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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring Network Object NAT
Configuration Examples for Network Object NAT
Inside Load Balancer with Multiple Mapped Addresses (Static NAT,
One-to-Many)
The following example shows an inside load balancer that is translated to multiple IP addresses. When
an outside host accesses one of the mapped IP addresses, it is untranslated to the single load balancer
address. Depending on the URL requested, it redirects traffic to the correct web server. (See Figure 1-3).
Figure 1-3 Static NAT with One-to-Many for an Inside Load Balancer
Step 1 Create a network object for the addresses to which you want to map the load balancer:
hostname(config)# object network myPublicIPs
hostname(config-network-object)# range 209.165.201.3 209.265.201.8
Step 2 Create a network object for the load balancer:
hostname(config)# object network myLBHost
Step 3 Define the load balancer address:
hostname(config-network-object)# host 10.1.2.27
Step 4 Configure static NAT for the load balancer:
hostname(config-network-object)# nat (inside,outside) static myPublicIPs
Host
Outside
Inside
Load Balancer
10.1.2.27
Web Servers
Undo Translation
10.1.2.27209.165.201.3
Undo Translation
10.1.2.27209.165.201.4
Undo Translation
10.1.2.27209.165.201.5
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