R3166-R3206-HP High-End Firewalls NAT and ALG Configuration Guide-6PW101

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Table 1 Dynamic NAT configuration task list
Task Remarks
Creating an address pool Required for configuring NAPT and many-to-many NAT
Configuring dynamic NAT
Required
Configure dynamic NAT on an interface.
• Static NAT
The mapping relationships between external and internal network addresses are manually configured.
Static NAT can meet fixed access requirements of a few users.
Perform the tasks in Table 2 to c
onfigure static NAT.
Table 2 Static NAT configuration task list
Task Remarks
Creating a static address mapping
Required
Static NAT supports two modes, one-to-one and net-to-net.
Enabling static NAT on an interface
Required
Configure static NAT on an interface.
Configuring an internal server
Perform the tasks in Table 3 to configure an internal server.
Table 3 Internal server configuration task list
Task Remarks
Creating an internal server
Required
Configure the internal server information.
Configuring a DNS mapping
Optional
The DNS mapping feature enables an internal host to use the domain name
to access an internal server located on the same private network, while the
DNS server resides on the public network.
IMPORTANT:
The firewall supports up to 16 DNS mappings.
Creating an address pool
Select Firewall > NAT Policy > Dynamic NAT from the navigation tree to enter the page shown in Figure
4. In the Address Pool field where all NAT address pools are displayed, click Add to enter the Add NAT
Address Pool page shown in Figure 5.