About Peering, Autodiscovery, In-Path Rules, and Service Ports : About service ports
  
About service ports
Service port settings are under Optimization > Network Services: Service Ports.
Service ports are used for inner connections between SteelHead appliances. For QoS purposes, you can configure multiple service ports on the server-side appliance to support various QoS mappings, and you can create a new service port and map specific destination ports to it. This allows QoS settings on your router to be applied to traffic based on the defined service port.
Service Ports
Specifies ports in a comma-separated list. The default service ports are 7800 and 7810.
Default Port
Specifies the default service port.
For adding a service port mapping:
Destination Port
Specifies a destination port.
Service Port
Specifies the service port.
About Host, Interface, and General Service Settings