[Bug 270153] [NEW] no cable network

eva evammg at gmail.com
Sun Sep 14 15:12:28 UTC 2008

Public bug reported:


This is an Acer laptop Aspire 1640. I normally connect to internet through wireless. This time I plugged int the Ethernet cable and I had internet. No ping to the Gateway, no ping to www.google. I don't use any firewall.

$ ifconfig

everything looked fine. I went to the Network icon, and changed
"Itinerary mode" into "DHCP". But still didnt work. I changed into
"Static IP" and it didn't work either. I did the following on a
terminal, but still didnt work, and had an unknown error to me:

eva at eva-laptop:~$ sudo ifconfig eth0 netmask

eva at eva-laptop:~$ sudo route add default gw
SIOCADDRT: El fichero ya existe

eva at eva-laptop:~$ ifconfig
eth0      Link encap:Ethernet  direcciónHW 00:16:36:2a:87:e0  
          inet dirección:  Difusión:  Máscara:
          dirección inet6: fe80::216:36ff:fe2a:87e0/64 Alcance:Vínculo
          RX packets:299 errors:0 dropped:0 overruns:0 frame:0
          TX packets:306 errors:0 dropped:0 overruns:0 carrier:0
          colisiones:0 txqueuelen:1000 
          RX bytes:24929 (24.3 KB)  TX bytes:39970 (39.0 KB)
          Interrupción:17 Dirección base: 0x2000 

eth1      Link encap:Ethernet  direcciónHW 00:13:ce:c0:b5:45  
          inet dirección:  Difusión:  Máscara:
          ARRIBA DIFUSIÓN MULTICAST  MTU:1500  Métrica:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          colisiones:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupción:16 Dirección base: 0x6000 Memoria:b0101000-b0101fff 

lo        Link encap:Bucle local  
          inet dirección:  Máscara:
          dirección inet6: ::1/128 Alcance:Anfitrión
          ARRIBA LOOPBACK CORRIENDO  MTU:16436  Métrica:1
          RX packets:2948 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2948 errors:0 dropped:0 overruns:0 carrier:0
          colisiones:0 txqueuelen:0 
          RX bytes:159100 (155.3 KB)  TX bytes:159100 (155.3 KB)

eva at eva-laptop:~$ ping
PING ( 56(84) bytes of data.
>From icmp_seq=1 Destination Host Unreachable
>From icmp_seq=2 Destination Host Unreachable
>From icmp_seq=3 Destination Host Unreachable

--- ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3007ms
, pipe 3

eva at eva-laptop:~$ ping www.google.es
ping: unknown host www.google.es

eva at eva-laptop:~$ uname -r

I never heard of this error message before:

SIOCADDRT: File exists

I attach the /var/log/syslog file.

Thank you.


** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

no cable network
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