DHCP question
Christopher K. Johnson
ckjohnson at gwi.net
Fri Oct 15 22:51:28 UTC 2004
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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"Spend less! Do more! Go Open Source..." -- Dirigo.net
Chris Johnson, RHCE #807000448202021
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