me voilà revenu au point de dèpart!!
j'ai passé les commandes suivantes:
Code : Tout sélectionner
[root@dell-centos ~]# ip a
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
valid_lft forever preferred_lft forever
2: p5p1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 8c:ec:4b:04:38:df brd ff:ff:ff:ff:ff:ff
inet 192.168.1.42/24 brd 192.168.1.255 scope global noprefixroute dynamic p5p1
valid_lft 43154sec preferred_lft 43154sec
inet6 fe80::8f7b:4102:99d0:d6a1/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether b0:52:16:12:5b:a3 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.45/24 brd 192.168.1.255 scope global noprefixroute dynamic wlp2s0
valid_lft 31488sec preferred_lft 31488sec
inet6 fe80::7903:4eb7:9b54:c76b/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 52:54:00:41:06:9c brd ff:ff:ff:ff:ff:ff
inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
valid_lft forever preferred_lft forever
5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN group default qlen 1000
link/ether 52:54:00:41:06:9c brd ff:ff:ff:ff:ff:ff
6: enp0s20f0u1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:24:9b:23:3f:6c brd ff:ff:ff:ff:ff:ff
[root@dell-centos ~]# ip r
default via 192.168.1.254 dev p5p1 proto dhcp metric 100
default via 192.168.1.254 dev wlp2s0 proto dhcp metric 600
192.168.1.0/24 dev p5p1 proto kernel scope link src 192.168.1.42 metric 100
192.168.1.0/24 dev wlp2s0 proto kernel scope link src 192.168.1.45 metric 600
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
[root@dell-centos ~]# nmcli con show
NAME UUID TYPE DEVICE
Connexion filaire 1 1e8b549b-d4a0-3d16-8840-43045a401a55 ethernet p5p1
Freebox-4B26F0 493728a1-aabf-495b-b6df-dadc66131679 wifi wlp2s0
virbr0 9a4aa446-f242-4c27-ab36-8209c53b0d7a bridge virbr0
[root@dell-centos ~]# nmcli dev show
GENERAL.DEVICE: p5p1
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 8C:EC:4B:04:38:DF
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connecté)
GENERAL.CONNECTION: Connexion filaire 1
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/5
WIRED-PROPERTIES.CARRIER: marche
IP4.ADDRESS[1]: 192.168.1.42/24
IP4.GATEWAY: 192.168.1.254
IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.1.254, mt = 100
IP4.ROUTE[2]: dst = 192.168.1.0/24, nh = 0.0.0.0, mt = 100
IP4.DNS[1]: 80.67.169.12
IP4.DNS[2]: 80.67.169.40
IP4.DNS[3]: 192.168.1.254
IP6.ADDRESS[1]: fe80::8f7b:4102:99d0:d6a1/64
IP6.GATEWAY: --
IP6.ROUTE[1]: dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]: dst = fe80::/64, nh = ::, mt = 256
IP6.ROUTE[3]: dst = fe80::/64, nh = ::, mt = 100
GENERAL.DEVICE: wlp2s0
GENERAL.TYPE: wifi
GENERAL.HWADDR: B0:52:16:12:5B:A3
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connecté)
GENERAL.CONNECTION: Freebox-4B26F0
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/4
IP4.ADDRESS[1]: 192.168.1.45/24
IP4.GATEWAY: 192.168.1.254
IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.1.254, mt = 600
IP4.ROUTE[2]: dst = 192.168.1.0/24, nh = 0.0.0.0, mt = 600
IP4.DNS[1]: 80.67.169.12
IP4.DNS[2]: 80.67.169.40
IP4.DNS[3]: 192.168.1.254
IP6.ADDRESS[1]: fe80::7903:4eb7:9b54:c76b/64
IP6.GATEWAY: --
IP6.ROUTE[1]: dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]: dst = fe80::/64, nh = ::, mt = 256
IP6.ROUTE[3]: dst = fe80::/64, nh = ::, mt = 600
GENERAL.DEVICE: virbr0
GENERAL.TYPE: bridge
GENERAL.HWADDR: 52:54:00:41:06:9C
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connecté)
GENERAL.CONNECTION: virbr0
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/2
IP4.ADDRESS[1]: 192.168.122.1/24
IP4.GATEWAY: --
IP4.ROUTE[1]: dst = 192.168.122.0/24, nh = 0.0.0.0, mt = 0
IP6.GATEWAY: --
GENERAL.DEVICE: enp0s20f0u1
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 00:24:9B:23:3F:6C
GENERAL.MTU: 1500
GENERAL.STATE: 30 (déconnecté)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
WIRED-PROPERTIES.CARRIER: marche
GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536
GENERAL.STATE: 10 (non-géré)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.ADDRESS[1]: 127.0.0.1/8
IP4.GATEWAY: --
IP6.ADDRESS[1]: ::1/128
IP6.GATEWAY: --
GENERAL.DEVICE: virbr0-nic
GENERAL.TYPE: tun
GENERAL.HWADDR: 52:54:00:41:06:9C
GENERAL.MTU: 1500
GENERAL.STATE: 10 (non-géré)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
je me demande si la clé USB/ethernet est correctement configurée.
comment faire pour le savoir?
merci pour ton aide