This is the object's relative name (Rn) — just the last path segment of its Dn, the piece this NetworkParam instance contributes to its own address within the MIT tree. It carries the actual configured value behind a fabric capability — for example a VLAN-count ceiling tied to end-host mode — separately from the feature record itself. For this kind of object the Rn is typically built from the same identifying value as its Dn's final segment, e.g. the tail end of `sys/switch-A/network-feature-end-host-mode/param-max-vlans`, so two sibling instances never end up with colliding addresses under the same parent.