[c-nsp] Permament IP addresses from DHCP

[Richard Danielli]

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