[ale] Config linux to use fixed IP with NT network

[Jeff Hubbs]

Ian -

Let me see if I can get you started.

First and foremost, you need to make sure that the DHCP daemon running under
NT is leaving a "hole" for the fixed IP address you want to use for the
Linux system.  Alternatively, you can set up the DHCP daemon to work only
within a certain contiguous range within the available address space,
leaving an adjacent range from which you can manually assign addresses for
fixed-IP machines.

With a fixed-IP Linux machine, you need to make sure that you are setting
the correct gateway IP address and subnet mask.  Just last week, I
discovered a situation in which the mask and gateway settings remained at
their defaults (255.255.0.0 and null, respectively) after install time, for
reasons I still don't understand.  Best to always do an ifconfig to verify.

Also, nothing will work really right until all the machines can resolve each
other's names.  In a mixed NT/Linux environment, this means that you need to
play with DNS, WINS, or some combination of both.  If you're using DHCP,
host tables would be ineffective.  

Chapter 7 of the O'Reilly USING SAMBA book discusses all this in some
detail.  I think that book is online in its entirety either at O'Reilly's
site or at www.samba.org.

- Jeff

> -----Original Message-----
> From: Ian Monk [mailto:ian.monk at texunatech.com]
> Sent: Tuesday, October 31, 2000 4:38 AM
> To: 'ale at ale.org'
> Subject: [ale] Config linux to use fixed IP with NT network
> 
> 
> Hi List,
> I am trying to config my linux machine to have a fixed IP 
> address on my
> internal network.  We use an NT server to allocate IP 
> addresses using DHCP
> and this currently works with the linux machine.  DHCP is fine for the
> NT/windows machines, but I need our Linux machine to have a 
> fix IP.  All
> attempts to do this have failed.  I have been able to get a 
> fixed IP but
> then the linux machine does not connect to the network.
> Any help you can give would be much appreciated.
> 
> You can email me direct at ian.monk at texunatech.com
> 
> Ian Monk
> Texuna Technologies
> www.TexunaTech.com
> 
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