undeclared subnet for eth0

dopazo jonathan neustadtwireless at hotmail.com
Tue Mar 21 11:27:49 UTC 2006

This is my dhcpd.conf file:

ddns-update-style none;

failover peer "dhcp-failover" {
  primary; # declare this to be the primary server
  port 520;
  peer address;
  peer port 520;
  max-response-delay 30;
  max-unacked-updates 10;
  load balance max seconds 3;
  mclt 1800;
  split 128;

subnet netmask {
  option subnet-mask;
  option broadcast-address;
  option routers;
  pool {
    failover peer "dhcp-failover";
    max-lease-time 1800; # 30 minutes

and ifconfig says.

eth0	Protokoll:Ethernet  Hardware Adresse 00:E0:98:9E:AC:FA
	inet Adresse:  Bcast:  Maske:
	RX packets:0 errors:0 dropped:0 overruns:0 frame:0
	TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
	Kollisionen:0 Sendewarteschlangenlänge:100
	RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
	Interrupt:11 Basisadresse:0xc000

Let´s see ...

>From: Simon Hobson <dhcp at thehobsons.co.uk>
>Reply-To: dhcp-users at isc.org
>To: dhcp-users at isc.org, dhcp-server at isc.org
>Subject: Re: undeclared subnet for eth0
>Date: Tue, 21 Mar 2006 10:47:10 +0000
>dopazo jonathan wrote:
> >ifconfig says that I have and ip (private) in one server and another one 
> >the same range (192.168.1.x). Is possible that not having a gateway crash
> >when it tries to connect to  as gateway?
> >
> >I have two servers in a switch and I am trying to get ip by any of dhcpd
> >servers connecting my laptop to the switch as well.
>I'm not clear what you have connected to where, can you do a diagram please 
> >When I start the hdcpd it says the same:
> >
> >undeclared subnet for eth0 to start (
>I'll repeat the question I asked before :
> >  >From: Simon Hobson <dhcp at thehobsons.co.uk>
> >>Reply-To: dhcp-server at isc.org
> >>To: dhcp-server at isc.org
> >>Subject: Re: 300 Users in two DHCP servers
> >  >Date: Mon, 6 Mar 2006 18:59:56 +0000
> >  >What does 'ifconfig' give ?
>Ie, type ifconfig at the command line and copy the results. Also
>please post your dhcpd.conf file.

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