123Step Command Remarks2. Configure an addressgroup and enter its view. nat address-group group-number By default, no address group exists.3. Add a group member tothe address group. address start-address end-addressBy default, no group member exists.You can add multiple members to anaddress group.The IP addresses of the members mustnot overlap.4. Enter interface view. interface interface-typeinterface-number N/A5. Configure inbounddynamic NAT.nat inbound acl-numberaddress-group group-number[ vpn-instance vpn-instance-name ][ no-pat [ reversible ] [ add-route ]By default, inbound dynamic NAT isnot configured.Configuring NAT ServerConfiguring NAT Server is to map an external IP address and port number to the real IP address and portnumber of an internal server on the interface that connects the external network.An internal server can be located in a common private network or an MPLS L3VPN.If you specify the acl keyword for the NAT Server configuration, only packets matching the ACL permitrule are translated. NAT uses only the match criteria of the source IP address, source port number,destination IP address, destination port number, transport layer protocol, and VPN instance in the ACLrule for packet matching.Configuring common NAT ServerMap the real private IP address and port number of an internal server to a public IP address and portnumber so that hosts in external networks can access the internal server.To configure common NAT Server:Step Command Remarks1. Enter systemview. system-view N/A2. Enter interfaceview. interface interface-type interface-number N/A