Traffic Shaping in pfSense: Part Four

Traffic shaping in pfSense

Configuring VoIP settings in pfSense 2.2.4. Note that you can guarantee upload and download bandwidth with the traffic shaper wizard.

Once you enter the queuing disciples and connection speeds in the traffic shaper wizard, there are a number of other options to configure. The next is Voice over IP, and there are several options available for handing VoIP traffic. The first choice, the Prioritize Voice over IP traffic check box, is self-explanatory. It will enable the prioritization of VoIP traffic, and this behavior can be fine-tuned by the other settings on the same page. First, you can chose your VoIP provider:

 

    • VoicePulse: A U.S.-based VoIP provider founded in 2003. VoicePulse provides not only home phone services, but also business PBX services and enterprise-level SIP trunking.

 

  • Vonage: Another U.S.-based VoIP provider founded in 2001. Their most popular plan, Vonage World, offers unlimited international calling to over 60 countries for a flat monthly rate. Vonage supplies an analog telephone adapter with which the customer can connect standard analog telephones to the Internet.

 

 

  • Panasonic TDA: Panasonic’s VoIP PBX solution, done via a T1 or E1, and which provides mobile phone integration and BRI or PRI ISDN capability.

 

 

  • Asterisk: Open-source VoIP software which includes many features available in proprietary PBX systems: voice mail, conference calling, interactive voice response, and automatic call distribution. Although initially developed in the United States, it has become popular worldwide because it is freely available under open-source licensing and has a modular, extensible design.

 

 

If you have a different provider, you can choose Generic, or override this setting with the Address field by entering the IP of your VoIP phone or an alias containing the IPs of all your phones.

There is also an edit box in which you can enter the IP address of the upstream SIP server. If you do, the information in the Provider field will be overridden. You can also use a firewall alias in this field.

You may also choose the amount of upload and download bandwidth to guarantee for your VoIP phones. This will vary based on how many phones you have, and how much bandwidth each session will utilize. When you have finished entering the provider information and upload/download bandwidth, you can press the Next button.

The next page allows you to configure settings for the penalty box. This is a place to which you can relegate misbehaving users or devices that would otherwise consume more bandwith than desired. These users are assigned a hard bandwidth cap which they cannot exceed. Check the check box at the top of the page to enable this feature, enter an IP or alias in the address box, and then enter upload and download limits in kilobits per second in the appropriate edit boxes. It does not appear that you can type multiple IP addresses in the Address edit box, so if you want to penalize multiple hosts, you will have to create an alias.

Once you are finished configuring penalty box settings, you can press the Next button and move on to configuring settings for peer-to-peer networking, which will be covered in the next article.

External Links:

Traffic Shaping at Wikipedia
Voice over IP at Wikipedia

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