euh non pas du tout
127.0.0.1 ( en realite 127.x.x.x ) est l´adresse dite lookup ou lo ou localhost.
Cad de l´ordi meme si aucun modem ou aucune carte reseau est installe
exemple chez moi
eth0 : ma carte reseau
eth1 : mon modem
ppp0 : la liaison ppp ( internet)
lo : localhost
eth0 Lien encap:Ethernet HWaddr 00:40:F4:6F:FF:7C
inet adr:192.168.0.1 Bcast:192.168.0.255 Masque:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:368908 errors:0 dropped:0 overruns:0 frame:0
TX packets:1207781 errors:12 dropped:0 overruns:12 carrier:12
collisions:0 lg file transmission:1000
RX bytes:27427903 ( 26.1 MiB) TX bytes:1784349931 ( 1.6 GiB)
Interruption:9 Adresse de base:0x6000
eth1 Lien encap:Ethernet HWaddr 00:60:4C:0B:40:08
UP BROADCAST RUNNING MULTICAST MTU:65535 Metric:1
RX packets:4361546 errors:0 dropped:0 overruns:0 frame:0
TX packets:4464573 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:2031411882 ( 1.8 GiB) TX bytes:743776389 ( 709.3 MiB)
lo Lien encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:11346 errors:0 dropped:0 overruns:0 frame:0
TX packets:11346 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
RX bytes:945666 ( 923.5 KiB) TX bytes:945666 ( 923.5 KiB)
ppp0 Lien encap:Protocole Point-à-Point
inet adr:82.65.107.6 P-t-P:192.168.254.254 Masque:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1
RX packets:4358438 errors:0 dropped:0 overruns:0 frame:0
TX packets:4461869 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:3
RX bytes:2022527444 ( 1.8 GiB) TX bytes:654477866 ( 624.1 MiB)