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CLI-based Configuration Guide - IP Service

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R010

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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Configuring Outbound NAT

Configuring Outbound NAT

Context

The address pool used by outbound NAT stores a set of public IP addresses used by dynamic NAT. When dynamic NAT is performed, an address in the address pool is selected for NAT address translation.

To access external networks through dynamic NAT, intranet users can choose one of the following modes based on their public IP address plan:

  • After users configure the IP address of outbound ports and other applications on the NAT device, there are still some available public IP addresses. Users can choose outbound NAT with an address pool.
  • After users configure the IP address of outbound ports on the NAT device and other applications, there are no available public IP addresses. Users can choose Easy IP that uses the IP address of outbound ports on the NAT device to implement dynamic NAT.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Configure outbound NAT. Users can choose one of the following configuration methods based on actual situations:
    • Configure outbound NAT with an address pool.
      1. Run nat address-group group-index start-address end-address

        A public address pool is configured.

      2. Run interface interface-type interface-number [ .subnumber ]

        The interface view or sub-interface view is displayed.

      3. Run nat outbound acl-number address-group group-index [ no-pat ]

        Outbound NAT that references an address pool is configured.

    • Configure Easy IP without an address pool.
      1. Run interface interface-type [ .subnumber ]

        The interface view or sub-interface view is displayed.

      2. Run nat outbound acl-number [ interface interface-type interface-number [ .subnumber ] ] [ vrrp vrrpid ]

        Easy IP is configured.

Translation
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Updated: 2019-05-20

Document ID: EDOC1100034231

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