Troubleshooting guide

13-12
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Chapter 13 Troubleshooting ATM Router Module Connections
Troubleshooting LANE Clients on ATM Router Module Connections
Figure 13-5 ATM Router Module in the ATM Network
An ATM router module installed in the switch router allows the connection of Ethernet networks through
the switch router to the ATM connections in the ATM cloud. The ATM router module has the following
functions and limitations:
• Supports LEC configuration on the ATM router module interfaces and subinterfaces
• No LECS/LES/BUS configuration is allowed on the ATM router module
• Up to 32 LECs are allowed per ATM router module
• A maximum of two ATM router modules per chassis, allowing a maximum of 64 LECs
• Default ATM address prefix same as the route processor port
• All IP, IPX, and bridging commands are allowed on the ATM router module interfaces and
subinterfaces
• Shutdown and no shutdown commands are allowed on the ATM router module interfaces and
subinterfaces
• From the CLI, the ATM router module ATM interface is configured in the same manner as any other
IOS switch router
BUS
ARM Port
LEC1
ATM Por t
ASM
Ethernet Port
LEC2
LES
LECS
Catalyst 8540
LSData VC
LSData VC
Broute
VC
Multicast
Forward VC
Data
Direct VC
Multicast
Send VC
ATM
cloud
Control Distribute VC
Control Direct VC
Configure Direct VC
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