Cisco Cisco Packet Data Gateway (PDG) Guida Dell'Amministratore

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Cisco ASR 5500 System Administration Guide ▄

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CONTENTS

About this Guide .............................................................................................. xiii

Conventions Used .................................................................................................................................. xiv

Supported Documents and Resources ...................................................................................................xv

Related Documentation ...................................................................................................................... xv

Contacting Customer Support .................................................................................................................xv

System Operation and Configuration ............................................................. 17

Terminology ............................................................................................................................................ 18

Contexts ............................................................................................................................................. 18

Ports ................................................................................................................................................... 18

Logical Interface ................................................................................................................................. 18

Management Interface ....................................................................................................................... 19

Bindings .............................................................................................................................................. 19

Services .............................................................................................................................................. 19

AAA Servers ....................................................................................................................................... 20

Subscribers ........................................................................................................................................ 20

How the System Selects Contexts ......................................................................................................... 21

Context Selection for Context-level Administrative User Sessions .................................................... 21

Context Selection for Subscriber Sessions ........................................................................................ 23

Understanding the ASR 5500 Boot Process .......................................................................................... 24

Understanding Configuration Files ......................................................................................................... 26

IP Address Notation ................................................................................................................................ 28

IPv4 Dotted-Decimal Notation ............................................................................................................ 28

IPv6 Colon-Separated-Hexadecimal Notation ................................................................................... 28

CIDR Notation .................................................................................................................................... 28

Alphanumeric Strings ............................................................................................................................. 30

Character Set ..................................................................................................................................... 30

Quoted Strings ................................................................................................................................... 31

Getting Started .................................................................................................. 33

ASR 5500 Configuration ......................................................................................................................... 34

Using the ASR 5500 Quick Setup Wizard .............................................................................................. 34

Using the CLI for Initial Configuration ..................................................................................................... 40

Configuring the System for Remote Access........................................................................................... 42

Configuring the Management Interface with a Second IP Address........................................................ 44

System Settings ................................................................................................ 45

Configuring a Second Management Interface ........................................................................................ 46

Verifying and Saving Your Interface and Port Configuration .................................................................. 47

Configuring System Timing .................................................................................................................... 48

Setting the System Clock and Time Zone .......................................................................................... 48

Verifying and Saving Your Clock and Time Zone Configuration ........................................................ 48

Configuring Network Time Protocol Support ...................................................................................... 49

Configuring NTP Servers with Local Sources .................................................................................... 50

Using a Load Balancer ....................................................................................................................... 50

Verifying the NTP Configuration ......................................................................................................... 50

Enabling CLI Timestamping ................................................................................................................... 52

Configuring System Administrative Users .............................................................................................. 52