Cisco Systems 78-6897-01 manual Processor Card Numbering, Port Numbering

Understanding Interface Numbering

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 Figure 1-3.

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 Figure 1-4.

Figure1-4 Port Numbering

1-6ATMSwitch Router Quick Software Configuration Guide