SUMMARY: fixed-address being ignored.

Ric Anderson ric at Opus1.COM
Wed Jun 11 14:18:03 UTC 2008


Thanks to Glenn and Chuck for pointing out the typo.  A
192.68.x.y that should have been 192.168.x.y.

Ric

Glenn Satchell wrote:
> The fixed address to be offered must be valid for the subnet the
> request came from. You've got a fixed address of 192.68.0.112 and a
> subnet of 192.168.0/24 (68 probably meant to be 168, right?).
> 
> Looks like a simple typo to me.
> 
> Good post with clear debug helps to diagnose these quickly.
> 
> regards,
> -glenn
> 
>> Date: Tue, 10 Jun 2008 21:15:22 -0700
>> From: Ric Anderson <ric at Opus1.COM>
>> Subject: fixed-address being ignored.
>> To: dhcp-users at isc.org
>>
>> I have a simplistic (and obviously broken) dhcp config.  The goal is assign
>> a known IP address to a specific MAC address.
>>
>> I have the device connected to eth1 (192.168.0.62/24), and dhcpd running with
>> the config below.  Running "dhcpd -d -f" shows
>> Internet Systems Consortium DHCP Server V3.0.6
>> Copyright 2004-2007 Internet Systems Consortium.
>> All rights reserved.
>> For info, please visit http://www.isc.org/sw/dhcp/
>> Wrote 0 deleted host decls to leases file.
>> Wrote 0 new dynamic host decls to leases file.
>> Wrote 0 leases to leases file.
>> Listening on LPF/eth1/00:14:d1:11:3d:54/192.168.0/24
>> Sending on   LPF/eth1/00:14:d1:11:3d:54/192.168.0/24
>> Sending on   Socket/fallback/fallback-net
>> DHCPDISCOVER from 00:18:97:00:2c:21 via eth1
>> DHCPOFFER on 192.168.0.95 to 00:18:97:00:2c:21 via eth1
>> DHCPREQUEST for 192.168.0.95 (192.168.0.62) from 00:18:97:00:2c:21 via eth1
>> DHCPACK on 192.168.0.95 to 00:18:97:00:2c:21 via eth1
>> DHCPREQUEST for 192.168.0.95 from 00:18:97:00:2c:21 via eth1
>> DHCPACK on 192.168.0.95 to 00:18:97:00:2c:21 via eth1
>>
>> which shows my fixed-address statement for 00:18:97:00:2c:21 is being ignored.
>> Anyone got ideas on what simple thing I've missed?
>>
>> Thanks,
>> Ric (ric at opus1.com)
>> ---begin dhcpd.conf---
>> # dhcpd.conf
>> #
>>
>> default-lease-time 600;
>> max-lease-time 7200;
>> ddns-update-style none;
>> option domain-name "DragonElf.NET";
>> option domain-name-servers 192.168.0.62, 192.168.0.111;
>>
>> # If this DHCP server is the official DHCP server for the local
>> # network, the authoritative directive should be uncommented.
>> authoritative;
>>
>> # Use this to send dhcp log messages to a different log file (you also
>> # have to hack syslog.conf to complete the redirection).
>> log-facility daemon;
>>
>> # Define the subnet we use to be the one on eth1.
>> subnet 192.168.0.0 netmask 255.255.255.0 {
>>   range 192.168.0.64 192.168.0.95;
>> }
>> #
>> # Nail down location of nas2.
>> host 192.68.0.112 {
>>   hardware ethernet 00:18:97:00:2c:21;
>>   fixed-address 192.68.0.112;
>>    option host-name "nas2";
>> }
>> #
>> #-end of dhcpd.conf
>> ---
>>
> 
> 


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