trouble connecting to wifi
Adrian Chadd
adrian at freebsd.org
Mon Jun 29 21:19:51 UTC 2015
hi,
you can do that. but I'm surprised there's no way in pfsense to
explicitly configure the channel as being ht/20 only.
You may find some devices won't let you tune to channel 13. It's all
very regulatory-y restricted.
-a
On 29 June 2015 at 13:14, zsolty szasz <zsolty_szasz at yahoo.com> wrote:
> I checked all the wireless channels which my adapter supports.
>
> #ifconfig -v ath0_wlan0 list channel
> Channel 1 : 2412 MHz 11b Channel 7 : 2442 MHz 11g
> Channel 1 : 2412 MHz 11g Channel 7 : 2442 MHz 11g
> ht/20
> Channel 1 : 2412 MHz 11g ht/20 Channel 7 : 2442 MHz 11g
> ht/40+
> Channel 1 : 2412 MHz 11g ht/40+ Channel 7 : 2442 MHz 11g
> ht/40-
> Channel 2 : 2417 MHz 11b Channel 8 : 2447 MHz 11b
> Channel 2 : 2417 MHz 11g Channel 8 : 2447 MHz 11g
> Channel 2 : 2417 MHz 11g ht/20 Channel 8 : 2447 MHz 11g
> ht/20
> Channel 2 : 2417 MHz 11g ht/40+ Channel 8 : 2447 MHz 11g
> ht/40-
> Channel 3 : 2422 MHz 11b Channel 9 : 2452 MHz 11b
> Channel 3 : 2422 MHz 11g Channel 9 : 2452 MHz 11g
> Channel 3 : 2422 MHz 11g ht/20 Channel 9 : 2452 MHz 11g
> ht/20
> Channel 3 : 2422 MHz 11g ht/40+ Channel 9 : 2452 MHz 11g
> ht/40-
> Channel 4 : 2427 MHz 11b Channel 10 : 2457 MHz 11b
> Channel 4 : 2427 MHz 11g Channel 10 : 2457 MHz 11g
> Channel 4 : 2427 MHz 11g ht/20 Channel 10 : 2457 MHz 11g
> ht/20
> Channel 4 : 2427 MHz 11g ht/40+ Channel 10 : 2457 MHz 11g
> ht/40-
> Channel 5 : 2432 MHz 11b Channel 11 : 2462 MHz 11b
> Channel 5 : 2432 MHz 11g Channel 11 : 2462 MHz 11g
> Channel 5 : 2432 MHz 11g ht/20 Channel 11 : 2462 MHz 11g
> ht/20
> Channel 5 : 2432 MHz 11g ht/40+ Channel 11 : 2462 MHz 11g
> ht/40-
> Channel 5 : 2432 MHz 11g ht/40- Channel 12 : 2467 MHz 11b
> Channel 6 : 2437 MHz 11b Channel 12 : 2467 MHz 11g
> Channel 6 : 2437 MHz 11g Channel 12 : 2467 MHz 11g
> ht/20
> Channel 6 : 2437 MHz 11g ht/20 Channel 13 : 2472 MHz 11b
> Channel 6 : 2437 MHz 11g ht/40+ Channel 13 : 2472 MHz 11g
> Channel 6 : 2437 MHz 11g ht/40- Channel 13 : 2472 MHz 11g
> ht/20
> Channel 7 : 2442 MHz 11b
>
> I changed my settings to channel 13 since that is using only ht/20. Is that
> ok for further testing?
>
> #ifconfig
> ath0_wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> 1500
> ether 30:b5:c2:63:51:77
> inet6 fe80::32b5:c2ff:fe63:5177%ath0_wlan0 prefixlen 64 scopeid 0x8
> inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255
> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
> media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap>
> status: running
> ssid freebsdap channel 13 (2472 MHz 11g ht/20) bssid
> 30:b5:c2:63:51:77
> regdomain ETSI country RO indoor ecm authmode WPA2/802.11i
> privacy MIXED deftxkey 2 AES-CCM 2:128-bit txpower 30 scanvalid 60
> protmode OFF ampdulimit 64k ampdudensity 8 shortgi wme burst
> -apbridge
> dtimperiod 1 -dfs
>
>
>
>
> On Monday, June 29, 2015 12:45 AM, Adrian Chadd <adrian at freebsd.org> wrote:
>
>
> no, you'll have to ask the pfsense people if they provided a UI to set
> the channel to HT/20 only.
>
>
> -a
>
>
> On 28 June 2015 at 14:37, Zsolt SZASZ <zsolty_szasz at yahoo.com> wrote:
>> with ifconfig ath0_wlan0 -ampdu ? or default?
>>
>>
>> On 6/28/2015 11:41 PM, Adrian Chadd wrote:
>>>
>>> Ok, it's doing HT/40 in 11n mode, and you're on channel 3.
>>>
>>> Try HT/20.
>>>
>>>
>>> -a
>>>
>>>
>>> On 28 June 2015 at 13:37, Zsolt SZASZ <zsolty_szasz at yahoo.com> wrote:
>>>>
>>>> ifconfig returns this (ifconfig ath0_wlan0 -ampdu is setup):
>>>>
>>>> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>>> 2290
>>>> ether 30:b5:c2:63:51:77
>>>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>>>> media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng
>>>> <hostap>
>>>> status: running
>>>>
>>>> ath0_wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0
>>>> mtu
>>>> 1500
>>>> ether 30:b5:c2:63:51:77
>>>> inet6 fe80::32b5:c2ff:fe63:5177%ath0_wlan0 prefixlen 64 scopeid
>>>> 0x8
>>>> inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255
>>>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>>>> media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng
>>>> <hostap>
>>>> status: running
>>>> ssid freebsdap channel 3 (2422 MHz 11g ht/40+) bssid
>>>> 30:b5:c2:63:51:77
>>>> regdomain ETSI country RO indoor ecm authmode WPA2/802.11i
>>>> privacy MIXED deftxkey 3 AES-CCM 2:128-bit AES-CCM 3:128-bit
>>>> txpower 30 scanvalid 60 protmode OFF -ampdu ampdulimit 64k
>>>> ampdudensity 8 shortgi wme burst -apbridge dtimperiod 1 -dfs
>>>>
>>>> stable 11g is:
>>>>
>>>> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>>> 2290
>>>> ether 30:b5:c2:63:51:77
>>>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>>>> media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>>>> <hostap>
>>>> status: running
>>>>
>>>> ath0_wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0
>>>> mtu
>>>> ether 30:b5:c2:63:51:77
>>>> inet6 fe80::32b5:c2ff:fe63:5177%ath0_wlan0 prefixlen 64 scopeid
>>>> 0x8
>>>> inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255
>>>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>>>> media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>>>> <hostap>
>>>> status: running
>>>> ssid freebsdap channel 3 (2422 MHz 11g) bssid 30:b5:c2:63:51:77
>>>> regdomain ETSI country RO indoor ecm authmode WPA2/802.11i
>>>> privacy MIXED deftxkey 2 AES-CCM 2:128-bit txpower 30 scanvalid
>>>> 60
>>>> protmode OFF wme burst -apbridge dtimperiod 1 -dfs
>>>>
>>>>
>>>>
>>>>
>>>> On 6/27/2015 8:28 PM, Adrian Chadd wrote:
>>>>>
>>>>> ok, so you have to use no-11n in order for it to be tsable, ok.
>>>>>
>>>>> when you test, can you just verify that it's always using the same
>>>>> channel?
>>>>>
>>>>> are you using HT/20 or HT/40 when you're in 11n mode?
>>>>>
>>>>>
>>>>> -a
>>>>>
>>>>>
>>>>> On 25 June 2015 at 08:10, zsolty szasz <zsolty_szasz at yahoo.com> wrote:
>>>>>>
>>>>>> No joy!
>>>>>> Besides that I had also a lot of these: ath0_wlan0: discard frame w/o
>>>>>> leading ethernet header (len 6 pkt len 6).
>>>>>>
>>>>>> One night when WiFi stopped working then I came with my laptop in my
>>>>>> hand
>>>>>> to
>>>>>> sit in front of my router to do the usual ifconfig ath0 down/up but
>>>>>> before
>>>>>> doing that I observed that while I was near to the wifi antenna with
>>>>>> my
>>>>>> laptop the wifi started to work fine again without doing anything (on
>>>>>> laptop
>>>>>> the connection went from 15Mbps to 280Mbps automatically). I don't
>>>>>> know
>>>>>> it
>>>>>> this information is usefully to you. Of course this happened only one
>>>>>> time,
>>>>>> I tried next day the same and it wasn't enough.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Monday, June 22, 2015 11:07 PM, Adrian Chadd <adrian at freebsd.org>
>>>>>> wrote:
>>>>>>
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> That's fine. Ok, try this:
>>>>>>
>>>>>> ifconfig ath0_wlan0 -ampdu
>>>>>>
>>>>>> .. then reassociate evryone.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> -adrian
>>>>>>
>>>>>>
>>
>
>
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