#22086: No connection on WLAN in 2.4G
--------------------------+----------------------------------------
Reporter: gazambuja@… | Owner: developers
Type: defect | Status: new
Priority: high | Milestone: Designated Driver (Trunk)
Component: base system | Version: Trunk
Resolution: | Keywords: xiaomi, mt7620, macaddress
--------------------------+----------------------------------------
Comment (by gazambuja):
Here you have differents sta in two scenarios.
When all work fine:
{{{
$ iw dev wlan1 station dump
Station a4:77:33:71:74:cc (on wlan1)
inactive time: 380 ms
rx bytes: 1076074
rx packets: 10715
tx bytes: 11942403
tx packets: 10490
tx retries: 1381
tx failed: 37
signal: -81 dBm
signal avg: -80 dBm
tx bitrate: 72.2 MBit/s MCS 7 short GI
rx bitrate: 72.2 MBit/s MCS 7 short GI
expected throughput: 34.57Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 1252 seconds
Station 00:73:e0:75:79:a6 (on wlan1)
inactive time: 29470 ms
rx bytes: 555881
rx packets: 1444
tx bytes: 221251
tx packets: 740
tx retries: 234
tx failed: 10
signal: -97 dBm
signal avg: -99 dBm
tx bitrate: 11.0 MBit/s
rx bitrate: 5.5 MBit/s
expected throughput: 5.583Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 1196 seconds
Station 2c:8a:72:b4:23:1f (on wlan1)
inactive time: 4090 ms
rx bytes: 379142
rx packets: 2562
tx bytes: 723692
tx packets: 1813
tx retries: 172
tx failed: 8
signal: -95 dBm
signal avg: -95 dBm
tx bitrate: 65.0 MBit/s MCS 7
rx bitrate: 6.0 MBit/s
expected throughput: 23.986Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 401 seconds
Station 94:65:9c:9f:a1:00 (on wlan1)
inactive time: 0 ms
rx bytes: 1003080
rx packets: 5800
tx bytes: 4438783
tx packets: 5303
tx retries: 1002
tx failed: 141
signal: -87 dBm
signal avg: -85 dBm
tx bitrate: 72.2 MBit/s MCS 7 short GI
rx bitrate: 240.0 MBit/s MCS 13 40MHz short GI
expected throughput: 34.57Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 319 seconds
}}}
And when is not working (this ''connected'' STA cant connect to this
router, for example, not working ssh, not response to ping, etc):
{{{
$ iw dev wlan1 station dump
Station 2c:8a:72:b4:23:1f (on wlan1)
inactive time: 160 ms
rx bytes: 7067
rx packets: 79
tx bytes: 741
tx packets: 4
tx retries: 0
tx failed: 0
signal: -79 dBm
signal avg: -79 dBm
tx bitrate: 6.5 MBit/s MCS 0
rx bitrate: 72.2 MBit/s MCS 7 short GI
expected throughput: 5.126Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 69 seconds
Station 64:b8:53:da:eb:95 (on wlan1)
inactive time: 700 ms
rx bytes: 4105078
rx packets: 56863
tx bytes: 40572982
tx packets: 30789
tx retries: 2911
tx failed: 89
signal: -91 dBm
signal avg: -92 dBm
tx bitrate: 1.0 MBit/s
rx bitrate: 24.0 MBit/s
expected throughput: 28.564Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 41370 seconds
Station 00:73:e0:75:79:a6 (on wlan1)
inactive time: 7870 ms
rx bytes: 418366
rx packets: 11496
tx bytes: 15570
tx packets: 88
tx retries: 4
tx failed: 4
signal: -101 dBm
signal avg: -100 dBm
tx bitrate: 1.0 MBit/s
rx bitrate: 1.0 MBit/s
expected throughput: 5.126Mbps
authorized: yes
authenticated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
connected time: 6934 seconds
}}}
PS: to this try I have to wait 24h to reapear the issue, this first 24h
all interfaces work fine. Now I reboot the router (wifi restart not work)
and all work fine again.
PS2: only to remember, the 5GHz interface always work fine, I connect to
wlan0 and can use internet and ssh access without problem.
--
Ticket URL: <https://dev.openwrt.org/ticket/22086#comment:4>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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