je suis relié en rj45, mais d'après ce que tu me dit c'est le wifi qui est reconnu, peux etre un souci cable je change et je re essaie.
je travail sous putty
cable changer:
pi@raspberrypi:~ $ ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.190 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::4338:906a:37fe:3703 prefixlen 64 scopeid 0x20<link>
inet6 fd51:42f8:caae:d92e::ff prefixlen 64 scopeid 0x0<global>
inet6 2a01:e0a:21d:6520:93ac:5e9d:73c3:2b92 prefixlen 64 scopeid 0x0<global>
ether e4:5f:01:12:4c:3d txqueuelen 1000 (Ethernet)
RX packets 1253 bytes 81105 (79.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 146 bytes 19100 (18.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 64 bytes 6866 (6.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 64 bytes 6866 (6.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.77 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 2a01:e0a:21d:6520:227:9279:51c3:73f6 prefixlen 64 scopeid 0x0<global>
inet6 fe80::29a5:ea42:22fa:4a41 prefixlen 64 scopeid 0x20<link>
ether e4:5f:01:12:4c:3e txqueuelen 1000 (Ethernet)
RX packets 548 bytes 28861 (28.1 KiB)
RX errors 0 dropped 1 overruns 0 frame 0
TX packets 29 bytes 3857 (3.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
je viens de retester make menuconfig et ça roule.
j'avais bien un blème sur mon rj45
merci à toi et @fran6p