Am 09/05/18 um 14:37 schrieb Stefan Sperling: Hi Stefan!
> On Wed, Sep 05, 2018 at 01:39:53PM +0200, Stefan Wollny wrote: >> After a 'sh /etc/netstart' 'ifconfig gives me the following: >> >> iwm0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 >> lladdr 80:fa:5b:14:xx:yy >> index 1 priority 4 llprio 3 >> trunk: trunkdev trunk0 >> groups: wlan >> media: IEEE802.11 autoselect (HT-MCS0 mode 11n) >> status: no network >> ieee80211: join <SSID> chan 36 bssid 84:b2:61:96:aa:bb 83% >> wpaprotos wpa2 wpaakms 802.1x wpaciphers ccmp wpagroupcipher ccmp >> ... >> trunk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 >> lladdr 80:fa:5b:14:xx:yy >> index 7 priority 0 llprio 3 >> trunk: trunkproto failover >> trunkport iwm0 >> trunkport re0 master >> groups: trunk >> media: Ethernet autoselect >> status: no carrier >> >> Only after I had commented the join-line for this network I was able to >> reattach to my mobile phone's net. > > Let me guess: Your mobile phone is on a 2 GHz channel (1-13)? BINGO! > > If that is true, then the AP on channel 36 (5 GHz) with good RSSI (83%) > will always win because this is how join was taught to make decisions: > > * Given two APs, determine the "better" one of the two. > * We compute a score based on the following attributes:o > * > * crypto: wpa2 > wpa1 > wep > open > * band: 5 GHz > 2 GHz provided 5 GHz rssi is above threshold > * rssi: rssi1 > rssi2 as a numeric comparison with a slight > * disadvantage for 2 GHz APs > * > * Crypto carries most weight, followed by band, followed by rssi. > Another fine example of OpenBSD's philosophy of "sane defaults"! >> Attaching to this particular net would be helpful - saves some time >> avoiding workaraounds... > > You can use 'ifconfig iwm0 nwid phone' to override auto-join decisions > and always attach to a network called 'phone'. To re-enable automatic > network selection you can use: ifconfig iwm0 -nwid > Thank you for the hint - I have tried it before but did s.th. wrong as now it "just works". Best, STEFAN
