In my limited experience, I ran into a lot of issues trying to modify the
network settings as you are running into. I *believe* that the network
settings are being controlled by conman. So I added to /
etc/connman/main.conf the following:
NetworkInterfaceBlacklist=SoftAp0,usb0,usb1,{0},can0,can1
Then I was able to control network settings as expected in
/etc/network/interfaces....although I did end up installing dhcpcd and
am now utilizing that to control my network although I don't think I
have worked out all of the kinks. BTW I am running Debian 8.7 IoT
image.
Mike
On Wed, Dec 5, 2018 at 3:38 PM Richard <[email protected]> wrote:
> Hi! I'm having difficulty understanding and modifying the BBBW network
> configuration.
>
> At boot on the BBBW, somehow, these IP addresses are assigned
> SoftAP0: 192.168.8.1
> lo: 127.0.0.1
> usb0: 192.168.7.2
> usb1: 192.168.6.2
> wlan0: 192.168.1.xxx
>
> But I can't figure out where each of these addresses comes from, nor --
> more interestingly -- how to change them. If there is a single place where
> this happens, I've not found it. And if there is any documentation, I've
> not found it, either. [There's lots of documentation about debian network
> configuration on the Internet. Pick your favorite, but it may or may not
> apply to the BBBW. In fact, it probably doesn't.]
>
> I do know how to use connmanctl (to set wlan0), but it explicitly ignores
> SoftAP0, usb0, and usb1 because of the line
> NetworkInterfaceBlacklist=SoftAp0,usb0,usb1
> in /etc/connman/main.conf
>
> So my questions are:
> (a) How and where is each of these assigned?
> (b) If I want to change one of them permanently, what do I do?
> and while asking these questions, here's a related one:
> (c) How can I change the name and password for the BeagleBone-XXXX access
> point that goes with SoftAP0?
>
> These questions arose from my concern about having two BBBWs on the same
> computer or even just the same LAN: how do I make sure that they don't use
> the same IP address?
>
> Version info:
> Debian 9.6 stretch
> Linux beaglebone 4.14.67-ti-r73 #1 SMP PREEMPT Thu Aug 30 00:08:52 UTC
> 2018 armv7l GNU/Linux
> BeagleBoard.org Debian Image 2018-08-30
>
> Many thanks,
> Richard
>
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