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 From:  "Frans J King" <kingf1 at cs dot man dot ac dot uk>
 To:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] dnsmasq fails to load on boot
 Date:  Wed, 30 Jul 2003 19:29:46 +0100
Hi,

I've changed the LAN address to 10.0.0.1/24 and the OPT1 to 10.0.1.1/24
but dnsmasq still fails to load saying "address already in use". Perhaps
I ought to modify the boot scripts to attempt to load it twice.

-----Original Message-----
From: Frans J King [mailto:kingf1 at cs dot man dot ac dot uk] 
Sent: 30 July 2003 10:39
To: m0n0wall at lists dot m0n0 dot ch
Subject: RE: [m0n0wall] dnsmasq fails to load on boot

Joachim,

>Another cause could be that the modem offers a DHCP lease for the first
x >seconds in the 192.168 range, and then offers a new lease with the
public >address (after it authenticated/initialized the connection with
the ISP)... >This would explain why it works afterwards.

This is how my modem works although I'm not sure about its DHCP range -
I'm pretty sure it just offers addresses in the 192.168.0.0/24 range.
But I'll try setting m0n0wall's LAN interface to 10.0.0.0/24 range this
evening and see what that does.

Thanks,

Frans


-----Original Message-----
From: Christiaens Joachim [mailto:jchristi at oce dot be] 
Sent: 30 July 2003 10:17
To: 'Frans J King '; 'm0n0wall at lists dot m0n0 dot ch '
Subject: RE: [m0n0wall] dnsmasq fails to load on boot

 Hi Frans,

do you know if the address provided by the cable-modem is a public one?
Some
providers serve with private addresses, which could be a 192.168.-like
address with a /16 subnetmask...

Another cause could be that the modem offers a DHCP lease for the first
x
seconds in the 192.168 range, and then offers a new lease with the
public
address (after it authenticated/initialized the connection with the
ISP)...
This would explain why it works afterwards.

I would try and change the (LAN) address of the m0n0wall to one in the
10.x.x.x range, just to see if it does the same...

Kind Regards,
Joachim

-----Original Message-----
From: Frans J King
To: m0n0wall at lists dot m0n0 dot ch
Sent: 30/07/03 10:04
Subject: [m0n0wall] dnsmasq fails to load on boot

Hi,
 
I've just noticed after rebooting my m0n0wall system that dnsmasq fails
to load on reboot. The error given in the system logs is "dnsmasq bind
failed: address already in use". I assume that this is referring to an
IP address conflict rather than a NIC conflict.
 
The settings on the firewall are:
 
LAN IP = 192.168.173.1
LAN NET = 192.168.173.0/24
 
WAN = DHCP
 
OPT1 = 192.168.1.1
OPT1 NET = 192.168.1.0/24
 
DHCP range is 192.168.173.20 - 192.168.173.254. 
 
 
I can't see any problems with this setup like overlapping IP ranges and
even if m0n0wall is the only system running on the network, dnsmasq
still fails to load.
Interestingly if I log in to m0n0wall and click the "save" button on the
DNS forwarder page, dnsmasq reloads itself without any problems. Does
anyone know what could be causing this.
 
Cheers
 
Frans
 
P.S. One other thing to note is that I'm using an Ethernet ADSL modem.
The modem IP is 192.168.0.1 but it serves the IP address it receives
from my ISP back to the WAN interface on m0n0wall.


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