Regarding the dhcp lease time

Murali Krishna muralikrishch at gmail.com
Mon Apr 15 16:48:45 UTC 2019


Hi,

Im facing issue with the dhcp lease time.
Im having two different DHCP versions in server and client side. I could
see that the lease file at the client had very huge value of the dhcp lease.

version on the server side:
isc-dhcpd-4.3.6-P1

Version on the client side:
isc-dhcpd-4.2.1-P1

Content(part) of the lease file at the client side:
dhcp-lease-time 152292816;

Output of pcap file used for debugging:

   - #28 <https://gordon.advantech.com.tw/issues/28>: Client sends "DHCP
   Request" to server and asks the lease time 3600s.
   - #29 <https://gordon.advantech.com.tw/issues/29>: The server replies
   the "DHCP ACK" to client, but the lease time is 152292816s.


Please help in getting this resolved. Also please share in what kind of
situations the server will respond to the client with a huge lease value.

Thanks & Regards,
Muralikrishna CH
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