# ifdown eth1
There is already a pid file /var/run/dhclient.eth1.pid with pid 9534
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

wmaster0: unknown hardware address type 801
wmaster0: unknown hardware address type 801
Listening on LPF/eth1/00:18:de:1e:a4:12
Sending on   LPF/eth1/00:18:de:1e:a4:12
Sending on   Socket/fallback
DHCPRELEASE on eth1 to 192.168.1.254 port 67
root:/etc# ifup eth1
There is already a pid file /var/run/dhclient.eth1.pid with pid 134519072
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

wmaster0: unknown hardware address type 801
wmaster0: unknown hardware address type 801
Listening on LPF/eth1/00:18:de:1e:a4:12
Sending on   LPF/eth1/00:18:de:1e:a4:12
Sending on   Socket/fallback
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 4
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
root:/etc#  * Stopping NTP server ntpd
   ...done.

root:/etc# 
root:/etc# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:a0:d1:a0:e3:3f  
          inet addr:192.168.1.100  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::2a0:d1ff:fea0:e33f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:31085 errors:0 dropped:0 overruns:0 frame:0
          TX packets:20502 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:38562077 (36.7 MB)  TX bytes:2200081 (2.0 MB)
          Interrupt:17 

root:/etc# ifconfig eth1
eth1      Link encap:Ethernet  HWaddr 00:18:de:1e:a4:12  
          inet6 addr: fe80::218:deff:fe1e:a412/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3 errors:0 dropped:0 overruns:0 frame:0
          TX packets:37 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:395 (395.0 B)  TX bytes:7625 (7.4 KB)

root:/etc# dhcpcd -ddd eth1
Info, eth1: dhcpcd 3.0.17 starting
Info, eth1: hardware address = 00:18:de:1e:a4:12
Info, eth1: broadcasting for a lease
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Debug, eth1: waiting on select for 20 seconds
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Debug, eth1: sending DHCP_DISCOVER with xid 0x756354f8
Error, eth1: timed out
Info, eth1: exiting
root:/etc# ifdown eth1
There is already a pid file /var/run/dhclient.eth1.pid with pid 10563
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

wmaster0: unknown hardware address type 801
wmaster0: unknown hardware address type 801
Listening on LPF/eth1/00:18:de:1e:a4:12
Sending on   LPF/eth1/00:18:de:1e:a4:12
Sending on   Socket/fallback
DHCPRELEASE on eth1 to 192.168.1.254 port 67