From: Peter Valian (valianp@southwestern.edu)
Date: Mon Feb 09 2004 - 10:39:38 CST
If this is the case, you better have a talk with your network
admin...your border router should not be accepting such routes!
David Meuleman wrote:
> Just a guess, but I think your DHCP client is finding the 1.1.1.x
> addresses somewhere on the Internet and thus declines the DHCPOFFER.
>
> I suggest using a subnet of one of the following ranges for your
> unregistered clients. These addresses aren't routed by Internet routers.
>
> 10.0.0.0 - 10.255.255.255
> 172.16.0.0 - 172.31.255.255
> 192.168.0.0 - 192.168.255.255
>
> Dave
>
> On Mon, 9 Feb 2004 09:02:52 -0500, Matt Glover <mglover@chem.ufl.edu>
> wrote:
>
>> Hi All,
>>
>> I'm having a problem getting dhcp to work correctly
>> with netreg-1.3rc2 on a fedora box. I set the server
>> up on an external network with the server and a
>> Windows 2000 laptop connected with a 4 port ethernet
>> switch. Gave the server a legitimate IP address and a
>> virtual IP of 1.1.1.1. Everything works as it should.
>> Laptop gets the correct IP, Gateway, DNS server etc.
>> When I connected both computers to our real network
>> the laptop won't keep an IP address. The error on the
>> laptop is:
>>
>>
>> The following error occurred when renewing adapter
>> Local Area Connection: The DHCP client obtained an IP
>> address that is already in use on the network.
>>
>>
>> I don't think any 1.1.1.x addresses are being used on
>> my network unless they are some special ip's or
>> something. I have inserted all of my config files and
>> the system log below. Thanks in advance for all the
>> help.
>>
>> matt
>>
>>
>>
>>
>> messages log:
>>
>> Feb 3 15:24:52 netreg dhcpd: dhcpd shutdown succeeded
>> Feb 3 15:24:57 netreg kernel: e100: eth0 NIC Link is
>> Down
>> Feb 3 15:25:01 netreg kernel: e100: eth0 NIC Link is
>> Up 100 Mbps Full duplex
>> Feb 3 15:35:37 netreg dhcpd: Internet Software
>> Consortium DHCP Server V3.0pl2
>> Feb 3 15:35:37 netreg dhcpd: Copyright 1995-2003
>> Internet Software Consortium.
>> Feb 3 15:35:37 netreg dhcpd: All rights reserved.
>> Feb 3 15:35:37 netreg dhcpd: For info, please visit
>> http://www.isc.org/products
>> /DHCP
>> Feb 3 15:35:37 netreg dhcpd: Wrote 0 deleted host
>> decls to leases file.
>> Feb 3 15:35:37 netreg dhcpd: Wrote 0 new dynamic host
>> decls to leases file.
>> Feb 3 15:35:37 netreg dhcpd: Wrote 1 leases to leases
>> file.
>> Feb 3 15:35:37 netreg dhcpd: Internet Software
>> Consortium DHCP Server V3.0pl2
>> Feb 3 15:35:37 netreg dhcpd: Copyright 1995-2003
>> Internet Software Consortium.
>> Feb 3 15:35:37 netreg dhcpd: All rights reserved.
>> Feb 3 15:35:37 netreg dhcpd: For info, please visit
>> http://www.isc.org/products
>> /DHCP
>> Feb 3 15:35:37 netreg dhcpd: Wrote 0 deleted host
>> decls to leases file.
>> Feb 3 15:35:37 netreg dhcpd: Wrote 0 new dynamic host
>> decls to leases file.
>> Feb 3 15:35:37 netreg dhcpd: Wrote 1 leases to leases
>> file.
>> Feb 3 15:35:37 netreg dhcpd: Listening on
>> LPF/eth0/00:07:e9:86:10:7b/lei
>> Feb 3 15:35:37 netreg dhcpd: Sending on
>> LPF/eth0/00:07:e9:86:10:7b/lei
>> Feb 3 15:35:37 netreg dhcpd: Sending on
>> Socket/fallback/fallback-net
>> Feb 3 15:35:37 netreg dhcpd: Listening on
>> LPF/eth0/00:07:e9:86:10:7b/lei
>> Feb 3 15:35:37 netreg dhcpd: Sending on
>> LPF/eth0/00:07:e9:86:10:7b/lei
>> Feb 3 15:35:37 netreg dhcpd: Sending on
>> Socket/fallback/fallback-net
>> Feb 3 15:35:37 netreg dhcpd: dhcpd startup succeeded
>> Feb 3 15:36:16 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 (IT-CART) via
>> eth0
>> Feb 3 15:36:17 netreg dhcpd: DHCPOFFER on 1.1.1.200
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:17 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.200 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:17 netreg dhcpd: DHCPACK on 1.1.1.200 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:17 netreg dhcpd: Abandoning IP address
>> 1.1.1.200: declined.
>> Feb 3 15:36:17 netreg dhcpd: DHCPDECLINE of 1.1.1.200
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:36:17 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:36:18 netreg dhcpd: DHCPOFFER on 1.1.1.199
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:18 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.199 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:18 netreg dhcpd: DHCPACK on 1.1.1.199 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:18 netreg dhcpd: Abandoning IP address
>> 1.1.1.199: declined.
>> Feb 3 15:36:18 netreg dhcpd: DHCPDECLINE of 1.1.1.199
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:36:18 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:36:19 netreg dhcpd: DHCPOFFER on 1.1.1.198
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:19 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.198 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:19 netreg dhcpd: DHCPACK on 1.1.1.198 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:19 netreg dhcpd: Abandoning IP address
>> 1.1.1.198: declined.
>> Feb 3 15:36:19 netreg dhcpd: DHCPDECLINE of 1.1.1.198
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:36:22 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:36:23 netreg dhcpd: DHCPOFFER on 1.1.1.197
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:23 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.197 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:23 netreg dhcpd: DHCPACK on 1.1.1.197 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:23 netreg dhcpd: Abandoning IP address
>> 1.1.1.197: declined.
>> Feb 3 15:36:23 netreg dhcpd: DHCPDECLINE of 1.1.1.197
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:36:22 netreg ntpd[4497]: time reset
>> -0.927805 s
>> Feb 3 15:36:22 netreg ntpd[4497]: kernel time
>> discipline status change 41
>> Feb 3 15:36:22 netreg ntpd[4497]: synchronisation
>> lost
>> Feb 3 15:36:32 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:36:33 netreg dhcpd: DHCPOFFER on 1.1.1.196
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:33 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.196 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:33 netreg dhcpd: DHCPACK on 1.1.1.196 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:33 netreg dhcpd: Abandoning IP address
>> 1.1.1.196: declined.
>> Feb 3 15:36:33 netreg dhcpd: DHCPDECLINE of 1.1.1.196
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:36:43 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:36:44 netreg dhcpd: DHCPOFFER on 1.1.1.195
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:44 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.195 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:44 netreg dhcpd: DHCPACK on 1.1.1.195 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:44 netreg dhcpd: Abandoning IP address
>> 1.1.1.195: declined.
>> Feb 3 15:36:44 netreg dhcpd: DHCPDECLINE of 1.1.1.195
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:36:54 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:36:55 netreg dhcpd: DHCPOFFER on 1.1.1.194
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:36:55 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.194 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:36:55 netreg dhcpd: DHCPACK on 1.1.1.194 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:36:55 netreg dhcpd: Abandoning IP address
>> 1.1.1.194: declined.
>> Feb 3 15:36:55 netreg dhcpd: DHCPDECLINE of 1.1.1.194
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:37:04 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:37:05 netreg dhcpd: DHCPOFFER on 1.1.1.193
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:37:05 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.193 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:37:05 netreg dhcpd: DHCPACK on 1.1.1.193 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:37:05 netreg dhcpd: Abandoning IP address
>> 1.1.1.193: declined.
>> Feb 3 15:37:05 netreg dhcpd: DHCPDECLINE of 1.1.1.193
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:37:15 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:37:16 netreg dhcpd: DHCPOFFER on 1.1.1.192
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:37:16 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.192 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:37:16 netreg dhcpd: DHCPACK on 1.1.1.192 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:37:16 netreg dhcpd: Abandoning IP address
>> 1.1.1.192: declined.
>> Feb 3 15:37:16 netreg dhcpd: DHCPDECLINE of 1.1.1.192
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:37:26 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:37:27 netreg dhcpd: DHCPOFFER on 1.1.1.191
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:37:27 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.191 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:37:27 netreg dhcpd: DHCPACK on 1.1.1.191 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:37:27 netreg dhcpd: Abandoning IP address
>> 1.1.1.191: declined.
>> Feb 3 15:37:27 netreg dhcpd: DHCPDECLINE of 1.1.1.191
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:37:27 netreg dhcpd: DHCPDISCOVER from
>> 00:0d:56:7b:05:a9 via eth0
>> Feb 3 15:37:28 netreg dhcpd: DHCPOFFER on 1.1.1.190
>> to 00:0d:56:7b:05:a9 (Colin
>> ) via eth0
>> Feb 3 15:37:28 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.190 (1.1.1.1) from 00:0d:56:
>> 7b:05:a9 (Colin) via eth0
>> Feb 3 15:37:28 netreg dhcpd: DHCPACK on 1.1.1.190 to
>> 00:0d:56:7b:05:a9 (Colin)
>> via eth0
>> Feb 3 15:37:28 netreg dhcpd: Abandoning IP address
>> 1.1.1.190: declined.
>> Feb 3 15:37:28 netreg dhcpd: DHCPDECLINE of 1.1.1.190
>> from 00:0d:56:7b:05:a9 (C
>> olin) via eth0: not found
>> Feb 3 15:37:37 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:37:38 netreg dhcpd: DHCPOFFER on 1.1.1.189
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:37:38 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.189 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:37:38 netreg dhcpd: DHCPACK on 1.1.1.189 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:37:38 netreg dhcpd: Abandoning IP address
>> 1.1.1.189: declined.
>> Feb 3 15:37:38 netreg dhcpd: DHCPDECLINE of 1.1.1.189
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>> Feb 3 15:37:38 netreg dhcpd: DHCPDISCOVER from
>> 00:0d:56:7b:05:a9 via eth0
>> Feb 3 15:37:39 netreg dhcpd: DHCPOFFER on 1.1.1.188
>> to 00:0d:56:7b:05:a9 (Colin
>> ) via eth0
>> Feb 3 15:37:39 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.188 (1.1.1.1) from 00:0d:56:
>> 7b:05:a9 (Colin) via eth0
>> Feb 3 15:37:39 netreg dhcpd: DHCPACK on 1.1.1.188 to
>> 00:0d:56:7b:05:a9 (Colin)
>> via eth0
>> Feb 3 15:37:39 netreg dhcpd: Abandoning IP address
>> 1.1.1.188: declined.
>> Feb 3 15:37:39 netreg dhcpd: DHCPDECLINE of 1.1.1.188
>> from 00:0d:56:7b:05:a9 (C
>> olin) via eth0: not found
>> Feb 3 15:37:48 netreg dhcpd: DHCPDISCOVER from
>> 00:e0:b8:3c:67:a7 via eth0
>> Feb 3 15:37:49 netreg dhcpd: DHCPOFFER on 1.1.1.187
>> to 00:e0:b8:3c:67:a7 (IT-CA
>> RT) via eth0
>> Feb 3 15:37:49 netreg dhcpd: DHCPREQUEST for
>> 1.1.1.187 (1.1.1.1) from 00:e0:b8:
>> 3c:67:a7 (IT-CART) via eth0
>> Feb 3 15:37:49 netreg dhcpd: DHCPACK on 1.1.1.187 to
>> 00:e0:b8:3c:67:a7 (IT-CART
>> ) via eth0
>> Feb 3 15:37:49 netreg dhcpd: DHCPDISCOVER from
>> 00:0d:56:7b:05:a9 via eth0
>> Feb 3 15:37:49 netreg dhcpd: Abandoning IP address
>> 1.1.1.187: declined.
>> Feb 3 15:37:49 netreg dhcpd: DHCPDECLINE of 1.1.1.187
>> from 00:e0:b8:3c:67:a7 (I
>> T-CART) via eth0: not found
>>
>>
>> db.root file:
>>
>>
>> ; Bind 8 -- Zone file -- for NetReg
>> ; Belongs at /etc/db.root
>>
>>
>> @ IN SOA netreg.chem.school.edu.
>> root.netreg.chem.ufl.edu. (
>> 8
>> 10800
>> 3600
>> 604800
>> 86400
>> )
>> IN NS
>> netreg.chem.school.edu.
>> netreg 86400 IN A 1.1.1.1
>> *. 86400 IN A 1.1.1.1
>>
>>
>>
>>
>>
>>
>> named.conf
>>
>>
>> [root@netreg etc]# cat named.conf
>> // named.conf for NetReg
>> // Belongs at /etc/named.conf
>>
>> server 1.1.1.1{
>> bogus yes;
>> };
>>
>> options {
>> directory "/etc/";
>> recursion no;
>> fetch-glue no;
>> };
>>
>> zone "." in {
>> type master;
>> file "db.root";
>> };
>>
>>
>>
>> dhcpd.conf:
>>
>>
>> ##
>> ## /etc/dhcpd/dhcpd.conf
>> ## ISC DHCPD v3 Configuration file
>> ## anakin.southwestern.edu -- DHCP registration server
>> ## Peter Valian -- June 04 1999
>> ## Modified: 20010813
>>
>>
>> option domain-name "chem.school.edu";
>> option netbios-node-type 8;
>> server-identifier netreg.chem.school.edu;
>> max-lease-time 120;
>> default-lease-time 120;
>> allow bootp;
>> allow booting;
>> ddns-update-style ad-hoc;
>> ddns-updates off;
>> omapi-port 7911;
>>
>> shared-network lei {
>> subnet 1.1.1.0 netmask 255.255.255.0 {
>> option routers 1.1.1.1;
>> }
>>
>> subnet xxx.yyy.16.0 netmask 255.255.255.0 {
>> option routers xxx.yyy.16.12;
>> }
>>
>> #unknown client pool
>> pool {
>> option domain-name-servers 1.1.1.1;
>> max-lease-time 120;
>> default-lease-time 120;
>> range 1.1.1.100 1.1.1.200;
>> allow unknown clients;
>> }
>>
>> #known client pool
>> pool {
>> option domain-name-servers xxx.yyy.16.12;
>> max-lease-time 28800;
>> default-lease-time 28800;
>> range xxx.yyy.16.101 xxx.yyy.16.201;
>> deny unknown clients;
>> }
>> }
>>
>>
>> #<BEGIN_STATIC>#
>> host sample-1 { hardware ethernet 00:30:DB:00:A7:A3 ;
>> }
>> #Mozilla/4.0 (compatible; MSIE 5.0; Windows 98;
>> DigExt;
>> AT&T WNS5.0)#20010813 15:46:25#161.13.61.150
>>
>>
>>
>> subnet.dat:
>>
>> # Fields followed by colons:
>> # 1. Subnet/mask length for registered clients
>> # 2. Location of subnet
>> # 3. Total number of leases from the subnet for
>> registered clients
>> # 4. Subnet/mask length for unregistered clients if
>> different,
>> # otherwise blank. Note, if you do not specify a
>> different
>> # "subnet" for unregistered clients, active leases
>> for this
>> # subnet (#1 above) will be counted as belonging to
>> unregistered
>> # clients. You should specify a range for unknown
>> clients in
>> # your dhcpd.conf file that be covered a subnet, no
>> matter how
>> # small and regardless of whether it overlaps with
>> the subnet
>> # for registered clients. A trailing colon is
>> optional.
>> #
>> # e.g.
>> # 10.0.64.0/20:Engineering:425::
>> # 10.0.96.0/24:Sales:25:192.168.0.0/24:
>> # 10.0.128.0/24:Building 52:127:10.0.128.192/26:
>> #
>> xxx.yyy.16.0/24: Test Net1: 100: 1.1.1.0/24:
>>
>>
>> **********************************************************************
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>> majordomo@southwestern.edu containing a single line with the words:
>> unsubscribe netreg
>> Send requests for assistance to: owner-netreg@southwestern.edu
>> **********************************************************************
>
>
>
> **********************************************************************
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> **********************************************************************
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