ServerIron ADX NAT64 Configuration Guide 109
53-1002444-02
DRAFT: BROCADE CONFIDENTIAL
Chapter
7
Network Address Translation
In this chapter
•In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
•Configuring NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
•Forwarding packets without NAT translation . . . . . . . . . . . . . . . . . . . . . . . . 117
•Forwarding packets without NAT translation . . . . . . . . . . . . . . . . . . . . . . . . 117
•Translation timeouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
•Stateless static IP NAT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
•IP NAT redundancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
•Displaying NAT information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
•Clearing NAT entries from the table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Network address translation (NAT) allows ServerIron ADX to translate one IP address into another.
For example, the ServerIron ADX uses NAT to translate an internal public IP address to be routed
over the Internet as shown in Figure 17.
FIGURE 17 Mapping an internal address to an external address
The standard NAT feature described in this section provides translation for hosts attached to
private networks behind the ServerIron ADX, and is not to be confused with the address translation
features provided for server load balancing (SLB), that is, the standard NAT feature is not related to
SLB commands such as server source-nat, server source-nat-ip, or server source-ip.
150.1.1.1
10.1.1.1
External
Internal
Internet or
Intranet Backbone
SI
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