Hi Jon - thanks for your input. This is a snapshot of my working wlan0
wlan0: flags=-28605<UP,BROADCAST,RUNNING,MULTICAST,DYNAMIC> mtu 1500 inet 192.168.1.50 netmask 255.255.255.0 broadcast 192.168.1.255 inet6 fe80::8291:33ff:fe4a:4223 prefixlen 64 scopeid 0x20<link> ether 80:91:33:4a:42:23 txqueuelen 1000 (Ethernet) RX packets 20004 bytes 4482231 (4.2 MiB) RX errors 0 dropped 375 overruns 0 frame 0 TX packets 2130 bytes 245657 (239.8 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 I am indeed using connman -- what do those two additional settings do? Output of `route`: debian ~ $ route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0 192.168.1.1 0.0.0.0 255.255.255.255 UH 0 0 0 wlan0 192.168.6.0 0.0.0.0 255.255.255.0 U 0 0 0 usb1 192.168.7.0 0.0.0.0 255.255.255.0 U 0 0 0 usb0 192.168.8.0 0.0.0.0 255.255.255.0 U 0 0 0 SoftAp0 Best, Matt On Thursday, July 9, 2020 at 5:02:44 PM UTC-7, jonnymo wrote: > > I suspect your resolv.conf got set back to the default with no nameservers > listed when the USB ethernet port went offline. > > How do you have your wlan0 configured? > If you used connman, you can add the following to your connman settings: > Ex: > > * IPv4.gateway=192.168.2.1 Nameservers=8.8.8.8;8.8.4.4;4.4.4.4;* > > Typing 'route' should show your which network device the traffic is going > down. > > Also, you can test this by using ping and specifying the ethernet port to > use: > Ex: > *ping -I wlan0 google.com <http://google.com>* > > Cheers, > > Jon > > > On Thu, Jul 9, 2020 at 4:10 PM Dennis Lee Bieber <dennis...@gmail.com > <javascript:>> wrote: > >> On Thu, 9 Jul 2020 11:55:02 -0700 (PDT), in >> gmane.comp.hardware.beagleboard.user Manderson >> <matthew...> wrote: >> >> >Hi all, >> > >> >I typically take the wired approach when connecting to my Beaglebone >> (plug >> >in USB-C power to a port on my laptop and ssh with the 192.168.6.2 IP). >> >> What type of computer are you using (OS)? I ask as Windows >> normally >> uses 192.168.7.x, Mac the 192.168.6.x, and Linux apparently works with >> both >> (they are, I believe, slightly different USB<>Ethernet protocols). >> >> >I've noticed, however, in the past several days that my BBAI loses wlan >> >connectivity if my host computer goes to sleep (e.g. overnight). Pinging >> >> Odds are very good that the USB port powers off when the host >> sleeps. >> That means the BBAI is getting a very rude power drop -- risking file >> system corruption, and who knows what may happen when the host wakes up >> and >> the BB AI reboots. >> >> Also, it may be that you aren't even using the WiFi connection -- >> if >> the host is performing the equivalent of "Internet Connection Sharing" >> your >> ... >> >> >google.com after this happens results in >> >debian ~ $ ping google.com >> >ping: google.com: Temporary failure in name resolution >> >debian ~ $ ping 8.8.8.8 >> >connect: Network is unreachable >> >> would be trying to go through the USB gadget (though I'd think if that was >> active before the sleep, it would reactivate after the sleep also). >> >> > >> >2) If my board's wlan is dependent on my computer also being connected >> to >> >wifi, then would it be detrimental to power my BBAI off a wall outlet >> and >> >USB-C wall charger instead of plugging into my computer? Or would I not >> >even be able to ssh into it? >> >> Nothing in your post confirms that you even had a WiFi connection >> to >> some shared router (if you had, you wouldn't be using 192.168.6.x to >> connect to the BB AI, but instead be using an IP number -- or hostname: >> beaglebone or beaglebone.local -- to connect using a path through the >> router. Does your router even show the BBAI as a Wireless client? >> >> Even if the USB port remains powered while the host sleeps, if >> you were >> going via ICS (BBAI<>USB gadget<>host WiFi [or cable]<>router<>ISP), the >> host WiFI may go down when the host sleeps, and possibly it gets a >> different DHCP assignment on wake-up which is not being reflected in >> routing tables for the USB gadget. >> >> >> >> -- >> Dennis L Bieber >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagl...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/c58fgfp0p35v399encr2d1v1i6han23eov%404ax.com >> . >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a4631369-a8b5-40f9-aa53-e05a649029f7o%40googlegroups.com.