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CHAPTER
20-1
ATM Switch Router Software Configuration Guide
OL-7396-01
20
Configuring Frame Relay to ATM
Interworking Port Adapter Interfaces
This chapter describes Frame Relay to ATM interworking and the required steps to configure the
channelized Frame Relay port adapters in the Catalyst 8510 MSR and LightStream 1010 ATM switch
routers. These port adapters facilitate interworking between a Frame Relay network, an ATM network,
and network users. Existing Frame Relay users can also migrate to higher bandwidth ATM using
channelized Frame Relay port adapters. Additionally, these port adapters extend the ATM network
across a wide area over a frame-based serial line or intervening Frame Relay WAN.
Note This chapter provides advanced configuration instructions for the Catalyst 8540 MSR,
Catalyst 8510 MSR, and LightStream 1010 ATM switch routers. For an overview of Frame Relay to
ATM interworking, refer to the Guide to ATM Technology. For complete descriptions of the commands
mentioned in this chapter, refer to the ATM Switch Router Command Reference publication. For
hardware installation and cabling instructions, refer to the ATM and Layer 3 Port Adapter and Interface
Module Installation Guide.
For a more information on how to configure your Frame Relay specific network equipment, refer to the
Cisco IOS 11.3 publications on the Documentation CD-ROM.
This chapter includes the following sections:
• Configuring the Channelized DS3 Frame Relay Port Adapter, page 20-2
• Configuring the Channelized E1 Frame Relay Port Adapter, page 20-7
• Configuring Frame Relay to ATM Interworking Functions, page 20-9
• Configuring Frame Relay Frame Size for Frame Relay to ATM Interworking, page 20-11
• Configuring LMI, page 20-14
• Configuring Frame Relay to ATM Resource Management, page 20-18
• Configuring Frame Relay to ATM Virtual Connections, page 20-23
• Respecifying Existing Frame Relay to ATM Interworking Soft PVCs, page 20-43
• Configuring Overflow Queuing, page 20-43