Unable to change IP address for eth0 without restart in Ubuntu

Posted by Rodnower on Super User See other posts from Super User or by Rodnower
Published on 2012-10-03T15:04:58Z Indexed on 2012/10/04 9:41 UTC
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Filed under:

ubuntu

|

networking

|

init

I have Ubuntu 12.04.1 installed.
I tried to change the IP address of the interface eth0 in /etc/network/interfaces from 192.168.1.3 to 192.168.1.4

auto lo
iface lo inet loopback
pre-up iptables-restore < /etc/iptables.up.rules

auto eth0
iface eth0 inet static
address 192.168.1.4
gateway 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255

sudo service networking status

When I issue:

sudo service networking restart

I get this response:

stop: Unknown instance: 
networking stop/waiting

And IP remains 192.168.1.3:

eth0      Link encap:Ethernet  HWaddr 00:1e:33:71:cd:a4  
          inet addr:192.168.1.3  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::21e:33ff:fe71:cda4/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3861 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3291 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:3423285 (3.4 MB)  TX bytes:521854 (521.8 KB)
          Interrupt:45 Base address:0x4000

Only after restart does the IP change. Any ideas?

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