Being a link layer (or OSI Layer 2) implementation, LLTD operates strictly on a given local network segment. It cannot discover devices across routers, an operation which would require Internet Protocol level routing.

Should I disable Link Layer Topology Discovery?

Unless you are connected to an IPv6 network (99% of you are not), you can safely disable this protocol. … Do not disable this protocol. Link Layer Topology Discovery Mapper I/O Driver. Used to discover other computers connected to your local network.

What is topology discovery method?

Topology discovery, the process of discovering and mapping network devices and links, is vital for a network’s efficiency. Topology discovery, the process of discovering and mapping network devices and links, is vital for a network’s efficiency.