Chapter 21: Managing ATM VLANs 21-1 Copyright © 1998, Cisco Systems, Inc.

21-2MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Describe LANE Describe the LEC Describe the LES/BUS Describe the LECS Upon completion of this chapter, you will be able to: Objectives

21-3MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Bridge VLANs over ATM Verify client information Verify server information Monitor LANE control connections Monitor ATM-VLAN performance Objectives (cont.)

21-4MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Used to create a LAN backbone Defined at the MAC layer Individual emulated LANs use LANE services Participation in ELANs independent of location Each LEC is the interface to one ELAN LANE Overview

21-5MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. LEC acts as a LAN interface into the ATM network Each LEC is the interface to one ELAN A Catalyst® switch or Cisco router can have multiple LECs on one physical interface LEC Overview

21-6MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. LES Registers MAC addresses Responds to address requests BUS Distributes multicast and broadcast One LES/BUS per ELAN LES/BUS Overview

21-7MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Determines which ELAN an LEC belongs to Responds to LEC requests with LES address when LEC joins an ELAN One LECS per LANE cloud LECS Overview

21-8MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Bridging VLANs across ATM

21-9MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Displaying ATM-VLANs

21-10MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying Client Information

21-11MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying LES/BUS Information

21-12MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying Configuration Server Information

21-13MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying LECS Database Information

21-14MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying Detailed LECS Information

21-15MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Monitoring LANE Control Connections

21-16MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Tracing Control Connections

21-17MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying Client Parameters

21-18MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Verifying Client ARP Information

21-19MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Monitoring LE Server Status

21-20MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Monitoring ATM-VLAN Performance

21-21MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Summary Describe LANE Describe the LEC Describe the LES/BUS Describe the LECS

21-22MCSIManaging ATM VLANs Copyright © 1998, Cisco Systems, Inc. Summary (cont.) Bridge VLANs over ATM Verify client information Verify server information Monitor LANE control connections Monitor ATM-VLAN performance