jeflui fix o que pediu e deu a seguinte mensagem:
[sudo] password for servidor:
internet systens consortium dhcp client v3.1.1
copyright 2004-2008 internet systems consortium all rights reserved
for info please visit
http://www.isc.org/listeng on lpf/pan0/72:70:57:cb:bb:74
sending on lpf/pan0/72:70:57:cb:bb:74
sending on socket/fallback
dhcpdiscover on pan0 to 255.255.255 port 67 interval 5
dhcpdiscover on pan0 to 255.255.255 port 67 interval 12
dhcpdiscover on pan0 to 255.255.255 port 67 interval 15
dhcpdiscover on pan0 to 255.255.255 port 67 interval 14
dhcpdiscover on pan0 to 255.255.255 port 67 interval 7
dhcpdiscover on pan0 to 255.255.255 port 67 interval 8
no dhcpoffers received
no working leases im persistent data base-slleping
e nos 2 computadores que aparecem no cantinho do relogio fica que nao ha nenhum dispositivo de rede.