这篇文档介绍如何在Ubuntu下配置Wi-Fi同时工作在STA+AP模式。
准备工作
固件基于V2005版本，并将OTA升级到最新的版本。
开始配置
将wlan0配置为STA模式，将wlan1配置为AP模式。
添加wlan1
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| khadas@Khadas:~$ sudo iw phy phy0 interface add wlan1 type managed
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验证是否添加成功：
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| khadas@Khadas:~$ ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.193 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::a2f4:5aa3:a444:7845 prefixlen 64 scopeid 0x20<link>
ether 00:15:18:01:81:31 txqueuelen 1000 (Ethernet)
RX packets 194992 bytes 219966606 (219.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 38392 bytes 2602312 (2.6 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 14
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1 (Local Loopback)
RX packets 6 bytes 624 (624.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 6 bytes 624 (624.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 18:93:7f:a9:9d:0e txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2 bytes 180 (180.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 1a:93:7f:a9:9d:0e txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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设置AP
将wlan1设置为热点并且自动连接，热点名字为khadas_ap，密码为12345678。
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| $ sudo nmcli con add type wifi ifname wlan1 con-name Hostspot autoconnect yes ssid khadas_ap
$ sudo nmcli con modify Hostspot 802-11-wireless.mode ap 802-11-wireless.band bg ipv4.method shared
$ sudo nmcli con modify Hostspot wifi-sec.key-mgmt wpa-psk
$ sudo nmcli con modify Hostspot wifi-sec.psk "12345678"
$ sudo nmcli con modify Hostspot ipv4.addresses 192.168.2.20/24
$ sudo nmcli con modify Hostspot ipv4.gateway 192.168.2.1
$ sudo nmcli con up Hostspot
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验证是否设置成功：
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| khadas@Khadas:~$ ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.193 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::a2f4:5aa3:a444:7845 prefixlen 64 scopeid 0x20<link>
ether 00:15:18:01:81:31 txqueuelen 1000 (Ethernet)
RX packets 194992 bytes 219966606 (219.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 38392 bytes 2602312 (2.6 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 14
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1 (Local Loopback)
RX packets 6 bytes 624 (624.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 6 bytes 624 (624.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 18:93:7f:a9:9d:0e txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2 bytes 180 (180.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.2.20 netmask 255.255.255.0 broadcast 192.168.2.255
inet6 fe80::2069:83c5:2e4c:2614 prefixlen 64 scopeid 0x20<link>
ether 1a:93:7f:a9:9d:0e txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 18 bytes 1312 (1.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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验证
1、关闭以太网。
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| khadas@Khadas:~$ sudo ifconfig eth0 down
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2、wlan0是否能用于上网。
尝试ping www.khadas.com:
2.4G Hz
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| khadas@Khadas:~$ sudo ping -I wlan0 www.khadas.com
PING td-balancer-dc11-60-161.wixdns.net (185.230.60.161) from 192.168.124.80 wlan0: 56(84) bytes of data.
64 bytes from 185.230.60.161 (185.230.60.161): icmp_seq=1 ttl=240 time=293 ms
64 bytes from 185.230.60.161 (185.230.60.161): icmp_seq=2 ttl=240 time=316 ms
64 bytes from 185.230.60.161 (185.230.60.161): icmp_seq=3 ttl=240 time=238 ms
...
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5G Hz
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| $ sudo nmcli con add type wifi ifname wlan1 con-name Hostspot autoconnect yes ssid khadas_ap_5G
$ sudo nmcli c modify Hostspot 802-11-wireless.mode ap 802-11-wireless.band a 802-11-wireless.channel 149 802-11-wireless.powersave 2 ipv4.method shared
$ sudo nmcli con modify Hostspot wifi-sec.key-mgmt wpa-psk
$ sudo nmcli con modify Hostspot wifi-sec.psk "12345678"
$ sudo nmcli con modify Hostspot ipv4.addresses 192.168.2.20/24
$ sudo nmcli con modify Hostspot ipv4.gateway 192.168.2.1
$ sudo nmcli con up Hostspot
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配置成5G,需要设置一下信道。
3、wlan1是否能作为热点连接。