#22086: No connection on WLAN in 2.4G
-------------------------------------+-------------------------------------
Reporter: gazambuja@… | Owner: developers
Type: defect | Status: new
Priority: high | Milestone: Designated Driver
Component: base system | (Trunk)
Keywords: xiaomi, mt7620, | Version: Trunk
macaddress |
-------------------------------------+-------------------------------------
I have some Xiaomi Miwifi Mini, and all working just fine... except radio1
(2.4G). Sometimes (not always) when you connect to this interface you cant
navigate, even cant ping or ssh to my openwrt.
If I connect to 5G SSID all just work fine.
I try differents configurations:
- static IP on my sta
- differents channels
- differents hwmode
- with open network (with encryption=none)
I think the problem can be related to MAC Address, if in my laptop, check
de ARP, when the problem is going, the /proc/net/arp (in my linux) show:
{{{
$ iwconfig
wlp2s0 IEEE 802.11abgn ESSID:"Test2G"
Mode:Managed Frequency:2.437 GHz Access Point:
F0:B4:29:55:9F:47
Bit Rate=144.4 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-36 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1 Missed beacon:0
$ cat /proc/net/arp
IP address HW type Flags HW address Mask
Device
192.168.10.1 0x1 0x0 00:00:00:00:00:00 *
wlp2s0
}}}
This is all my related setup:
{{{
# cat /etc/openwrt_release
DISTRIB_ID='OpenWrt'
DISTRIB_RELEASE='Bleeding Edge'
DISTRIB_REVISION='r49031'
DISTRIB_CODENAME='designated_driver'
DISTRIB_TARGET='ramips/mt7620'
DISTRIB_DESCRIPTION='OpenWrt Designated Driver r49031'
DISTRIB_TAINTS=''
# ifconfig wlan1
wlan1 Link encap:Ethernet HWaddr F0:B4:29:55:9F:47
inet6 addr: fe80::f2b4:29ff:fe55:9f47/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2025 errors:0 dropped:0 overruns:0 frame:0
TX packets:87 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:145785 (142.3 KiB) TX bytes:18270 (17.8 KiB)
# iwconfig wlan1
wlan1 IEEE 802.11bgn Mode:Master Tx-Power=20 dBm
RTS thr:off Fragment thr:off
Power Management:off
# cat /etc/config/wireless
config wifi-device radio1
option type mac80211
option channel 6
option hwmode 11g
option path 'platform/10180000.wmac'
option htmode HT20
# option log_level 1
config wifi-iface "private2g"
option device 'radio1'
option mode 'ap'
option disassoc_low_ack 0
option encryption 'none'
option network 'lan'
option ssid 'Test2G'
option beacon_int 60
option disabled 0
# cat /var/run/hostapd-phy1.conf
driver=nl80211
logger_syslog=127
logger_syslog_level=1
logger_stdout=127
logger_stdout_level=1
hw_mode=g
channel=6
ieee80211n=1
ht_coex=0
ht_capab=[HT40+][SHORT-GI-20][SHORT-GI-40][TX-STBC][RX-STBC12]
interface=wlan1
ctrl_interface=/var/run/hostapd
ap_isolate=1
disassoc_low_ack=0
preamble=1
wmm_enabled=1
ignore_broadcast_ssid=0
uapsd_advertisement_enabled=1
wpa_passphrase=internet
auth_algs=1
wpa=2
wpa_pairwise=CCMP TKIP
ssid=Test2G
bridge=br-lan
wpa_key_mgmt=WPA-PSK
okc=0
disable_pmksa_caching=1
bssid=f0:b4:29:55:9f:47
# logread |grep 94:65:9c
Tue Mar 22 03:13:51 2016 daemon.info hostapd: wlan1: STA 94:65:9c:9f:a1:00
IEEE 802.11: authenticated
Tue Mar 22 03:13:51 2016 daemon.info hostapd: wlan1: STA 94:65:9c:9f:a1:00
IEEE 802.11: associated (aid 3)
Tue Mar 22 03:13:51 2016 daemon.info hostapd: wlan1: STA 94:65:9c:9f:a1:00
WPA: pairwise key handshake completed (RSN)
Tue Mar 22 03:13:51 2016 daemon.info dnsmasq-dhcp[4581]: DHCPREQUEST(br-
lan) 192.168.10.200 94:65:9c:9f:a1:00
Tue Mar 22 03:13:51 2016 daemon.info dnsmasq-dhcp[4581]: DHCPACK(br-lan)
192.168.10.200 94:65:9c:9f:a1:00 LaptopLinux
Tue Mar 22 03:13:54 2016 daemon.info dnsmasq-dhcp[4581]: DHCPREQUEST(br-
lan) 192.168.10.200 94:65:9c:9f:a1:00
Tue Mar 22 03:13:54 2016 daemon.info dnsmasq-dhcp[4581]: DHCPACK(br-lan)
192.168.10.200 94:65:9c:9f:a1:00 LaptopLinux
}}}
Again, the exact same network config is to my wlan0 interface (5G) and all
work fine. When I have this problem, I change to 5G SSID and my laptop
goes online again.
--
Ticket URL: <https://dev.openwrt.org/ticket/22086>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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