DHCP question
Lonnie Cumberland
lonnie at neenet.com
Fri Oct 15 23:39:35 UTC 2004
Thanks Chris for giving me more information on this subject.
Actually the project idea that I am playing with could potentially
include a huge number of entries that is always changing with short
lease times as well.
thanks again,
Lonnie
Christopher K. Johnson wrote:
> Lonnie Cumberland wrote:
>
>> which can be placed in the config file for each client machine after
>> which the daemon can be started, right?
>
>
> Right.
>
>>
>> Well, I am wondering how can client configurations be added/removed
>> dynamically while the daemon is running and without causing a problem
>> when many clients are involved.
>
>
> First of all dhcp leases are not dependent upon maintaining a session
> with a dhcp server. The process of acquiring a lease, and later
> renewing it is a simple brief exchange between the client and server.
> And a client will attempt renewal several times before the lease
> expires, so a momentary failure should not cause the loss of a lease.
>
> Because of this restarting a dhcp server is unlikely to impact anyone
> unless it serves a large number of clients with very short lease times.
> By using the command:
> service dhcpd restart
> to restart the daemon it will include testing the configuration first,
> and not stopping and restarting unless the configuration is error
> free. This prevents a lengthier outage while you figure out your
> editing mistake.
>
> Chris
>
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