Native path calculation for device-to-VLAN Layer 2 tracing

NetBrain path calculation today supports IP-based, TCP-based, and multicast path types, but does not offer a native path type where the source is a device and the destination is a VLAN for Layer 2 tracing. Customers can approximate this only through a plugin-based workflow that requires manually specifying source device, VLAN, interface, and destination device interface and VLAN, rather than a streamlined native calculation. This enhancement would add a native path type, positioned alongside existing IP and multicast path options, that accepts a source device and destination VLAN and calculates the traversed Layer 2 path across transport technologies such as VPWS, EVPN, Q-in-Q, and standard trunking. Customers operating complex Layer 2 transport environments would gain built-in, consistent path visibility for VLAN-based traffic without relying on plugin workarounds, reducing manual effort during troubleshooting.