[CentOS] CentOs 6 DHCP Server and virtual interface

Grzegorz Sołtys soltys.g at gmail.com
Sun Feb 3 13:38:34 UTC 2013


I have made it, and the DHCP server won't start telling me:

" Feb  3 13:42:21 vlan19 dhcpd: No subnet declaration for eth0:0 (no 
IPv4 addresse s).
Feb  3 13:42:21 vlan19 dhcpd: ** Ignoring requests on eth0:0.  If this 
is not what
Feb  3 13:42:21 vlan19 dhcpd:    you want, please write a subnet declaration
Feb  3 13:42:21 vlan19 dhcpd:    in your dhcpd.conf file for the network 
segment
Feb  3 13:42:21 vlan19 dhcpd:    to which interface eth0:0 is attached. **
"

I have conifgured all files to use DHCPD on this interface.  Do you need 
all conifguraiton?


/Best Regards
*Grzegorz Sołtys*/
__________________
UML Professional (Cert #251574932)

W dniu 2013-02-03 14:28, Johnny Hughes pisze:
> On 02/03/2013 06:38 AM, Grzegorz Sołtys wrote:
>> Hello All
>>
>> I have looking for any specific answer for one thing.
>>
>> I have a virtualized Server with only one physical interface eth0 (WAN).
>> To run OpenVPN i need to use DHCP server. And here is the question: is
>> there a chance to run DHCP server on eth0:0 interface? Or it is impossible ?
>>
>> Thanks in advance.
>>
>  From the EL6 Deployemtn Guide:
> https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/sect-Configuring_a_Multihomed_DHCP_Server.html
>
>
> "If a system has three network interfaces cards -- eth0, eth1, and eth2
> -- and it is only desired that the DHCP daemon listens on eth0, then
> only specify eth0 in /etc/sysconfig/dhcpd"
> DHCPDARGS="eth0"
>
> So in your case, edit the file /etc/sysconfig/dhcpd and set:
>
> DHCPDARGS="eth0:0";
>
>
>
>
>
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