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a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>Troubleshooting</TITLE
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3718b64edcbcad3874cae9b01e00e1b64586f11bJames PhillpottsCOLSPAN="3"
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c289b3af72dda73e53e6886c920c198b779ebf37Rich RileyVALIGN="bottom"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><A
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a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>Prev</A
c289b3af72dda73e53e6886c920c198b779ebf37Rich Riley></TD
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3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts>Next</A
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a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><H1
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><A
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonNAME="ch08"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>Chapter 8. Troubleshooting</A
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington></H1
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><DIV
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonCLASS="TOC"
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington><DL
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington><DT
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington><B
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington>Table of Contents</B
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington></DT
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington><DT
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington>8.1. <A
71987d89713e626c4dab70fbd62163d8eb29757ePhill CunningtonHREF="Bv9ARM.ch08.html#AEN3861"
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington>Common Problems</A
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington></DT
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington><DT
71987d89713e626c4dab70fbd62163d8eb29757ePhill Cunnington>8.2. <A
3718b64edcbcad3874cae9b01e00e1b64586f11bJames PhillpottsHREF="Bv9ARM.ch08.html#AEN3867"
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts>Incrementing and Changing the Serial Number</A
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts></DT
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts><DT
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts>8.3. <A
732503600dd72c03d01e43a8a199f43150f8e056Phill CunningtonHREF="Bv9ARM.ch08.html#AEN3872"
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington>Where Can I Get Help?</A
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington></DT
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington></DL
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington></DIV
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington><DIV
732503600dd72c03d01e43a8a199f43150f8e056Phill CunningtonCLASS="sect1"
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington><H1
732503600dd72c03d01e43a8a199f43150f8e056Phill CunningtonCLASS="sect1"
732503600dd72c03d01e43a8a199f43150f8e056Phill Cunnington><A
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonNAME="AEN3861"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>8.1. Common Problems</A
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington></H1
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><DIV
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonCLASS="sect2"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><H2
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonCLASS="sect2"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><A
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonNAME="AEN3863"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>8.1.1. It's not working; how can I figure out what's wrong?</A
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington></H2
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><P
3628e59dec497ce19ee5a166249755c861902b06Phill Cunnington>The best solution to solving installation and
3628e59dec497ce19ee5a166249755c861902b06Phill Cunnington configuration issues is to take preventative measures by setting
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington up logging files beforehand (see the sample configurations in
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington <A
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonHREF="Bv9ARM.ch03.html#sample_configuration"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>Section 3.1</A
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington>). The log files provide a
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington source of hints and information that can be used to figure out
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington what went wrong and how to fix the problem.</P
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington></DIV
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington></DIV
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><DIV
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonCLASS="sect1"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><H1
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonCLASS="sect1"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><A
3718b64edcbcad3874cae9b01e00e1b64586f11bJames PhillpottsNAME="AEN3867"
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts>8.2. Incrementing and Changing the Serial Number</A
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts></H1
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts><P
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts>Zone serial numbers are just numbers-they aren't date
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts related. A lot of people set them to a number that represents a
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington date, usually of the form YYYYMMDDRR. A number of people have been
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington testing these numbers for Y2K compliance and have set the number
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts to the year 2000 to see if it will work. They then try to restore
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts the old serial number. This will cause problems because serial
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts numbers are used to indicate that a zone has been updated. If the
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts serial number on the slave server is lower than the serial number
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts on the master, the slave server will attempt to update its copy of
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts the zone.</P
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts><P
c9f1d3043c1f8394a35ebfd5aad3bdeb841e55dfPhill Cunnington>Setting the serial number to a lower number on the master
c9f1d3043c1f8394a35ebfd5aad3bdeb841e55dfPhill Cunnington server than the slave server means that the slave will not perform
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts updates to its copy of the zone.</P
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts><P
3718b64edcbcad3874cae9b01e00e1b64586f11bJames Phillpotts>The solution to this is to add 2147483647 (2^31-1) to the
c289b3af72dda73e53e6886c920c198b779ebf37Rich Riley number, reload the zone and make sure all slaves have updated to
c289b3af72dda73e53e6886c920c198b779ebf37Rich Riley the new zone serial number, then reset the number to what you want
c289b3af72dda73e53e6886c920c198b779ebf37Rich Riley it to be, and reload the zone again.</P
c289b3af72dda73e53e6886c920c198b779ebf37Rich Riley></DIV
c289b3af72dda73e53e6886c920c198b779ebf37Rich Riley><DIV
a093731116a8c24d49b903df7602cf586e499b45Phill CunningtonCLASS="sect1"
a093731116a8c24d49b903df7602cf586e499b45Phill Cunnington><H1
c9f1d3043c1f8394a35ebfd5aad3bdeb841e55dfPhill CunningtonCLASS="sect1"
><A
NAME="AEN3872"
>8.3. Where Can I Get Help?</A
></H1
><P
>The Internet Software Consortium (<SPAN
CLASS="acronym"
>ISC</SPAN
>) offers a wide range
of support and service agreements for <SPAN
CLASS="acronym"
>BIND</SPAN
> and <SPAN
CLASS="acronym"
>DHCP</SPAN
> servers. Four
levels of premium support are available and each level includes
support for all <SPAN
CLASS="acronym"
>ISC</SPAN
> programs, significant discounts on products
and training, and a recognized priority on bug fixes and
non-funded feature requests. In addition, <SPAN
CLASS="acronym"
>ISC</SPAN
> offers a standard
support agreement package which includes services ranging from bug
fix announcements to remote support. It also includes training in
<SPAN
CLASS="acronym"
>BIND</SPAN
> and <SPAN
CLASS="acronym"
>DHCP</SPAN
>.</P
><P
>To discuss arrangements for support, contact
<A
HREF="email:info@isc.org"
TARGET="_top"
>info@isc.org</A
> or visit the
<SPAN
CLASS="acronym"
>ISC</SPAN
> web page at <A
HREF="http://www.isc.org/services/support/"
TARGET="_top"
>http://www.isc.org/services/support/</A
>
to read more.</P
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