ARRIS Consumer Care

SBG8300: Port Forwarding Setup

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Information

Question

How do I configure port forwarding in my SBG8300 gateway?

Answer

Port Forwarding allows the option to run a publicly accessible server on the home network by specifying the mapping of TCP and/or UDP ports to a local device. This enables incoming requests on specific port numbers to reach devices such as Web Servers, Mail Servers, Digital Video Recorders (DVR) and gaming devices. Port forwarding is setup by entering specific port(s). This document describes how to setup port forwarding by selecting from predefined commonly forwarded ports and by entering specific port(s) in the SBG8300.

Requirements

Client device IP Address
The port number(s) and protocol (TCP and/or UDP) of the service

After completing the Port Forwarding setup, it is recommended to reserve the IP address of the client device that was setup for port forwarding. Please refer to Article # 17970 - SBG8300: IP Address Reserve Setup.

Port Forwarding Setup

Launch a web browser, such as Internet Explorer, Firefox, or Safari. Enter http://192.168.0.1 into the address box, and press the Enter key. The https:// Redirect page will appear.
The SURFboard Web Manager is begin redirected to a more secure connection, click the Proceed button to continue. The Gateway > Login page will appear.
A security or private risk alert may appear on the web browser advising users to proceed with caution when accessing the Web Manager. There is no risk in proceeding to the Web Manager. For instructions to by-pass the alert screen, refer to article # 18181 - Alert Message for Web Manager Access.

NOTE: The Home Network Wizard will appear if this is the first time accessing the Web Manager. For assistance with the wizard, refer to article # 17969 - SBG8300: Web Manager First Time Login.
Enter admin in the Username field and enter the custom password in the Password field.

NOTE: If the Login page prompts for email address and password. Log into the Web Manager with the email and password used when setting up the SURFboard Manager app with the SBG8300.
Click the Login button. The Gateway > Summary page will appear.
On the Left-hand menu, click the Advanced link. The Advanced > Port Forwarding page will appear.
Click the Enable button for the Port Forwarding option.
Click the + Add Service button. The Advanced > Port Forwarding > Add Service page will appear.
Click the Common Service drop-down menu and select the available pre-configured service. The Service Type, Start Port, End Port fields will auto populate. Click here to proceed to step 14.

NOTE: If the service is not listed in the Common Service drop-down menu, select Other and click here to proceed to step 10 to setup the port manually.
Enter the name of the service in the Service Name field.
Leave the Service Type option at default TCP/UDP.
Enter the same port number into both the Internal Start Port and Internal Port End fields.

NOTE: When forwarding a range of ports, enter the start and end of the port range in the two fields.
Enter the same port number that were previously entered in the External Start Port and External Port End fields.
Click the Connected Device button. A pop-up window will appear.
Locate the client device by Device Name or IPv4 Address, then click the Add radio to select the device for this Port Forwarding setup.
Click the Add button. The pop-up window will close.
Click the Save button. The Advanced > Port Forwarding page will appear.
The port forward entry will appear below Port Forwarding section. Repeat steps 8 - 17 to forward additional ports.

NOTE: To delete a Port Forwarding entry, click the X button next to the entry and click OK on the Are you sure? pop-up window.