configuration sous gentoo :

eth0	  lien encap:Ethernet  HWaddr 00:15:F2:5A:74:0F
          inet adr:192.168.0.2  Bcast:192.168.255.255  Masque:255.255.0.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
          Interruption:5 Adresse de base:0x6000

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:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0
          RX bytes:866 (866.0 b)  TX bytes:866 (866.0 b)

Table de routage IP du noyau
Destination     Passerelle      Genmask         Indic Metric Ref    Use Iface
192.168.0.0     *               255.255.0.0     U     0      0        0 eth0
loopback        *               255.0.0.0       U     0      0        0 lo
default         192.168.0.1     0.0.0.0         UG    0      0        0 eth0






configuration sous kubuntu :

eth0      Lien encap:Ethernet  HWaddr 00:50:BA:DB:AF:0D
          inet adr:192.168.2.10  Bcast:192.168.2.255  Masque:255.255.255.0
          adr inet6: fe80::250:baff:fedb:af0d/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:4237 erreurs:0 :0 overruns:0 frame:0
          TX packets:3170 errors:44 dropped:0 overruns:0 carrier:86
          collisions:732 lg file transmission:1000
          Octets reçus:3619309 (3.4 MiB) Octets transmis:281897 (275.2 KiB)
          Interruption:18 Adresse de base:0xf800

eth2      Lien encap:Ethernet  HWaddr 00:13:D3:C1:D7:36
          inet adr:192.168.0.1  Bcast:192.168.255.255  Masque:255.255.0.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000
          Octets reçus:0 (0.0 b) Octets transmis:0 (0.0 b)
          Interruption:16 Adresse de base:0x8000

lo        Lien encap:Boucle locale
          inet adr:127.0.0.1  Masque:255.0.0.0
          adr inet6: ::1/128 Scope:Hôte
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          Packets reçus:117 erreurs:0 :0 overruns:0 frame:0
          TX packets:117 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0
          Octets reçus:9754 (9.5 KiB) Octets transmis:9754 (9.5 KiB)

Table de routage IP du noyau
Destination     Passerelle      Genmask         Indic Metric Ref    Use Iface
192.168.2.0     *               255.255.255.0   U     0      0        0 eth0
link-local      *               255.255.0.0     U     1000   0        0 eth0
192.168.0.0     *               255.255.0.0     U     0      0        0 eth2
default         192.168.0.2     0.0.0.0         UG    0      0        0 eth2
default         192.168.2.1     0.0.0.0         UG    0      0        0 eth0