H3C S9500 Series Operation Manual

Operation Manual - L3+NAT
H3C S9500 Series Routing Switches
Chapter 1 NAT Configuration....................................................................................................... 1-1
1.1 NAT Overview.................................................................................................................... 1-1
1.1.1 Introduction to NAT ................................................................................................. 1-1
1.1.2 NAT Functionalities ................................................................................................. 1-3
1.2 NAT Configuration Task List.............................................................................................. 1-6
1.3 Configuring Address Translation ....................................................................................... 1-7
1.3.1 Introduction to Address Translation ........................................................................ 1-7
1.3.2 Configuring Address Translation............................................................................. 1-8
1.4 Configuring Internal Server.............................................................................................. 1-10
1.4.1 Introduction to Internal Server............................................................................... 1-10
1.4.2 Configuring an Internal Server .............................................................................. 1-10
1.5 Configuring the Binding ................................................................................................... 1-11
1.5.1 Introduction to Binding .......................................................................................... 1-11
1.5.2 Configuration Procedure ....................................................................................... 1-11
1.6 Configuring NAT Log ....................................................................................................... 1-12
1.6.1 Introduction to NAT Log ........................................................................................ 1-12
1.6.2 Enabling NAT Log Function .................................................................................. 1-12
1.6.3 Exporting NAT Logs .............................................................................................. 1-13
1.7 Configuring User Resource Limit..................................................................................... 1-15
1.7.1 Introduction to User Resource Limit...................................................................... 1-15
1.7.2 Configuring User Resource Limit .......................................................................... 1-15
1.8 Configuring Connection-limit............................................................................................ 1-16
1.8.1 Introduction to Connection-limit............................................................................. 1-16
1.8.2 Configuration Procedure ....................................................................................... 1-16
1.9 Displaying and Maintaining NAT...................................................................................... 1-18
1.10 NAT Configuration Example .......................................................................................... 1-19
1.10.1 NAT Configuration Example................................................................................ 1-19
1.10.2 Exporting NAT Logs to the Information Center ................................................... 1-21
1.10.3 Exporting NAT logs to Log Server....................................................................... 1-24
1.11 Troubleshooting NAT..................................................................................................... 1-25
1.11.1 Symptom 1: Abnormal Translation of IP Addresses ........................................... 1-25
1.11.2 Symptom 2: Internal Server Functions Abnormally............................................. 1-25

Table of Contents

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Table of Contents