Wifi configure or re-configure for ‘N’ or ‘G’

The author’s original post

This was written to help setup your wireless card. Particularly an “N”
wireless card, but make the appropriate changes for an “G” card or what have
you. This method employs DCHP as opposed to a Bridge.

Pfsense 2.2: Setup Wireless N using pci-e WIFI card

 Pfsense 2.2: Setup Wireless N using pci-e WIFI cardPosted on 
May 10, 2015 May 10, 2015   1) Turn PFSense in to a Wireless N Access
Point using an internal pci-e WIFI Card.


 1) Pfsense 2.2 install on a physical device, with a compatible
internal WIFI card.

 In this example I will be using: D-Link DWA-556 Xtreme N 300M
PCI-Express AR5418


 1) Add the WIFI interface

2) Configure the WIFI interface

3) Setup DHCP for the interface

4) Add the Allow all firewall rule for the interface

 Step 1) Add the WIFI interface

 Add the interface by going to Interfaces- (assign)

Click the + to add a new interface

On the drop down select your wireless adapter. Should be ath0
or similar.


 Step 2) Configure the WIFI interface

 Click on the new interface Title usually  opt1  so that
we can edit the interface. (Alternatively go to interfaces and click on the new
interface from there.)

Click to enable the new interface.

Name the interface WIFI

Set the ipv4 IP Address to with a cidr of /24

Gateway does not need to be set.


 Set the standard to 802.11ng

Set the Channel to one that is least used around your area.

Set the region information under regulatory settings.


 Set the Mode to Access Point

Set the SSID as desired

Set the Minimum wireless standard to 802.11n

Enable WME tickbox

Enable WPA and set a passphrase

Set WPA Mode to WPA2

Set WPA Pairwise to AES


 Save the configuration

 Step 3) Setup DHCP for the interface

 Go to Services- DHCP Server

Select the WIFI interface Tab.

Enable DHCP on the interface Tickbox.

Set the Range from: to


 Save the DHCP server configuration.

 Step 4) Add the Allow all firewall rule for the interface

 Go to Firewall- Rules

Select the WIFI interface (tab)

Click add new rule.

Set the TCP/IP Version to TCP/UDP

Set the Source to WIFINET (when WIFI is the name of the WIFI

Set the Destination to any


 Saving the configuration.

Firewall rules should look like this, to allow all outbound traffic on
the interface.


 Go to Status- Interfaces


 Additional information:

 1) As of PFSense 2.2 some wireless N cards are supported.

 2) If changing modes between g and n, pfsense may need a reboot
before it goes in to n mode.



made to fit