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Date:      Wed, 15 Mar 2017 12:18:41 -0400
From:      Ernie Luzar <luzar722@gmail.com>
To:        freebsd-questions@FreeBSD.org
Subject:   Re: WIFI as access point
Message-ID:  <58C96961.9010804@gmail.com>
In-Reply-To: <58C17FEB.1020905@FreeBSD.org>
References:  <58C08444.8060600@gmail.com> <58C17FEB.1020905@FreeBSD.org>

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Dima Panov wrote:
> 
> Ernie Luzar wrote:
>> Hello List;
>>
>> I have this wifi card
>> http://www.dlink.com/al/sq/products/dwa-556-xtreme-n-pci-express-desktop-adapter
>>
>>
>> I recovered it from a decommissioned win7 box. On win7 this wifi card
>> could only be used to connect to a router access point.
>>
>> If I add this wifi card to my FreeBSD 11.0 system can it be configured
>> to function as an access point?
> 
> This card is fully support by ath driver as "AR5418 Wireless Network
> Adapter".
> Copmlete examples with various AP setup described in manual page for driver.
> 
> 

I have followed the handbook "30.3.6 Freebsd Host Access Points" Chapter 
in setting up this ath0 wifi card that is installed into my gateway box 
that has a LAN on it. A win7 laptop can see the ssid and connect to it. 
But it can not gain public internet access. Win7 wifi trouble shooting 
says no valid ip address and not end point. To me this sounds like a 
network configuration problem on my Freebsd gateway box.

/root >ifconfig wlan0
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 0
	ether 00:18:e7:d5:b3:84
	inet 10.0.10.100 netmask 0xffffff00 broadcast 10.0.10.255
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng
         <hostap>
	status: running
	ssid FBSD_AP channel 1 (2412 MHz 11g ht/40+) bssid
         00:18:e7:d5:b3:84
	regdomain FCC indoor ecm authmode WPA2/802.11i privacy MIXED
	deftxkey 3 AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 27
         scanvalid 60
	protmode CTS ampdulimit 64k ampdudensity 8 shortgi wme burst
	dtimperiod 1 -dfs
	groups: wlan



/root >cat /etc/hostapd.conf
interface=wlan0
debug=2
ctrl_interface=/var/run/hostapd
ctrl_interface_group=wheel
ssid=FBSD_AP
wpa=2
wpa_passphrase=test
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP


/root >cat /etc/rc.conf
Snip

gateway_enable="YES"

ifconfig_em0="DHCP"                # from cable modem
ifconfig_vge0="inet 10.0.10.2"     # to LAN switch

# Wifi in hostap mode
wlans_ath0="wlan0"
create_args_wlan0="wlanmode hostap"
ifconfig_wlan0="inet 10.0.10.100 netmask 255.255.255.0 ssid FBSD_AP mode 
  11g"
hostapd_enable="YES"

dhcpd_enable="YES"
dhcpd_conf="/usr/local/etc/dhcpd.conf"
dhcpd_ifaces="vge0"         # ASRock Server Lan Nic
dhcpd_flags="-q"


This general config has been working for many years, since release 3.0 
of Freebsd. The only thing new is the wifi card being used as a gateway 
hostap.

I do not understand what this is doing
fconfig_wlan0="inet 10.0.10.100 netmask 255.255.255.0

I can not find any documentation on this as to it's purpose.

I am trying to duplucate my cisco wifi router config which has this
security mode = wpa2 personal
encrytion = tkip or aes
network mode = BGN


Thanks for any help you can give me




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