IP address to interfaces.

[Rajeev Bansal]

Hi All,

I am using the Busybox (v1.7.1) in my root file system, I need to 
configure some default IP addresses to all my connected Ethernet  
interfaces when my system comes up. To achieve  this I have done the 
following:

I have created a file "/etc/network/interfaces"

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 172.17.4.105
netmask 255.255.0.0
gateway 172.17.1.10

When I run ifup -a, it shows me
ifup: interface lo already configured
ifup: interface eth0 already configured

But there is no IP address is assigned to the interfaces, do I need to 
do something else also? When I assign the IP address manually to my 
interfaces it works fine.

One more doubt, when I run, ifconfig eth0 up, I get the following outcome.

# ifconfig eth0 up
[  120.552835] e1000: eth0: e1000_request_irq: Unable to allocate MSI 
interrupt
Error: -22

But it seems to be a harmless error to me as I can assign the IP to my 
interface and it works, so any input why this warning message is coming 
will also be very helpful to me.

Regards
Rajeev Bansal.



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