SN Promotion Process

This is the diagram that appears in the PRIME specification 1.3.6 showing the promotion process initiated by a Service Node. It shows how the Service Node sends a promotion request to the Base Node via another switch.

Figure 1. Promotion Process Initiated by a Service Node

The sniffer capture shown below shows the promotion process initiated by a Service Node but in this case, there is not any intermediate switch, so there are only 2 devices involved: the Base Node and the terminal or Service Node. The next image shows the promotion process with the 5 frames involved.

In order to obtain more details, if you go to the packet view, it is possible to find the type of messages and associate them with the previous diagram: