Re: RPi 4b Wifi Device

[Rob Whitlock <rwhitlock22%gmail.com@localhost>]

> On Apr 20, 2024, at 1:01 AM, Thomas D. Dean <tomdean%wavecable.com@localhost> wrote:
> 
> On 4/19/24 18:35, Michael van Elst wrote:
>> tomdean%wavecable.com@localhost ("Thomas D. Dean") writes:
>>> How do I setup wpa_supplicant?
>> That depends on what you want to do.
>> Here are some examples:
>> https://wiki.netbsd.org/tutorials/how_to_use_wpa_supplicant/
> 
> I saw that.
> dhcp is working over the wired connection.
> 
> I thought I had everything configured for wifi. It just does not work.
> 
> I have a cable modem <-> wifi/wired router. I have several machines connected. Linux and windoze, now. One RPi with NetBSD 10. Used to have some FreeBSD machines, but, they have been replaced.
> 
> # etc/rc.d/wpa_supplicant reload
> Selected interface 'bwfm0'
> 21:58:35.931: OK
> 
> # wpa_cli status
> Selected interface 'bwfm0'
> 21:58:44.815: bssid=60:38:e0:db:a9:7a
> freq=0
> ssid=tddhome
> id=0
> mode=station
> pairwise_cipher=TKIP
> group_cipher=TKIP
> key_mgmt=WPA-PSK
> wpa_state=GROUP_HANDSHAKE
> ip_address=169.254.135.120
> address=e4:5f:01:da:eb:46
> 
> # ifconfig bwfm0
> bwfm0: flags=0x8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> 	ssid "" nwkey 65536:"","","",""
> 	powersave off
> 	address: e4:5f:01:da:eb:46
> 	media: IEEE802.11 autoselect (DS1 mode 11g)
> 	status: no network
> 	inet6 fe80::d7c0:41b9:46a5:a5ff%bwfm0/64 flags 0x8<DETACHED> scopeid 0x3
> 	inet 169.254.135.120/16 broadcast 169.254.255.255 flags 0x4<DETACHED>
> 
> 
> 
> I don't understand where the inet 169.254.135.120 comes from. The router pool is 192.168.1.xxx.

That's an APIPA address from block 169.254.0.0/16. dhcpcd gives the interface an address from that block when it can't properly obtain one via DHCP, unless instructed not to.

> 
> Tom Dean