Configuration reseau

Bonjour, je recontre des probleme pour connecter ma machine sur le reseau. la station est muni de plusieurs cartes reseaux.
fxp0,  tlpo ....

cat ifconfig.fxpo
inet 192.168.1.55 netmask 255.255.255.0 media autoselect

cat ifconfig tlp0
inet 192.168.1.55 netmask 255.255.255.0 media autoselect

cat resolv.conf                                                                                                           
nameserver 192.168.1.1

netstat -rn
http://pastebin.com/m3ff1178f

cat mygate
192.168.1.1

ping depuis la station.
http://pastebin.com/m72739ff9

   1.
      # ping google.fr
   2.
      PING google.fr (66.249.93.104): 56 data bytes
   3.
      ping: sendto: Network is down
   4.
      ping: sendto: Network is down
   5.
      ping: sendto: Network is down
   6.
      ping: sendto: Network is down
   7.
      ping: sendto: Network is down
   8.
      ^C
   9.
      ----google.fr PING Statistics----
  10.
      5 packets transmitted, 0 packets received, 100.0% packet loss
  11.
      # ping 192.168.1.1
  12.
      PING DI-604 (192.168.1.1): 56 data bytes
  13.
      64 bytes from 192.168.1.1: icmp_seq=0 ttl=127 time=0.379 ms
  14.
      64 bytes from 192.168.1.1: icmp_seq=1 ttl=127 time=0.400 ms
  15.
      64 bytes from 192.168.1.1: icmp_seq=2 ttl=127 time=0.432 ms
  16.
      64 bytes from 192.168.1.1: icmp_seq=3 ttl=127 time=0.449 ms
  17.
      ^C
  18.
      ----DI-604 PING Statistics----
  19.
      4 packets transmitted, 4 packets received, 0.0% packet loss
  20.
      round-trip min/avg/max/stddev = 0.379/0.415/0.449/0.031 ms

Pouvez-vous m expliquer mon erreur.