Juniper IP SERVICES - CONFIGURATION GUIDE V 11.1.X Configuration Manual page 10

JUNOSe 11.1.x IP Services Configuration Guide
Chapter 2
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Table of Contents
Using the Null Interface .................................................................................33
Prefix Lists ....................................................................................................33
Using a Prefix List ...................................................................................34
Prefix Trees ...................................................................................................36
Using a Prefix Tree .................................................................................37
Community Lists ...........................................................................................38
Extended Community Lists .....................................................................42
Using Regular Expressions ............................................................................44
AS-path Lists ...........................................................................................44
Community Lists .....................................................................................45
Community Numbers .............................................................................45
Metacharacters .......................................................................................45
Using Metacharacters as Literal Tokens ..................................................46
Regular Expression Examples .................................................................47
Managing the Routing Table ..........................................................................49
Troubleshooting Routing Policy .....................................................................50
Monitoring Routing Policy .............................................................................50
Configuring NAT
Overview .......................................................................................................63
Platform Considerations ................................................................................64
Module Requirements .............................................................................64
References ....................................................................................................64
NAT Configurations .......................................................................................65
Traditional NAT .......................................................................................65
Basic NAT .........................................................................................65
NAPT ................................................................................................66
Bidirectional NAT ....................................................................................66
Twice NAT ..............................................................................................66
Network and Address Terms .........................................................................66
Inside Local Addresses ............................................................................67
Inside Global Addresses ..........................................................................67
Outside Local Addresses .........................................................................67
Outside Global Addresses ........................................................................67
Understanding Address Translation ...............................................................67
Inside Source Translation ........................................................................67
Outside Source Translation .....................................................................68
Address Assignment Methods .......................................................................68
Static Translations ...................................................................................68
Dynamic Translations .............................................................................69
Order of Operations ......................................................................................69
Inside-to-Outside Translation ..................................................................69
Outside-to-Inside Translation ..................................................................69
PPTP and GRE Tunneling Through NAT .........................................................70
Packet Discard Rules .....................................................................................70
Before You Begin ...........................................................................................70
Configuring a NAT License ............................................................................71
Limiting Translation Entries ..........................................................................71
Specifying Inside and Outside Interfaces .......................................................71
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