Wireless network stops working

S

smg628

Hi everyone,
Lately I've installed FreeBSD 10.1-RELEASE-p5 on my home mini-server, and everything works fine but for my wireless network (wlan0, HostAP), wired network (em0) seems to be ok. The WLAN works but after some time (couple hours) I cannot connect to it, if I restart the interface it works fine, but after another couple of hours issue occurs again. My configuration below:

/etc/rc.conf (only important entries)
Code: 
ifconfig_em0="DHCP"
hostapd_enable="YES"
wlans_ath0="wlan0"
create_args_wlan0="wlanmode hostap"
ifconfig_wlan0="inet 192.168.100.1 netmask 255.255.255.0 ssid my_network_name mode 11ng channel 1"
defaultrouter="192.168.1.1"
static_routes="wlan"
route_wlan="-net 192.168.100.0/24 192.168.1.1"
gateway_enable="YES"
sshd_enable="YES"
linux_enable="YES"
dhcpd_enable="YES"
dhcpd_ifaces="wlan0"

#firewall & nat
pf_enable="YES"
pflog_enable="YES"
natd_enable="YES"
natd_interface="wlan0"
natd_flags="-dynamic -m"

/etc/hostap.conf
Code: 
interface=wlan0
debug=1
ctrl_interface=/var/run/hostapd
ctrl_interface_group=wheel
ssid=my_network_name
wpa=1
wpa_passphrase=my_password
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP

ifconfig
Code: 
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
    options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
    ether 00:22:4d:86:8e:27
    inet 192.168.1.12 netmask 0xffffff00 broadcast 192.168.1.255
    nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
    media: Ethernet autoselect (100baseTX <full-duplex>)
    status: active
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
    ether 14:cc:20:49:94:1c
    nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
    media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap>
    status: running
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
    options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
    inet6 ::1 prefixlen 128
    inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
    inet 127.0.0.1 netmask 0xff000000
    nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
    ether 14:cc:20:49:94:1c
    inet 192.168.100.1 netmask 0xffffff00 broadcast 192.168.100.255
    nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
    media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap>
    status: running
    ssid my_network_name channel 1 (2412 MHz 11g ht/40+) bssid 14:cc:20:49:94:1c
    regdomain 32924 country CN indoor ecm authmode WPA privacy MIXED
    deftxkey 3 AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 20 scanvalid 60
    protmode CTS ampdulimit 64k ampdudensity 8 shortgi wme burst
    dtimperiod 1 -dfs
pflog0: flags=141<UP,RUNNING,PROMISC> metric 0 mtu 33160

Any ideas? Because for now works only /etc/rc.d/netif restart wlan0 or rebooting server?
 
Thank you for replay,
All the configuration I pasted is from my mini-server, wlan0 in HostAP mode is my "wireless" router. By saying I couldn't connect to it I meant situation when after couple of hours I couldn't connect to my mini-server from client devices like my laptop, cell phones etc.
 
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