La box est rebootée, rien ne change 
Le wifi fonctionne sur les téléphones/tablettes mais l'ordi est trop loin pour capter
Voici les résultats de l'"ifconfig"
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
options=3<RXCSUM,TXCSUM>
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
nd6 options=1<PERFORMNUD>
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
stf0: flags=0<> mtu 1280
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULT
ICAST>
mtu 1500
options=b<RXCSUM,TXCSUM,VLAN_HWTAGGING>
ether 10:9a:dd:4f:3e:bf
inet6 fe80::129a:ddff:fe4f:3ebf%en0 prefixlen 64 scopeid 0x4
inet 192.168.0.21 netmask 0xffffff00 broadcast 192.168.0.255
nd6 options=1<PERFORMNUD>
media: autoselect (100baseTX <full-duplex>)
status: active
en1: flags=8823<UP,BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500
ether c8:bc:c8:c4:c7:88
nd6 options=1<PERFORMNUD>
media: autoselect (<unknown type>)
status: inactive
fw0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULT
ICAST>
mtu 4078
lladdr 70
60:ff:fe:1b:48:5e
nd6 options=1<PERFORMNUD>
media: autoselect <full-duplex>
status: inactive
p2p0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 2304
ether 0a:bc:c8:c4:c7:88
media: autoselect
status: inactive
ham0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
mtu 1404
ether 7a:79:19:d1:b5:04
inet 25.209.181.4 netmask 0xff000000 broadcast 25.255.255.255
inet6 fe80::7879:19ff:fed1:b504%ham0 prefixlen 64 scopeid 0x8
inet6 2620:9b::19d1:b504 prefixlen 96
nd6 options=1<PERFORMNUD>
open (pid 64)
Merci ! 