Cisco Systems manual Cisco ASR 901 10G Router

Chapter 1 Introduction

Router Interface Numbering

Cisco ASR 901 10G Router

Each network interface on a Cisco ASR 901 10G 10G router is identified by a slot number and a port number, explained in this sequence:

•Logical slot numbers starts from 0 for all built-in interfaces. The numbering format is Interface type Slot number/Interface number. Interface (port) numbers begin at logical 0 for each interface type.

•Logical interface numbering for 10G SFP+ ports runs from 0/0 through 0/1. Ports are numbered bottom to top.

•Logical interface numbering for T1/E1 ports on the TDM interface module runs from 0/0 through 0/7. Ports are numbered bottom to top, left to right.

•Logical interface numbering for the built-in ethernet ports runs from g0/0 through g0/3, the combo ports run from g0/4 to g0/7 and the SFP ports run from g0/8 through g0/11. The GE ports are numbered bottom to top, left to right.

Figure 1-5 Cisco ASR 901 10G Router Port Numbers

1

2

3

13

12

10

11

9

8

7

6

334515

5

4

1	ToD port	7	BITS port
2	Management port	8	MINI-Coax Connector (1PPS)
3	8 GE ports	9	MINI-Coax Connector (10MHZ)

	Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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