Registration - 3Com CoreBuilder 7000 Operation Manual

The establishment of a connection to the BUS by the LAN Emulation
Client.
The LECS Connect and Configuration phases may be bypassed for certain
applications. The Registration phase may also be bypassed if the LEC
performs required address registration during the Join phase.
The processes connecting the LEC to the ELAN are shown in Figure 48.
Figure 48 Connection Processes of the LEC to LE Service

Registration

The address registration function is the mechanism by which LECs provide
address information to the LES. The LAN destinations may also be
unregistered as the state of the client changes. A client must either
Operation of the LAN Emulation 145