[solved] Re: New with ADSL: please help with wired connection

[Rodolfo Medina <rodolfo.medina@gmail.com>]

Rodolfo Medina <rodolfo.medina@gmail.com> writes:

> Yesterday I received a Modem-Router for my brand new ADSL connection, which
> I've never used before (first old analogic modem, then usb stick with sim
> card in it), and it works fine in wifi mode but from Gnome Network Manager it
> seems I can't succesfully make work in `Wired' mode: in fact, if I turn off
> wifi, I have no connection left.  Here's `ifconfig' output:
>
> # ifconfig
> bond0     Link encap:Ethernet  HWaddr 72:2f:20:62:cf:b7  
>           UP BROADCAST RUNNING MASTER 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 txqueuelen:0 
>           RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>
> eth0      Link encap:Ethernet  HWaddr 00:23:8b:a2:6b:02  
>           inet addr:192.168.0.4  Bcast:192.168.0.255  Mask:255.255.255.0
>           inet6 addr: fe80::223:8bff:fea2:6b02/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:68 errors:0 dropped:1 overruns:0 frame:0
>           TX packets:81 errors:0 dropped:0 overruns:0 carrier:3
>           collisions:0 txqueuelen:1000 
>           RX bytes:10333 (10.0 KiB)  TX bytes:10162 (9.9 KiB)
>
> lo        Link encap:Local Loopback  
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:65536  Metric:1
>           RX packets:9278 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:9278 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:762890 (745.0 KiB)  TX bytes:762890 (745.0 KiB)
>
> wlan0     Link encap:Ethernet  HWaddr 00:25:56:93:ee:30  
>           inet addr:192.168.1.3  Bcast:192.168.1.255  Mask:255.255.255.0
>           inet6 addr: fe80::225:56ff:fe93:ee30/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:6358 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:5546 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:5900303 (5.6 MiB)  TX bytes:685774 (669.7 KiB)
>
> , where the last item, wlan0, is missing when wifi is off.


The problem was due to the presence of the `eth0' entry in
/etc/network/interfaces:

auto eth0
allow-hotplug eth0
iface eth0 inet static
	address 192.168.0.2
	netmask 255.255.255.0

.  Once eliminated that, the wired connection could be established.

Thanks,

Rodolfo