No answer on DHCP Query Lease
h.koster at genexis.eu
Tue Feb 17 09:54:11 UTC 2015
Cause was bug in isc-dhcpd.
An upgrade of our running OS to Ubuntu 14 was needed to apt-get an updated dhcp server
From: Han Koster <h.koster at genexis.eu<mailto:h.koster at genexis.eu>>
Reply-To: Users of ISC DHCP <dhcp-users at lists.isc.org<mailto:dhcp-users at lists.isc.org>>
Date: Monday 26 January 2015 12:30
To: "dhcp-users at lists.isc.org<mailto:dhcp-users at lists.isc.org>" <dhcp-users at lists.isc.org<mailto:dhcp-users at lists.isc.org>>
Subject: No answer on DHCP Query Lease
I am sending a lease query to the DHCP server which answers with LeaseUnassigned when I request an IP address or a MAC address that is unknown.
But when I try a known address, either IP or MAC, the server is not sending an response.
I am sure that I transmit exactly the same packet in both cases. Only the address is different in the request.
I tried both broadcast and unicast to the server. Same result.
Thanks for any help,
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