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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> >>>>>> wrote: >>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> That's fine. Ok, try this: >>>>>> >>>>>> ifconfig ath0_wlan0 -ampdu >>>>>> >>>>>> .. then reassociate evryone. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -adrian >>>>>> >>>>>> >> > > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "[email protected]"
