How-to install Microsoft’s Link Layer Topology Discovery (LLTD) protocol on Windows XP, and Server 2003.
The Link Layer Topology Discovery (LLTD) protocol was developed by Microsoft and is included in Windows Vista, updated Xbox360s, and later operating systems.
The LLTD protocol is an OSI layer 2 protocol that displays a graphical map of a network like the screen shot below.
Install LLTD on Pre-Vista PCs
Here are a few links to install the Link Layer Topology Discovery protocol on Pre-Windows Vista computers.
- Install LLTD on Windows XP SP2. XP SP3 includes this update.
- Install LLTD on Windows Server 2003

