tente pingar o roteador, e tente pingar o ip do teu note, cole aqui o resultado de:
sudo dhclient eth0
Abs
O resultado foi o seguinte:
There is already a pid file /var/run/dhcliente.pid with pid 3743
Killed old client process, removed pid file
Internet systems consortium DHCP client v3.1.1
Copyright 2004-2008 Internet Systems Consortium.
All rights reserved.
For info, please visit
http://www.isc.org/sw/dhpc/Listening on LPF/eth0/00:03:0d:d8:ad:Id
Sending on LPF/eth0/00:03:0d:d8:ad:Id
Sending on Socket /fallback
DHCPREQUEST of 200.200.15.5 on eth0 to 255.255.255.255 prot 67
DHCPNAK from 200.200.14.1
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3
DHCPOFFER of 200.200.15.5 from 200.200.15.1
DHCPREQUEST of 200.200.15.5 on eth0 to 255.255.255.255 port 67
DHCPACK of 200.200.15.5 from 200.200.15.1
bound to 200.200.15.5 -- renewal in 229586 seconds.