Cisco Cisco Packet Data Interworking Function (PDIF) 管理员指南

Cisco

Cisco ASR 5000 System Administration Guide ▄

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CONTENTS

About this Guide ............................................................................................... xv

Conventions Used .................................................................................................................................. xvi

Supported Documents and Resources ................................................................................................. xvii

Related Documentation ..................................................................................................................... xvii

Contacting Customer Support ............................................................................................................... xvii

System Operation and Configuration ............................................................. 19

Terminology ............................................................................................................................................ 20

Contexts ............................................................................................................................................. 20

Ports ................................................................................................................................................... 20

Logical Interface ................................................................................................................................. 20

Management Interface ....................................................................................................................... 20

Bindings .............................................................................................................................................. 21

Services .............................................................................................................................................. 21

AAA Servers ....................................................................................................................................... 22

Subscribers ........................................................................................................................................ 22

How the System Selects Contexts ......................................................................................................... 23

Context Selection for Context-level Administrative User Sessions .................................................... 23

Context Selection for Subscriber Sessions ........................................................................................ 25

Understanding the ASR 5000 Boot Process .......................................................................................... 26

Understanding Configuration Files ......................................................................................................... 28

IP Address Notation ................................................................................................................................ 30

IPv4 Dotted-Decimal Notation ............................................................................................................ 30

IPv6 Colon-Separated-Hexadecimal Notation ................................................................................... 30

CIDR Notation .................................................................................................................................... 30

Alphanumeric Strings ............................................................................................................................. 32

Character Set ..................................................................................................................................... 32

Quoted Strings ................................................................................................................................... 33

Getting Started .................................................................................................. 35

ASR 5000 Configuration ......................................................................................................................... 36

Using the ASR 5000 Quick Setup Wizard .............................................................................................. 36

Using the CLI for Initial Configuration ..................................................................................................... 41

Configuring the System for Remote Access........................................................................................... 44

Configuring the Management Interface with a Second IP Address........................................................ 46

System Settings ................................................................................................ 47

Configuring a Second Management Interface ........................................................................................ 48

Verifying and Saving Your Interface and Port Configuration .................................................................. 49

Configuring System Timing .................................................................................................................... 50

Setting the System Clock and Time Zone .......................................................................................... 50

Verifying and Saving Your Clock and Time Zone Configuration ........................................................ 50

Configuring Network Time Protocol Support ...................................................................................... 51

Configuring NTP Servers with Local Sources .................................................................................... 52

Using a Load Balancer ....................................................................................................................... 52

Verifying the NTP Configuration ......................................................................................................... 52

Configuring Transmit Timing Source ...................................................................................................... 54

Configure BITS as the Timing Source ................................................................................................ 54