Wireless Access Point FreeBSD

Cisco AIR-PI21AG-E-K9 adapter installed. FreeBSD installs right driver

RC.CONF

ifconfig_em0="dhcp"
gateway_enable="YES"
dhcpd_enable="YES"
ipnat_enable="YES" # Start ipnat function
ipnat_rules="/etc/ipnat.rules" # rules definition file for ipnat

ifconfig before script

[root@ /etc]# <input>ifconfig</input>
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC>
        ether 70:f3:95:08:46:c7
        inet 192.168.139.51 netmask 0xffffff00 broadcast 192.168.139.255
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
<notice>ath0</notice>: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 2290
        ether 00:40:96:b2:b3:75
        media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
        status: no carrier
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=3<RXCSUM,TXCSUM>
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        inet6 ::1 prefixlen 128
        inet 127.0.0.1 netmask 0xff000000
        nd6 options=3<PERFORMNUD,ACCEPT_RTADV>

Script

Running the script below

#from man ath
#Se http://www.freebsd.org/doc/handbook/network-wireless.html
<notice>ifconfig wlan0 create wlandev ath0 wlanmode hostap</notice>
ifconfig wlan0 inet 10.168.139.1 netmask 0xffffff00 ssid FreeBSD weptxkey 1 wepmode on \
wepkey 1:0x1234567890 mode 11g channel 1
sysctl net.inet.ip.forwarding=1

ifconfig after script

em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC>
        ether 70:f3:95:08:46:c7
        inet 192.168.139.51 netmask 0xffffff00 broadcast 192.168.139.255
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
        ether 00:40:96:b2:b3:75
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
        status: running
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=3<RXCSUM,TXCSUM>
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        inet6 ::1 prefixlen 128
        inet 127.0.0.1 netmask 0xff000000
        nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
<notice>wlan0</notice>: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether 00:40:96:b2:b3:75
        inet 10.168.139.1 netmask 0xffffff00 broadcast 10.168.139.255
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
        status: running
        ssid FreeBSD channel 7 (2442 MHz 11g) bssid 00:40:96:b2:b3:75
        regdomain 55 indoor ecm authmode OPEN privacy ON deftxkey 1
        wepkey 1:40-bit txpower 20 scanvalid 60 protmode CTS wme burst
        dtimperiod 1 -dfs

Scanning nets

# <input>ifconfig wlan0 list scan</input>
SSID/MESH ID    BSSID              CHAN RATE   S:N     INT CAPS
DT3             00:17:0f:e7:a4:60    1   54M -75:-96  100 EPS  RSN WME
VIAnet          00:26:99:0f:ae:40    1   54M -92:-96  100 ES   WME
VIAnet          04:fe:7f:49:10:e0    1   54M -89:-96  102 ES   WME
Global-11g      00:0c:e6:08:26:02    6   54M -84:-96  100 ES   WME
Global-11g      00:0c:e6:08:22:02    6   54M -68:-96  100 ES   WME
Global-11g      00:0c:e6:08:21:02    6   54M -87:-96  100 ES   WME
VIAnet          00:26:99:33:f2:d0    6   54M -91:-96  100 ES   WME
Global-11g      00:0c:e6:08:29:02    6   54M -94:-96  100 ES   WME
VIAnet          00:26:99:33:fc:70   11   54M -91:-96  100 ES   WME
X-BusOnline     00:1b:b1:02:81:45    1   54M -93:-96  100 ES   WME ATH