voilà le resultat de ifconfig :

eth0 Lien encap:Ethernet HWaddr 00:04:76:27:B3:F3
inet adr:192.168.1.1 Bcast:192.168.0.255 Masque:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:0 Metric:1
RX packet:0 errors:0 dropped:0 overruns:0 frame:0
TX packet:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
RX bytes:480 (480.0 b) TX bytes:0 (0.0b)


lo Lien encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packet:0 errors:0 dropped:0 overruns:0 frame:0
TX packet:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
RX bytes:0 (0.0b) TX bytes:0 (0.0b)


La commande ping -cl 192.168.1.1 me donne :
ping: bad number of packets to transmit.