Cabletron Systems 04-0053-01 Manual De Usuario

SmartSwitch ATM User Guide   2-19

IP Over ATM and LANE

Creating an Emulated LAN  

Figure 2-5 How LNNI handles ELAN join requests

Setting up LNNI LECs

The procedure for setting up LNNI on a SmartSwitch ATM switch is performed by executing the following basic steps:

Shut down all LANE services — LECS, LES and BUS

Configure LNNI

Enable LNNI

Start LANE services

The following is an example of enabling LNNI on a network and configuring neighbor LECSs on two separate 
switches (SW1 and SW2).

Client D

Client A

Client B

Client C

LES/BUS

LES/BUS

LECS 0

LECS 1

LES/BUS

Logical full mesh

among LES/BUS

switches