Standard network monitoring and packet analysis tools can be utilized to monitor the load of the network. Additionally, statistical information is gathered by each server and is available in ZENworks Control Center or the Diagnostics tools included in ZENworks Control Center.
Because most communication occurs over SSL, it is necessary to modify the system to use non-Diffie-Helman ciphers if you want to utilize tools such as Wireshark to review the unencrypted traffic. This is not recommended in a production environment because it reduces the overall security of the system, but it might be useful in a lab environment to better understand the communication between agents, Satellites, and Primaries.