DHCP Server Lease Time

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Nutter_9591

Thread Starter
Joined
Apr 10, 2004
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5
im using a d-link di-604 router to share a broadband connection(cable)between two pc's. under the dhcp tab, dhcp server is enabled, there is starting and ending ip address and lease time which is set to one week. what does this lease time thing mean? sorry newbie question.
 

jjb

Joined
Dec 8, 2001
Messages
674
Basically the way most (if not all) cable providers operate is on the "lease" system which when your internet signal reaches your cable provider it is routed and turned over to a third party isp which then assigns ip addresses. I believe this is the difference between what is referred to as a "static" internet connection where your ip address is always the same. Depending on the terms the cable provider has with the third party provider depends on the length of lease time you are seeing and will vary. I thought mine normally showed a 12-24 hour period between when obtained and when lease expires but I just looked and currently shows a 4 hour difference. As dai stated they automatically refresh themselves at which time I believe in most cases a new ip address is also assigned. I am not positive on this but I believe a new lease is also obtained whenever you reboot/connect to the internet.
I have heard of some people experiancing disconnects when the lease refreshes where they have to reboot to regain their internet connection......................in fact I have had this happen myself :(
Hope that helps.
jjb
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,425
The DHCP lease time should be transparent to you in a properly working system. Basically, the lease is for the current IP address from the ISP, and it automatically gets renewed by a request from the client (your router) when the lease is halfway expired. Don't give it another thought. :)
 
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