Cisco SRP521W-K9-G1 Administration Guide - Page 68

Configuring the Network NAT 5 Port Forwarding Settings Field Description Port Forwarding Type Choose the type of port forwarding from the drop-down list Select Single Port Forwarding to forward traffic for a specified port on to the same or an alternative port on the target server in the LAN. Select Port Range Forwarding to forward traffic to a range of ports to the same ports on the target server in the LAN. Refer to the Internet application's documentation for the required ports or ranges. Application Name For single port forwarding, choose a common application from the drop-down list (such as Telnet, or DNS). To enter application that is not on the list, choose Add a new name, and then enter the name of a new application. Enter a Name For single port-forwarding, enter the name of the new application. Wan Interface Name Select the WAN interface to which the traffic is initially addressed. External Port For single port forwarding, enter the port number that external clients will use to set up a connection with the internal server. Internal Port For single port forwarding, enter the port number that the SRP uses when forwarding traffic to the internal server. For simplicity, internal and external port numbers will often be the same, however, different External port numbers could be used to differentiate traffic of the same application type intended for different internal servers, or to promote privacy through the use of nonstandard ports. Protocol Select the protocol(s) to be forwarded: TCP, UDP or Both. Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models) 68