Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

Bidirectional NAT

Bidirectional NAT is just a scenario in which both SNAT and DNAT are configured at the same time. Bidirectional NAT is typically used when internal hosts need to initiate sessions with external hosts and external hosts need to initiate sessions with internal hosts. The following figure shows an example of bidirectional NAT.

Figure 1. Bidirectional NAT