DHCP leases issue

Bill Shirley bill at c3po.polymerindustries.biz
Fri Sep 6 19:03:41 UTC 2019


Note: two minutes (120 seconds) is a very short lease time.

Are you sure you're looking at the correct lease file?  Your grep says you have *no**
**leases* on 192.168.3.x.

Your log entries via looks strange.  I would think it should contain the interface name:
DHCPDISCOVER from 40:4e:36:d2:bf:9d via wifi
DHCPDISCOVER from b4:18:d1:69:02:f9 (Bobs-iPhone) via wifi

Bill

On 9/6/2019 6:25 AM, Surya Teja wrote:
> Hi
> I have configured the dhcp on my local environment  with the configuration as
> =================================
> subnet 192.168.3.0 netmask 255.255.255.0 {
>         pool {
>                 range 192.168.3.3 192.168.3.143;
>         }
>                 default-lease-time 120;
>                 max-lease-time 120;
>                 option domain-name "example.com <http://example.com>";
>                 option routers 192.168.3.1;
>                 option subnet-mask 255.255.255.0;
>         }
> But no client is able to get the IP and in the logs I can see:
> DHCPDISCOVER from 84:EF:18:6A:89:DE via 192.168.3.11 <http://192.168.3.11>: network 192.168.3.0/24 <http://192.168.3.0/24>:*no 
> free leases*
> DHCPDISCOVER from 00:FF:4A:81:D5:A5 via 192.168.3.16 <http://192.168.3.16>: network 192.168.3.0/24 <http://192.168.3.0/24>: 
> *no free leases*
> But it is not possible and none of the client get the lease from the specified network. I cross checked in the lease file also
> [root at dhcpserver]# cat dhcpd.leases | grep 192.168.3 -A 10 -B 10
> [root at dhcpserver]#
> It doesn't shows any entry
>
> Any help is appreciated thanks in advance
>
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