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OC12 Packet Over SONET Line Card Installation and Configuration
OL-3437-01
Chapter 1 Overview
Identifying Interface Addresses
Cisco 7304 Router Interface Addresses
This section describes how to identify the interface addresses used for the OC12 POS line card in a
Cisco 7304 router. The interface address is composed of a two-part number in the format
slot-number/interface-port-number. See Table 1-4 for the interface address format.
In a Cisco 7304 router, slots are numbered, beginning with slot 0 (a dual-width slot reserved for the
NSE-100) on the bottom, and continuing from the lower left to the upper right through slot 5.
Note The NSE-100 is the only card supported in slot 0.
The interface address of the interface on an OC12 POS line card in slot 2 is 2/0 (slot 2 and interface 0).
If the OC12 POS line card was in slot 4, this same interface would be numbered 4/0 (slot 4 and
interface 0).
Table 1-4 Identifying Interface Addresses
Platform Interface Address Format Numbers Syntax
Cisco 7304 router Slot-number/interface-port-number Slot—0 through 5
1
1. Slot 0 and slot 1 are reserved for the network services engine (NSE).
2/0
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