Le ping de ma box donne ça:
root@stef-p5w-dh-debian:/etc# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.554 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=0.861 ms
64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=0.820 ms
64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=0.906 ms
64 bytes from 192.168.1.1: icmp_seq=5 ttl=64 time=0.452 ms
64 bytes from 192.168.1.1: icmp_seq=6 ttl=64 time=0.549 ms
64 bytes from 192.168.1.1: icmp_seq=7 ttl=64 time=0.562 ms
64 bytes from 192.168.1.1: icmp_seq=8 ttl=64 time=0.594 ms
64 bytes from 192.168.1.1: icmp_seq=9 ttl=64 time=0.622 ms
64 bytes from 192.168.1.1: icmp_seq=10 ttl=64 time=0.670 ms
^C
--- 192.168.1.1 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9222ms
rtt min/avg/max/mdev = 0.452/0.659/0.906/0.144 ms
root@stef-p5w-dh-debian:/etc#
root@stef-p5w-dh-debian:/etc# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: enp4s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 00:18:f3:e6:d6:5d brd ff:ff:ff:ff:ff:ff
3: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:18:f3:e6:c9:15 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.102/24 brd 192.168.1.255 scope global dynamic enp3s0
valid_lft 84152sec preferred_lft 84152sec
inet6 2a01:cb10:522:2500:218:f3ff:fee6:c915/64 scope global dynamic mngtmpaddr
valid_lft 86363sec preferred_lft 563sec
inet6 fe80::218:f3ff:fee6:c915/64 scope link
valid_lft forever preferred_lft forever
4: wlp1s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
link/ether 62:eb:5a:61:02:9b brd ff:ff:ff:ff:ff:ff permaddr c8:be:19:04:6c:6b
5: wlx0015af0cdcf6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether fe:4a:c8:2a:44:de brd ff:ff:ff:ff:ff:ff permaddr 00:15:af:0c:dc:f6
root@stef-p5w-dh-debian:/etc#
root@stef-p5w-dh-debian:/etc# nmcli device show
GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536
GENERAL.STATE: 100 (connecté (en externe))
GENERAL.CONNECTION: lo
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
IP4.ADDRESS[1]: 127.0.0.1/8
IP4.GATEWAY: --
IP6.ADDRESS[1]: ::1/128
IP6.GATEWAY: --
GENERAL.DEVICE: wlp1s0
GENERAL.TYPE: wifi
GENERAL.HWADDR: 62:EB:5A:61:02:9B
GENERAL.MTU: 1500
GENERAL.STATE: 30 (déconnecté)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.GATEWAY: --
IP6.GATEWAY: --
GENERAL.DEVICE: wlx0015af0cdcf6
GENERAL.TYPE: wifi
GENERAL.HWADDR: FE:4A:C8:2A:44:DE
GENERAL.MTU: 1500
GENERAL.STATE: 30 (déconnecté)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.GATEWAY: --
IP6.GATEWAY: --
GENERAL.DEVICE: enp4s0
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 00:18:F3:E6:D6:5D
GENERAL.MTU: 1500
GENERAL.STATE: 20 (indisponible)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
WIRED-PROPERTIES.CARRIER: arrêt
IP4.GATEWAY: --
IP6.GATEWAY: --
GENERAL.DEVICE: enp3s0
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 00:18:F3:E6:C9:15
GENERAL.MTU: 1500
GENERAL.STATE: 10 (non-géré)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
WIRED-PROPERTIES.CARRIER: marche
IP4.ADDRESS[1]: 192.168.1.102/24
IP4.GATEWAY: 192.168.1.1
IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.1.1, mt = 0
IP4.ROUTE[2]: dst = 192.168.1.0/24, nh = 0.0.0.0, mt = 0
IP6.ADDRESS[1]: 2a01:cb10:522:2500:218:f3ff:fee6:c915/64
IP6.ADDRESS[2]: fe80::218:f3ff:fee6:c915/64
IP6.GATEWAY: fe80::3aa6:59ff:fe3c:83d0
IP6.ROUTE[1]: dst = 2a01:cb10:522:2500::/64, nh = ::, mt = 256
IP6.ROUTE[2]: dst = fe80::/64, nh = ::, mt = 256
IP6.ROUTE[3]: dst = ::/0, nh = fe80::3aa6:59ff:fe3c:83d0, mt = 1024
root@stef-p5w-dh-debian:/etc#