高人帮忙啊

superuser

debian:~# dhclient wlan0_rename
Internet Systems Consortium DHCP Client V3.0.4
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

eth0: unknown hardware address type 801
eth0: unknown hardware address type 801
Listening on LPF/wlan0_rename/00:02:dd:31:09:73
Sending on   LPF/wlan0_rename/00:02:dd:31:09:73
Sending on   Socket/fallback
DHCPDISCOVER on wlan0_rename to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on wlan0_rename to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on wlan0_rename to 255.255.255.255 port 67 interval 19
DHCPDISCOVER on wlan0_rename to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on wlan0_rename to 255.255.255.255 port 67 interval 15
No DHCPOFFERS received.
No working leases in persistent database - sleeping.