Supported platforms

Vyatta NOS documentation

Learn how to install, configure, and operate Vyatta Network Operating System (Vyatta NOS), which helps to drive our virtual networking and physical platforms portfolio.

The destination filter

The destination filter specifies the packets to which NAT applies based on their destination address, port, or both. NAT applies only to packets that have a destination address, port, or both that match that defined in the filter.

If the destination filter is not specified, then by default, the rule matches packets sent to any destination address and port. The destination filter can be used in SNAT and DNAT rules.

Filtering packets by destination address

The following example shows how to apply a SNAT rule, rule 30, to packets with a destination address of Only packets with a destination address of have address translation performed.

vyatta@vyatta# set service nat source rule 30 destination address