a single subnet that is failing

[Remzi AKYUZ]

Hello,
if your you dont have any interface on 10.4.51.0/24,
dhcpd could not serv for 10.4.51.0/24.
you can try dhcpd whith vlan.

Denis Laventure wrote:
> You're trying to execute dhcpd from your path. You should use ./dhcpd
> restart if you're in /etc/init.d or better use /etc/init.d/dhcpd restart.
>
> Aaron S. Thompson a écrit :
>> Hi All,
>>
>> I have a single subnet that is failing and I could use a little
>> assistance on finding out why. I have a couple hundred subnets that
>> are working fine with 18,132 leases. Below is some key information on
>> my setup.
>>
>> My routers are properly relaying the udp broadcast and the dhcp box
>> is seeing the request but hasn't matched it to the declaration. What
>> other trouble shooting techniques I'm I missing?
>>
>> Linux Version
>>
>> [root at ns2 init.d]# uname -a
>> Linux ns2.berklee.net 2.6.9-55.EL #1 Fri Apr 20 16:35:59 EDT 2007
>> i686 i686 i386 GNU/Linux
>>
>> Two error's on start up. (I do have this config (DHCPDARGS=eth0) in
>> /etc/sysconfig/dhcpd)
>>
>>  
>>
>> [root at ns2 init.d]# dhcpd restart
>> Internet Systems Consortium DHCP Server V3.0.1
>> Copyright 2004 Internet Systems Consortium.
>> All rights reserved.
>> For info, please visit http://www.isc.org/sw/dhcp/
>> Wrote 0 deleted host decls to leases file.
>> Wrote 0 new dynamic host decls to leases file.
>> Wrote 18132 leases to leases file.
>>
>> No subnet declaration for restart (0.0.0.0).
>> ** Ignoring requests on restart.  If this is not what
>>    you want, please write a subnet declaration
>>    in your dhcpd.conf file for the network segment
>>    to which interface restart is attached. **
>>
>> Not configured to listen on any interfaces!
>>
>> 10.4.51.0 is NOT working and 10.4.54.0 is working.
>>
>>   } 
>> }
>> subnet 10.4.51.0 netmask 255.255.255.0 {
>>   #  Web Group
>>   option subnet-mask 255.255.255.0;
>>   option broadcast-address 10.4.51.255;
>>   option routers 10.4.51.1;
>> pool { 
>> deny dynamic bootp clients;
>>    range 10.4.51.30 10.4.51.254;
>>   } 
>> }
>> subnet 10.4.54.0 netmask 255.255.255.0 {
>>   #4th Floor HR
>>   option subnet-mask 255.255.255.0;
>>   option broadcast-address 10.4.54.255;
>>   option routers 10.4.54.1;
>> pool { 
>> deny dynamic bootp clients;
>>    range 10.4.54.30 10.4.54.254;
>>   } 
>> }
>>
>> Log Error's
>>
>> Nov 26 11:43:27 ns2 dhcpd: DHCPDISCOVER from 00:03:93:43:58:f0 via
>> 10.4.51.3: unknown network segment
>> Nov 26 11:43:27 ns2 dhcpd: DHCPDISCOVER from 00:03:93:43:58:f0 via
>> 10.4.51.2: unknown network segment
>> Nov 26 11:43:28 ns2 dhcpd: DHCPDISCOVER from 00:03:93:8a:5d:70 via
>> 10.4.51.2: unknown network segment
>> Nov 26 11:43:28 ns2 dhcpd: DHCPDISCOVER from 00:03:93:8a:5d:70 via
>> 10.4.51.3: unknown network segment
>>
>> Thanks for taking the time!
>>
>>
>> Aaron
>
> -- 
> Denis Laventure
> Technicien en informatique
> Service des Technologies de l'Information
> Université du Québec à Chicoutimi