HostA$ ip -d link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 promiscuity 0 addrgenmode eui64
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP mode DEFAULT group default qlen 1000
link/ether 94:c6:91:xx:xx:xx brd ff:ff:ff:ff:ff:ff promiscuity 1
bridge_slave state forwarding priority 32 cost 4 hairpin off guard off root_block off fastleave off learning on flood on addrgenmode eui64
3: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN mode DEFAULT group default qlen 100
link/none promiscuity 0
tun
4: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br0 state UP mode DEFAULT group default qlen 1000
link/ether 30:52:cb:xx:xx:xx brd ff:ff:ff:ff:ff:ff promiscuity 1
bridge_slave state forwarding priority 32 cost 100 hairpin off guard off root_block off fastleave off learning on flood on addrgenmode eui64
5: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 30:52:cb:xx:xx:xx brd ff:ff:ff:ff:ff:ff promiscuity 0
bridge forward_delay 1500 hello_time 200 max_age 2000 ageing_time 30000 stp_state 0 priority 32768 vlan_filtering 0 vlan_protocol 802.1Q addrgenmode eui64
6: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default
link/ether 02:42:62:xx:xx:xx brd ff:ff:ff:ff:ff:ff promiscuity 0
bridge forward_delay 1500 hello_time 200 max_age 2000 ageing_time 30000 stp_state 0 priority 32768 vlan_filtering 0 vlan_protocol 802.1Q addrgenmode eui64
HostA$ cat /etc/network/interfaces
auto lo br0 wlan0
iface lo inet loopback
iface br0 inet static
bridge_ports eth0
address 192.168.12.2
broadcast 192.168.12.255
netmask 255.255.255.0
gateway 192.168.12.1
iface wlan0 inet manual
hostapd /etc/hostapd/hostapd.conf
HostA $ cat /etc/hostapd/hostapd.conf
interface=wlan0
bridge=br0
driver=nl80211
logger_syslog=-1
logger_syslog_level=1
logger_stdout=-1
logger_stdout_level=2
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
hw_mode=a
channel=36
beacon_int=100
dtim_period=2
max_num_sta=255
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
ieee80211n=1
ht_capab=[LDPC][TX-STBC][RX-STBC1][DSSS_CCK-40][HT40+][HT40-][MAX-AMSDU-7935]
ieee80211ac=1
vht_capab=[MAX-MPDU-11454][RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-2BY1][MAX-A-MPDU-LEN-EXP7][RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN]
vht_oper_chwidth=1
vht_oper_centr_freq_seg0_idx=42
eapol_key_index_workaround=0
eap_server=0
wpa=2
country_code=IL
ssid=xxxxxxxxxxxx
wpa_passphrase=xxxxxxxxxxxx
wpa_pairwise=TKIP CCMP
