não há eth0 mostrando em ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:1916 errors:0 dropped:0 overruns:0 frame:0
TX packets:1916 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:177503 (177.5 KB) TX bytes:177503 (177.5 KB)
wlan0 Link encap:Ethernet HWaddr 84:a6:c8:4a:46:4c
inet addr:192.168.88.43 Bcast:192.168.88.255 Mask:255.255.255.0
inet6 addr: fe80::1e08:9da1:7543:634a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:21707 errors:0 dropped:0 overruns:0 frame:0
TX packets:14015 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:11469933 (11.4 MB) TX bytes:2012086 (2.0 MB)
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
*-network
description: Wireless interface
product: Centrino Wireless-N 2230
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlan0
version: c4
serial: 84:a6:c8:4a:46:4c
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-42-generic firmware=18.168.6.1 ip=192.168.3.101 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:28 memory:c0500000-c0501fff
rede sudo lshw -C | grep lógico