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Today's Topics:
1. Ubuntu update to isc-dhcp-server seems to have broken config
file processing (bls s)
----------------------------------------------------------------------
Message: 1
Date: Thu, 3 Jun 2021 23:46:19 +0000
From: bls s <bls3...@outlook.com>
To: "dhcp-users@lists.isc.org" <dhcp-users@lists.isc.org>
Subject: Ubuntu update to isc-dhcp-server seems to have broken config
file processing
Message-ID:
<mwhpr02mb2591d8f9bbc4470a78a198c0a3...@mwhpr02mb2591.namprd02.prod.outlook.com>
Content-Type: text/plain; charset="us-ascii"
I'm using isc-dhcp-server 4.4.1-2 on RasPiOS Buster, and it's working fine with
the following subnet declaration:
subnet 192.168.92.0 netmask 255.255.255.0 {
option domain-search "foo.com", "dyn.foo.com";
option broadcast-address 192.168.92.255;
allow duplicates;
ddns-updates off;
pool {
ddns-updates on;
allow unknown-clients;
option domain-name "dyn.foo.com";
ddns-rev-domainname "dhcp";
default-lease-time 86400;
max-lease-time 86400;
range 192.168.92.101 192.168.92.127;
}
}
This same subnet config worked on Ubuntu 21.04 a couple of weeks ago, with
isc-dhcp-server V4.4.1-2.2-ubuntu6 on it. Today I updated on Ubuntu, got
isc-dhcp-server V4.4.1-2.2ubuntu6.1 and now isc-dhcp-server complains about
"Can't clone pool group".
I found that I can put the pool declaration outside of the subnet declaration
on Ubuntu, and it works correctly. Unfortunately, doing this on RasPiOS fails!
Am I totally using subnet and pool incorrectly, or is this an incompatible
change in isc-dhcp-server? And, is it an intended change coming to mainline
isc-dhcp-server or did Ubuntu bork it?
This is important (to me, anyhow), since I have a tool that automatically
builds dhcpd.conf from a database, and now it's broken with no easy way to fix
other than putting in "do it this way/that way" switches.
Thanks for your help!
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