dhclient not binding ip address to eth0

[Cheng-Yang Tan]

One more thing, my dhclient-script is empty. Should it actually have something?

Contents of dhclient-script:  
**********************
                                                                              
#!/bin/sh                                                                                             
# empty dhclient-script to keep dhclient from complaining                                             
# 
********************************


________________________________
 From: Cheng-Yang Tan <cytan299 at yahoo.com>
To: Users of ISC DHCP <dhcp-users at lists.isc.org> 
Sent: Sunday, February 5, 2012 12:51 PM
Subject: Re: dhclient not binding ip address to eth0
 

Hi Jose,
  The system is a Samsung ARM s3c2410 with enc28j60 as the ethernet controller. I did not set the ARM system clock because I did not think it mattered. However, I've rectified the situation and the problem remains:

**********************
lease {                                                                                               
  interface "eth0";                                                                                   
  fixed-address 192.168.1.6;                                                                          
  option subnet-mask 255.255.255.0;                                                                   
  option routers 192.168.1.1;                                                                         
  option dhcp-lease-time 86400;                                                                       
  option dhcp-message-type 5;                                                                         
  option domain-name-servers 192.168.1.1;                                                             
  option dhcp-server-identifier 192.168.1.1;                                                          
  renew 1 2012/02/06 03:07:26;                                                                        
  rebind 1 2012/02/06 14:49:21;                                                                       
  expire 1 2012/02/06 17:49:21;                                                                       
}                                                                                                     
# date                                                                                                
Sun Feb  5 12:49:58 CST 2012       
**************************
and it still still doesn't bind
*******************************
 #ifconfig -a                                                                                         
eth0      Link encap:Ethernet  HWaddr 56:C7:86:20:37:A6                                               
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1                                          
          RX packets:23367 errors:0 dropped:15 overruns:0 frame:0                                     
          TX packets:11 errors:0 dropped:0 overruns:0 carrier:0                                       
          collisions:0 txqueuelen:1000                                                                
          RX bytes:1797535 (1.7 MiB)  TX bytes:3762 (3.6 KiB)                                         
          Interrupt:54     
**********************************************************

________________________________
 From: José Queiroz <zekkerj at gmail.com>
To: Users of ISC DHCP <dhcp-users at lists.isc.org> 
Sent: Sunday, February 5, 2012 10:20 AM
Subject: Re: dhclient not binding ip address to eth0
 

Is this a bootp lease? If not, there may be a problem with system clocks, as  your lease appears as expiring in 1-1-1970.


2012/2/5 Cheng-Yang Tan <cytan299 at yahoo.com>

Hi
>I'm having a very weird problem with dhclient running on arm-linux. I can get an ip address from dhclient:
>
>
>*********************************************
>
>
># cat dhclient.leases 
>lease {
>interface "eth0";
>fixed-address 192.168.1.6;
>option subnet-mask 255.255.255.0;
>option dhcp-lease-time 86400;
>option routers 192.168.1.1;
>option dhcp-message-type 5;
>option dhcp-server-identifier 192.168.1.1;
>option domain-name-servers 192.168.1.1;
>renew 4 1970/01/01 10:05:28;
>rebind 4 1970/01/01 21:01:42;
>expire 5 1970/01/02 00:01:42;
>}
>***************************************
>
>
>BUT it is *not* bound to eth0:
>
>
>******************************************
># ifconfig eth0
>eth0 Link encap:Ethernet HWaddr 56:C7:86:20:37:A6 
>UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>RX packets:277 errors:0 dropped:0 overruns:0 frame:0
>TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
>collisions:0 txqueuelen:1000 
>RX bytes:23176 (22.6 KiB) TX bytes:1026 (1.0 KiB) 
>Interrupt:54 
>*******************************************
>
>
>I can manually bind the address using:
>ifconfig eth0 192.168.1.6
>
>
>and eth0 talks to the world. 
>
>
>I believe I've set up /etc/network/interface correctly:
>*****************************************************
>auto lo 
>iface lo inet loopback 
># 
>auto eth0 
>iface eth0 inet dhcp 
>*****************************************************
>
>
>How can I make dhclient bind the ip address to eth0.
>
>
>Thanks for any info!
>
>
>cytan
>
>
>P.S. linux version is: 2.6.39.4
>and dclient comes from dhcp-4.1-ESV-R3.tar.gz
>
>_______________________________________________
>dhcp-users mailing list
>dhcp-users at lists.isc.org
>https://lists.isc.org/mailman/listinfo/dhcp-users
>

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