Checking The Configuration; Configuration Examples; Example For Configuring The Nat Server - Huawei S9700 Series Configuration Manual

S9700 Core Routing Switch
Configuration Guide - SPU
Twice NAT is configured.
The overlapping address pool and temporary address pool contain consecutive IP addresses. The
lengths of the two address pools are the same, and up to 255 IP addresses can be configured in
each of the two address pools.
Up to 128 mapping entries between the overlapping address pool and the temporary address
pool can be configured.
When the VPN instance of the configuration is deleted, the configuration of twice NAT is also
deleted.
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3.3.12 Checking the Configuration

After NAT is configured, you can view information about NAT.
Procedure
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3.4 Configuration Examples

This section provides several configuration examples of NAT.

3.4.1 Example for Configuring the NAT Server

Networking Requirements
As shown in
NAT enabled. Company A provides the web server for users on the public network to access.
Issue 01 (2012-03-15)
Run the display nat alg command to check whether the NAT ALG function is enabled.
Run the display nat address-group [ group-index ] [ verbose ] command to check the
configuration of the NAT address pool.
Run the display nat dns-map [ domain-name ] command to check information about DNS
mapping.
Run the display nat outbound [ acl acl-number | address-group group-index |
interface { xgigabitEthernet | eth-trunk } interface-number.subnumber ] command to
check information about outbound NAT.
Run the display nat overlap-address { map-index | all | inside-vpn-instance inside-vpn-
instance-name } command to check information about twice NAT.
Run the display nat server [ global global-address | inside host-address [ vpn-instance
vpn-instance-name ] | interface interface-type interface-number.subnumber ] command to
check the configuration of the NAT server.
Run the display nat static [ global global-address | inside host-address [ vpn-instance
vpn-instance-name ] | interface interface-type interface-name ] command to check the
configuration of static NAT.
Run the display nat mapping table { all | number } command to view the NAT mapping
table information or number of entries in the table.
Figure 3-4, the intranet of company A connects to the WAN through the SPU with
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3 NAT Configuration
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