Bv9ARM.ch08.html revision f2016fcecf098726740507a5522dca04c49aeb82
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - Copyright (C) 2004-2014 Internet Systems Consortium, Inc. ("ISC")
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - Copyright (C) 2000-2003 Internet Software Consortium.
163214f6685497247d57aa5ea96fb233b3785fcfTilo Mitra - Permission to use, copy, modify, and/or distribute this software for any
163214f6685497247d57aa5ea96fb233b3785fcfTilo Mitra - purpose with or without fee is hereby granted, provided that the above
163214f6685497247d57aa5ea96fb233b3785fcfTilo Mitra - copyright notice and this permission notice appear in all copies.
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
8f0dc35284b10842ef7c44ffc3d410227804fcedTilo Mitra - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra - PERFORMANCE OF THIS SOFTWARE.
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3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<link rel="next" href="Bv9ARM.ch09.html" title="Appendix�A.�Appendices">
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3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<tr><th colspan="3" align="center">Chapter�8.�Troubleshooting</th></tr>
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3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<div class="titlepage"><div><div><h2 class="title">
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<a name="Bv9ARM.ch08"></a>Chapter�8.�Troubleshooting</h2></div></div></div>
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2606215">Common Problems</a></span></dt>
0901f647ab1c025356eb9575af78ae80070263a9Tilo Mitra<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2606220">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd>
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2606232">Incrementing and Changing the Serial Number</a></span></dt>
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2606249">Where Can I Get Help?</a></span></dt>
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra<div class="titlepage"><div><div><h2 class="title" style="clear: both">
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<a name="id2606215"></a>Common Problems</h2></div></div></div>
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<div class="titlepage"><div><div><h3 class="title">
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<a name="id2606220"></a>It's not working; how can I figure out what's wrong?</h3></div></div></div>
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra The best solution to solving installation and
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra configuration issues is to take preventative measures by setting
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra up logging files beforehand. The log files provide a
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra source of hints and information that can be used to figure out
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra what went wrong and how to fix the problem.
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<div class="titlepage"><div><div><h2 class="title" style="clear: both">
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<a name="id2606232"></a>Incrementing and Changing the Serial Number</h2></div></div></div>
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra Zone serial numbers are just numbers — they aren't
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra date related. A lot of people set them to a number that
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra represents a date, usually of the form YYYYMMDDRR.
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra Occasionally they will make a mistake and set them to a
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra "date in the future" then try to correct them by setting
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra them to the "current date". This causes problems because
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra serial numbers are used to indicate that a zone has been
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra updated. If the serial number on the slave server is
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra lower than the serial number on the master, the slave
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra server will attempt to update its copy of the zone.
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra Setting the serial number to a lower number on the master
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra server than the slave server means that the slave will not perform
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra updates to its copy of the zone.
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra The solution to this is to add 2147483647 (2^31-1) to the
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra number, reload the zone and make sure all slaves have updated to
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra the new zone serial number, then reset the number to what you want
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra it to be, and reload the zone again.
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<div class="titlepage"><div><div><h2 class="title" style="clear: both">
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra<a name="id2606249"></a>Where Can I Get Help?</h2></div></div></div>
04d20331c4b5af717b17a6d9e70f79dda460a3fcTilo Mitra The Internet Systems Consortium
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra (<acronym class="acronym">ISC</acronym>) offers a wide range
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra of support and service agreements for <acronym class="acronym">BIND</acronym> and <acronym class="acronym">DHCP</acronym> servers. Four
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra levels of premium support are available and each level includes
8f0dc35284b10842ef7c44ffc3d410227804fcedTilo Mitra support for all <acronym class="acronym">ISC</acronym> programs,
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra significant discounts on products
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra and training, and a recognized priority on bug fixes and
3506bb474b8013d61e36019986064fd9fb8fa9fbTilo Mitra non-funded feature requests. In addition, <acronym class="acronym">ISC</acronym> offers a standard
<a href="http://www.isc.org/services/support/" target="_top">http://www.isc.org/services/support/</a>