Connect & Test Performance

We now verify that the system is working as expected and a connection can be established. For this, we use theiperf3 tool to test the performance of the 5G connection. Further, the system is monitored usingjtop to check the performance of the Jetson platform.

Run the following commands to verify the connectivity:

# Check connection statusnmcliconnectionshow# Check that ip address is assigned to wwan0ipaddrshowwwan0# Test internet connectivity through the 5G tunnelping-Iwwan0google.com

And to monitor the system:

# View gNB logsdockerlogs-foai-gnb# Monitor performance on DGX Sparknvtop# Monitor performance on Jetsonjtop

The following commands test the performance of the 5G connection:

# if not already running, start iperf3 server in EXT-DN Docker containerdockerexec-doai-ext-dniperf3-s# On the client (UE)# Downlink testiperf3-u-t10-i1-b1M-B12.1.1.2-c192.168.72.135-R# Uplink testiperf3-u-t10-i1-b1M-B12.1.1.2-c192.168.72.135# change 1M to the desired throughput in Mbit/s

The above command assume that the UE has assigned the IP address 12.1.1.2 and the ext-dn is at 192.168.72.135 as shown inFig. 20. The IP addresses can be changed to your own configuration.