There are several connections established at all times when a host is a member of an emulated LAN. The following table outlines the various LAN Emulation-related connections that should be on a LAN Emulation client (LEC).
Use the command qccstat(1M) to view all existing connections for a given interface.
VCC |
Endpoints |
Comments |
---|---|---|
Configuration Direct |
LEC --> LECS |
This connection is not required to remain open after the initial join of the emulated LAN, and thus may time out after a host has joined the LAN. |
Control Direct |
LEC --> LES |
Point-to-point connection over which the host may send LE ARP requests and receive responses from the LES. |
Control Distribute |
LES --> LEC |
Point-to-multipoint connection over which the LES may send administrative information to all hosts. Hosts may not send on this connection. |
Multicast Send |
LEC --> BUS |
Point-to-point connection over which the host may send broadcast messages to the BUS. A limited amount of data is also allowed on this connection. |
Multicast Forward |
BUS --> LEC |
Point-to-multipoint connection over which the BUS sends broadcast messages. Hosts may not send on this connection. |