Network Router User's Manual

Understanding Interface Numbering
ATMSwitch Router Quick Software Configuration Guide1-6
Processor Card Numbering
The CPU interface on the processor card is addressed as either ethernet 0 or atm 0,
depending on the type of configuration. The other interfaces on the processor card start with
0 and increment by 1. See Figure1-3.
Figure1-3 Processor Card Numbering (Catalyst8540MSR Route Processor
Shown)
Port Numbering
Port numbering for each subcard starts with 0 and increments by 1, from left to right, as
shown in Figure1-4.
Figure1-4 Port Numbering