[c-nsp] Permament IP addresses from DHCP

[Jared Mauch]

	Or in more tangible config language:

! static IP laptop
ip dhcp pool node2.wireless
   host 10.0.254.194 255.255.255.128
   client-identifier 0100.0d93.8303.06
!
ip dhcp pool my_home
   network 10.0.254.128 255.255.255.128
   dns-server 10.0.254.5 10.0.44.2 
   default-router 10.0.254.193 
   domain-name nether.net
   lease 0 0 15
!

	This way the laptop always gets the same IP address.  You
can either use the client-identifier, or hardware-address
under the static ip address config, eg:
!
   hardware-address 000e.3834.c1a3




On Tue, Aug 22, 2006 at 08:00:15AM -0400, Richard Danielli wrote:
> Have a look at RFC 2131,  sections 3.1 and 3.2. The answers to your 
> questions are there...
> 
> Cheers,
> -rd-
> 
> Bartosz Piec wrote:
> > Hello,
> > 
> > I'm using Cisco 2821 router as a DHCP server.
> > 
> > Let's assume that I have a notebook. The situation looks like that:
> > - one day the notebook gets IP address 10.0.0.2
> > - every other day it gets still the same address, but...
> > - I go to the other place, connect my laptop there, get some IP address 
> > from the local DHCP address (different than 10.0.0.2)
> > - I come back to my original place and my address changes to 10.0.0.3
> > 
> > Is it possible for router to remember (for some time) that my laptop, 
> > with its MAC address, has always 10.0.0.2? I don't want to set static IP 
> > address and I don't want to create a DHCP pool for every host in my 
> > network but I want have permanent addresses in my hosts.
> > 
> 
> -- 
> Richard Danielli
> President, eSubnet
> 
> (416) 203-5253
> www.eSubnet.com
> 
> 
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Jared Mauch  | pgp key available via finger from jared at puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.