export=NONE
+#SBACTH --exclusive
 
 TYPE=latency
 
@@ -24,10 +25,9 @@ module use /usr/share/Modules/modulefiles
 
 module load mpi/impi-2021
 
-#export I_MPI_FABRICS="shm:ofi"
 export I_MPI_DEBUG=5
 export I_MPI_HYDRA_BOOTSTRAP=slurm
-#export FI_PROVIDER=mlx
+export I_MPI_PORT_RANGE=59000:61000
 
 IMB_ROOT=$I_MPI_ROOT/bin