The following is my configuration and typing when I used in past
root@OpenWrt:/# vi /etc/config/wireless
config wifi-device ra0
option type ralink
option mode 9
option channel auto
option txpower 100
option ht 20
option country KR
# REMOVE THIS LINE TO ENABLE WIFI:
option disabled 0
config wifi-iface
option device ra0
option network lan
# option mode ap
option mode monitor
option ssid WyPLUG1A7C
option encryption none
option key wyplugCE4E!
# option ApCliEnable '1'
# option ApCliAuthMode 'NONE'
# option ApCliEncrypType 'NONE'
# option ApCliEnable '1'
# option ApCliAuthMode 'WPA2PSK'
# option ApCliEncrypType 'AES'
# option ApCliPassWord ''
# option ApCliSsid ''
--------------------------------------------------------------
root@OpenWrt:/# cat /etc/config/network
config interface 'loopback'
option ifname 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option ula_prefix 'fdfb:1297:6503::/48'
config interface 'lan'
option ifname 'eth0.1'
option force_link '1'
option macaddr '64:51:7e:80:1a:7c'
option type 'bridge'
option proto 'static'
option ipaddr '192.168.8.1'
option netmask '255.255.255.0'
config interface 'wan'
option ifname 'apcli0'
# option force_link '1'
# option macaddr '64:51:7e:80:1a:7d'
option proto 'dhcp'
config interface 'wwan'
option ifname 'apcli0'
option proto 'dhcp'
config switch
option name 'switch0'
option reset '1'
option enable_vlan '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '1 2 3 4 6t'
config switch_vlan
option device 'switch0'
option vlan '2'
option ports '0 6t'
--------------------------------------------------------------
root@OpenWrt:/# ifconfig
apcli0 Link encap:Ethernet HWaddr --:--:--:--:--:--( i concealed )
inet6 addr: fe80::c:43ff:fe76:2058/64 Scope:Link
br-lan Link encap:Ethernet HWaddr --:--:--:--:--:--
inet addr:192.168.8.1 Bcast:192.168.8.255 Mask:255.255.255.0
eth0 Link encap:Ethernet HWaddr --:--:--:--:--:--
inet6 addr: fe80::6651:7eff:fe80:1a7c/64 Scope:Link
eth0.1 Link encap:Ethernet HWaddr --:--:--:--:--:--
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
ra0 Link encap:Ethernet HWaddr --:--:--:--:--:--
inet6 addr: fe80::20c:43ff:fe76:2058/64 Scope:Link
--------------------------------------------------------------
root@OpenWrt:/# ifconfig ra0 down
br-lan: port 2(ra0) entered disabled state
root@OpenWrt:/# iwconfig ra0 mode monitor
Error for wireless request "Set Mode" (8B06) :
SET failed on device ra0 ; Operation not supported.
root@OpenWrt:/# ifconfig apcli0 down
root@OpenWrt:/# iwconfig apcli0 mode monitor
Error for wireless request "Set Mode" (8B06) :
SET failed on device apcli0 ; Network is down.
--------------------------------------------------------------
root@OpenWrt:/# iwconfig
wds1 RTWIFI SoftAP ESSID:""
Mode:Managed Channel=9 Access Point: Not-Associated
Bit Rate:144 Mb/s
eth0.1 no wireless extensions.
lo no wireless extensions.
wds0 RTWIFI SoftAP ESSID:"WyPLUG1A7C"
Mode:Managed Channel=9 Access Point: 00:0C:43:76:20:58
Bit Rate=144 Mb/s
ra0 RTWIFI SoftAP ESSID:"WyPLUG1A7C"
Mode:Managed Channel=9 Access Point: 00:0C:43:76:20:58
Bit Rate=144 Mb/s
eth0 no wireless extensions.
wds3 RTWIFI SoftAP ESSID:""
Mode:Managed Channel=9 Access Point: Not-Associated
Bit Rate:144 Mb/s
apcli0 RTWIFI SoftAP ESSID:"wapeul"
Mode:Managed Channel=9 Access Point: 64:E5:99:BB:F1:7A
Bit Rate=144 Mb/s
br-lan no wireless extensions.
wds2 RTWIFI SoftAP ESSID:""
Mode:Managed Channel=9 Access Point: Not-Associated
Bit Rate:144 Mb/s
(u said use others like wds0~3 and apcli0, not ra0. I will try it)
--------------------------------------------------------------
root@OpenWrt:/# iw reg get
global
country 00: DFS-UNSET
(2402 - 2472 @ 40), (6, 20), (N/A)
(2457 - 2482 @ 40), (6, 20), (N/A), PASSIVE-SCAN
(2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN
(5170 - 5250 @ 160), (6, 20), (N/A), PASSIVE-SCAN
(5250 - 5330 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
(5490 - 5730 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
--------------------------------------------------------------
root@OpenWrt:/# iwconfig ra0 mode monitor
Error for wireless request "Set Mode" (8B06) :
SET failed on device ra0 ; Operation not supported.
--------------------------------------------------------------
root@OpenWrt:/# airmon-ng start ra0
ps: invalid option -- A
BusyBox v1.23.2 (2016-07-11 19:12:30 KST) multi-call binary.
Usage: ps
Show list of processes
w Wide output
Interface Chipset Driver
wds1 Ralink 2560 PCI rt2500
wds0 Ralink 2560 PCI rt2500
ra0 Ralink 2560 PCI rt2500 (monitor mode enabled)
wds3 Ralink 2560 PCI rt2500
apcli0 Ralink 2560 PCI rt2500
wds2 Ralink 2560 PCI rt2500
==> it looks like monitoring in interface ra0
root@OpenWrt:/# airmon-ng start ra0 1
ps: invalid option -- A
BusyBox v1.23.2 (2016-07-11 19:12:30 KST) multi-call binary.
Usage: ps
Show list of processes
w Wide output
Interface Chipset Driver
wds1 Ralink 2560 PCI rt2500
wds0 Ralink 2560 PCI rt2500
ra0 Ralink 2560 PCI rt2500 (monitor mode enabled)
wds3 Ralink 2560 PCI rt2500
apcli0 Ralink 2560 PCI rt2500
wds2 Ralink 2560 PCI rt2500
--------------------------------------------------------------
root@OpenWrt:/# airodump-ng ra0
ioctl(SIOCSIWMODE) failed: Operation not supported
ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211,
ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make
sure RFMON is enabled: run 'airmon-ng start ra0 <#>'
Sysfs injection support was not found either.
