Operation Manual – NAT-URPF-VPLSH3C S9500 Series Routing Switches Table of ContentsiTable of ContentsChapter 1 NAT Configuration ..................................................................................................... 1-11.1 NAT Overview ................................................................................................................... 1-11.1.1 Introduction to NAT ................................................................................................ 1-11.2 NAT Features ................................................................................................................... 1-31.2.1 NAT and NAT Control ............................................................................................ 1-31.2.2 NAPT ...................................................................................................................... 1-41.2.3 Easy IP ................................................................................................................... 1-51.2.4 Internal Servers ..................................................................................................... 1-51.2.5 Configuring Nonstandard FTP Internal Server .................................................... 1-61.2.6 Special Protocols Supported by NAT ................................................................... 1-61.3 NAT Configuration ............................................................................................................ 1-61.3.1 Configuring an Address Pool ................................................................................ 1-71.3.2 Configuring NAT .................................................................................................... 1-81.3.3 Configuring Internal Servers ............................................................................... 1-111.3.4 Configuring Nonstandard FTP Server ............................................................... 1-121.3.5 Configuring NAT Blacklist Attributes .................................................................. 1-131.3.6 Configuring the Aging Time of NAT Connections .............................................. 1-141.3.7 Configuring NAT Security Logging ..................................................................... 1-141.4 Displaying NAT Configuration ....................................................................................... 1-171.5 NAT Configuration Example .......................................................................................... 1-18Chapter 2 URPF Configuration .................................................................................................. 2-12.1 URPF Overview ................................................................................................................ 2-12.2 URPF Configuration ......................................................................................................... 2-12.3 URPF Configuration Example I ....................................................................................... 2-32.4 URPF Configuration Example II ...................................................................................... 2-5Chapter 3 VPLS Configuration .................................................................................................. 3-13.1 VPLS Overview ................................................................................................................ 3-13.1.1 Introduction to VPLS ............................................................................................. 3-13.2 Basic VPLS Network Architectures ................................................................................. 3-23.3 VPLS Operational Principle ............................................................................................. 3-33.3.1 VPLS Basic Transmission Components .............................................................. 3-33.4 Concepts Related to VPLS .............................................................................................. 3-53.4.1 MPLS L2VPN ......................................................................................................... 3-53.4.2 CE ........................................................................................................................... 3-63.4.3 PE ........................................................................................................................... 3-63.4.4 VSI .......................................................................................................................... 3-63.5 VPLS Basic Configuration ............................................................................................... 3-6