If 0, the local port to use for discovery is chosen automatically by the system. If 1, discovery will be done from the source port 1900 (same as destination port). Otherwise, the value will be used as the port.
See Implementation
If 0, the local port to use for discovery is chosen automatically by the system. If 1, discovery will be done from the source port 1900 (same as destination port). Otherwise, the value will be used as the port.