Em 26-12-2013 00:25, electronmuontau neutrino escreveu: >> Sorry for late answer - had some problems with my ISP. >> >> On Sunday 22 December 2013 01:42:09 electronmuontau neutrino wrote: >>> I have two machines configured as wifi access points that use the >>> athn(4) driver. One is an Acer Aspire One D250 and the other is an >>> ALIX.2D13 with a Compex WLM200NX Atheros 802.11 a/b/g/n miniPCI >>> card. Both have OpenBSD 5.4 release installed. I've been able to >>> reproduce the problem reliably on both. The following is one >>> procedure I used to test the problem: >>> >>> -boot machine with athn down >>> >>> $ ifconfig athn0 >>> athn0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500 >>> lladdr: xx:xx:xx:xx:xx:xx >>> priority: 4 >>> groups: wlan >>> media: IEEE802.11 autoselect >>> status: no network >>> ieee80211: nwid "" >>> $ sudo ifconfig athn0 inet 192.168.2.1 255.255.255.0 nwid >>> 1234567890 wpakey keykeykey mediaopt hostap >>> $ ifconfig athn0 >>> athn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu >>> 1500 lladdr: xx:xx:xx:xx:xx:xx >>> priority: 4 >>> groups: wlan >>> media: IEEE802.11 autoselect (autoselect hostap) >>> status: active >>> ieee80211: nwid 1234567890 chan 3 bssid xx:xx:xx:xx:xx:x: >>> wpakey <not displayed> wpaprotos wpa1, wpa2 wpaakms psk wpaciphers >>> tkip, ccmp wpagroupcipher tkip >>> inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255 >>> inet6 xxxx::xxx:xxxx:xxxx:xxxx%athn0 pfrefixlen 64 scopeid >>> 0x1 >>> >>> -edit dhcpd.conf and run dhcpd daemon >>> $ sudo /usr/sbin/dhcpd athn0 >>> >>> -attempt to associate from MacOSX and WinXP machines >>> -not able to see nwid on WinXP after refreshing list multiple >>> times -can see nwid on MacOSX, but connection times out when trying >>> to associate >>> >> Down to here you are sending on 5120MHz, right? > I don't know. How would you determine that? > >>> -change channel on access point >>> $ sudo ifconfig athn0 chan 7 >> Now you switch to 2.4GHz - right? >> >>> -association with AP is successful from MacOSX and WinXP machines >>> now and IP addresses are assigned >> WinXP machine might not work with 5GHz? >> >> Are the antennas suitable for 5GHz? What about signal strength? >> On the MAC it might be useful to install a WiFi scanner which will >> tell you all about signal strength. >> There is a free program called "Wifi Scanner" in the AppleStore. It is >> very useful. > The antennas I used were from PCEngines - listed as antsma on their website. > antsma - Antenna for 2.4 GHz band, 5 dBi nominal gain. Reverse SMA connector. > > They do have another antenna, antsmadb, that is dual band which I don't have. > antsmadb - Antenna for 2.4 GHz and 5 GHz band, 5 dBi peak gain in 2.4 > GHz band. Reverse SMA connector. > > I don't think signal strength was an issue because I tested with each > AP next to the Mac and Windows machines and still had the same result. > >> I can't help with the COMPEX miniPCI 'cause I got another brand on my >> Alix 2D13. But I realized that signal strength with 5GHz can be >> significantly lower than with 2.4GHz using antennas which are meant to >> work on both bands. >> >> Just my 2 c >>> Acer Aspire One D250 >>> athn0 at pci1 dev 0 function 0 "Atheros AR9281" rev 0x01: apic 4 int >>> 16 athn0: AR9280 rev 2 (2T2R), ROM rev 22, address >>> xx:xx:xx:xx:xx:xx >>> >>> Alix 2D13 >>> athn0 at pci0 dev 12 function 0 "Atheros AR9280" rev 0x01: irq 9 >>> athn0: AR9280 rev 2 (2T2R), ROM rev 22, address xx:xx:xx:xx:xx:xx >> Some might like to see a complete dmesg of this setup [hint-hint] >>> Has anyone else encountered this? Please let me know if more info >>> is needed. >> Cheers >> Eike I might be wrong, and the code might disprove me, but I don't believe that in hostap mode it can work without explicitly defining a channel, which is the issue you are having. I used to have a ralink 2500 in hostap mode, and it wouldn't work until I defined the channel. You should do a site survey and see the least busy channel in your area and set it on your hostname.if.
-- Giancarlo Razzolini GPG: 4096R/77B981BC
