diff --git a/openairinterface5g/openairinterface-install-scripts/README.md b/openairinterface5g/openairinterface-install-scripts/README.md
index d022ce881e5e5ac4dc619517e8e620782df59faa..9a814b9c82fe0935902fd40e7e57b2e53e4cc55b 100644
--- a/openairinterface5g/openairinterface-install-scripts/README.md
+++ b/openairinterface5g/openairinterface-install-scripts/README.md
@@ -517,12 +517,24 @@ Expect result:
 
 **Step 7:** iperf test UE 1 (Open a new terminal):
 
+On UE's PC, you use the commands below: 
+
 > sudo ip netns exec oai-ue1 bash
 > 
 > iperf3 -i1 -s
 
+On 5GC's PC, you use the commands below:
+
+> docker exec -t oai-ext-dn iperf3 -c <UE-IP-address> -t60 -B 192.168.70.145 -i1
+
 **Step 7:** iperf test UE 2 (Open a new terminal):
 
+On UE's PC, you use the commands below: 
+
 > sudo ip netns exec oai-ue2 bash
 >
-> iperf3 -i1 -s
\ No newline at end of file
+> iperf3 -i1 -s
+
+On 5GC's PC, you use the commands below:
+
+> docker exec -t oai-ext-dn iperf3 -c <UE-IP-address> -t60 -B 192.168.70.145 -i1