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Today's Topics:

   1. Problems building on Ubuntu 16.04 (Andrei Pavel)
   2. Assigned IP address lost after reboot (Windows 10)
      (Jeremy Ainsworth)


Message: 1
Date: Mon, 19 Sep 2016 17:43:06 +0300
From: Andrei Pavel <>
Subject: Problems building on Ubuntu 16.04
Content-Type: text/plain; charset=UTF-8


I'm not able to build ISC DHCP on an Ubuntu 16.04. It doesn't seem to
be as easy as ./configure && make and I don't know what I'm missing.
So here's what I've done.

1. I've git cloned

2. I've installed the bind package through apt-get. Alternatively, on
another occasion, I've also installed bind9 from the git repository
with the same result below.

3. While on branch master, I've added 'subdir-objects' to
AC_INIT_AUTOMAKE in and run autoreconf --install so that
all the Makefiles are updated. This hasn't changed the Makefiles much
but it does get rid of all the warnings of autoreconf. This step isn't
very relevant.

4. I've pointed the ./configure to the location of the bind libraries
with --with-libbind.

5. On make, I get undefined references to symbols belonging to
pthread, libxml, openssl libraries and some others that are prefixed
with isc_, dns_, gssapi_ and others. This is the inconvenience.

Is there something obvious that I'm missing?

Would appreciate any help,
Andrei Pavel


Message: 2
Date: Mon, 19 Sep 2016 16:03:23 +0100
From: Jeremy Ainsworth <>
Subject: Assigned IP address lost after reboot (Windows 10)
Content-Type: text/plain; charset="utf-8"

Hello all,

I have set up an ISC dhcp6 server to statefully assign IPv6 addresses to a
few computers at home. The server is issuing addresses correctly and the
Windows 10 clients are configuring themselves accordingly.

I am experiencing a problem whereby if any Windows 10 computer is rebooted,
the assigned IP address is not re-instated unless I forcefully run
'ipconfig /release6' followed by 'ipconfig /renew6' after which the
previously assigned IPv6 address is added to the interface once again and
everything is back to normal (until the next reboot).

The entries in the server log file are the same for when the client is
rebooted and when the client is instructed to specifically renew it's IPv6
lease, so that doesn't reveal any specific clues.

I also noted a case where Windows 10 was reporting it's assigned IP address
is "Deprecated" and it wouldn't automatically renew. Again, I had to
forcefully release/renew on the command prompt for it to renew the lease
and re-instate the same IP address as "Preferred".

Any clues as to what is wrong would be greatly appreciated.

Thanks very much
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