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Old 05-02-2013, 01:41 PM   #1
odin_ago
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Unwanted DHCP configuration in Debian squeeze


I am using debian squeeze, and I want to have a static ip configuration on the computer in question. Here is my /etc/network/interfaces :
Code:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.2.10
netmask 255.255.255.0
network 192.168.2.0
broadcast 192.168.2.255
gateway 192.168.2.1
dns-nameservers 192.168.1.1
I have a DHCP server in this network, but I don't want to use it for this computer. However, sometimes I see that the ip address was altered to something offered by the DHCP server. How can I keep my ip address really static?
 
Old 05-02-2013, 05:45 PM   #2
Kustom42
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Add the following directive to your interfaces:

Set managed=false in /etc/NetworkManager/NetworkManager.conf.

Restart NetworkManager:

/etc/init.d/network-manager restart


More than likely network manager is trying to think for you.

That "auto eth0" tells NM to automatically configure the interface, even tho its the proper syntax for a static Ip to open wit the auto followed by the static iface line.
 
Old 05-02-2013, 07:26 PM   #3
odin_ago
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I have never installed NetworkManager on this computer (at least explicitly), and I don't have files /etc/NetworkManager/NetworkManager.conf and /etc/init.d/network-manager .
 
Old 05-02-2013, 07:43 PM   #4
Kustom42
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Well that would be too easy...

There would have to be some other piece of software interfering or some other system config that is playing a part here. From the info you given us your IP should only be assigned to that static IP.

Have you noticed if the tx/rx packets reset when the IP changes for the interface?
 
Old 05-02-2013, 07:51 PM   #5
odin_ago
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No, RX and TX are not dropped both when I figure out that my ip address was changed by dhcp and when I return it back using
Code:
/etc/init.d/networking stop
/etc/init.d/networking start
 
  


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