A tier-1 logical router supports source NAT (SNAT), destination NAT (DNAT) and reflexive NAT. What to read next Configure Source NAT on a Tier-1 Router in Manager ModeSource NAT (SNAT) changes the source address in the IP header of a packet. It can also change the source port in the TCP/UDP headers. The typical usage is to change a private (rfc1918) address/port into a public address/port for packets leaving your network. Configure Destination NAT on a Tier-1 Router in Manager ModeDestination NAT changes the destination address in IP header of a packet. It can also change the destination port in the TCP/UDP headers. The typical usage of this is to redirect incoming packets with a destination of a public address/port to a private IP address/port inside your network. Advertise Tier-1 NAT Routes to the Upstream Tier-0 Router in Manager ModeAdvertising tier-1 NAT routes enables the upstream tier-0 router to learn about these routes. Advertise Tier-1 NAT Routes to the Physical Architecture in Manager ModeAdvertising tier-1 NAT routes from the tier-0 router enables the upstream physical architecture to learn about these routes. Verify Tier-1 NATVerify that SNAT and DNAT rules are working correctly. Parent topic: Network Address Translation