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--On 3/25/99, 10:00 AM +0100 Pontus Nyrelli;contact=uabpont wrote:
} I'm using Michael Anthon's patch for DHCP-DNS interaction but it doesn't
} seem to work. The DHCP server assigns addresses the way it should. The
} DNS server seems to be up and running. When I use nslookup to ask about
} a host with an address not assigned by the DHCP server I get the correct
} result, but when I do the same with an host assigned by the DHCP server
} it says no entry for the host.
}
} Does anybody know what is wrong?
What information about DNS updates appears in the dhcpd log file?
Successful dns updates will report success, failed ones will
report failure. From our site's logs, here is an example
of an update that failed, because the name was already present:
Mar 25 10:34:56 lax dhcpd: DHCPREQUEST for xxx.xxx.xx.xxx from 00:10:4b:9e:82:4b via
ef0
Mar 25 10:34:56 lax dhcpd: add failed: hostname.domain. IN A xxx.xxx.xx.xxx
Mar 25 10:34:56 lax dhcpd: DHCPACK on xxx.xxx.xx.xxx to 00:10:4b:9e:82:4b via ef0
(I edited the fully qualified domain name and IP address assignments
for privacy.)
There is a corresponding entry in the dns log for the failed transaction:
Mar 25 10:34:56 lax named[83]: error processing update packet id 41558 from
[192.52.153.11].3284
If you are not seeing entries between DHCPREQUEST and DHCPACK for dns updates,
the installation of the patches apparently did not succeed. Check the source
file server/dhcp.c to be sure the calls to nsupdate() were properly applied.
There are two changes made by the patches, one for releases and one for adds:
/* If we found a lease, release it. */
if (lease) {
nsupdate (lease, DELETE);
release_lease (lease);
}
and...
lease -> timestamp = cur_time;
if (!(lease -> flags & STATIC_LEASE))
nsupdate (lease, ADD);
dhcp_reply (lease);
Jim
--
Jim Watt [EMAIL PROTECTED]
PE Corporation Voice (desk): +1 408 577 2228
PE Informatics Division Fax: +1 408 894 9307
3833 North First Street Voice (main): +1 408 577 2200
San Jose CA 95134-1701
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