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# Create address group 1.
[Router] nat address-group 1
# Add address 202.38.1.2 to the group.
[Router-address-group-1] address 202.38.1.2 202.38.1.2
[Router-address-group-1] quit
# Create address group 2.
[Router] nat address-group 2
# Add address 202.38.1.3 to the group.
[Router-address-group-2] address 202.38.1.3 202.38.1.3
[Router-address-group-2] quit
# Enable inbound NO-PAT on interface GigabitEthernet 2/0/2 to translate the source IP address in
the DNS reply payload into the address in address group 1, and allow reversible NAT.
[Router] interface gigabitethernet 2/0/2
[Router-GigabitEthernet2/0/2] nat inbound 2000 address-group 1 no-pat reversible
# Enable outbound PAT on interface GigabitEthernet 2/0/2 to translate the source address of
outgoing packets into the address in address group 2.
[Router-GigabitEthernet2/0/2] nat outbound 2000 address-group 2
[Router-GigabitEthernet2/0/2] quit
# Configure a static route to 202.38.1.2 with GigabitEthernet 2/0/2 as the output interface and
20.2.2.2 as the next hop. (The next hop address varies by network.)
[Router] ip route-static 202.38.1.2 32 gigabitethernet 2/0/2 20.2.2.2
Verifying the configuration
# Verify that Host A can access the Web server by using its domain name. (Details not shown.)
# Display all NAT configuration and statistics.
[Router] display nat all
NAT address group information:
Totally 2 NAT address groups.
Address group 1:
Port range: 1-65535
Address information:
Start address End address
202.38.1.2 202.38.1.2
Address group 2:
Port range: 1-65535
Address information:
Start address End address
202.38.1.3 202.38.1.3
NAT inbound information:
Totally 1 NAT inbound rules.
Interface: GigabitEthernet2/0/2
ACL: 2000 Address group: 1 Add route: N
NO-PAT: Y Reversible: Y
Config status: Active
Global flow-table status: Active
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