Hossein S Zadeh <[EMAIL PROTECTED]> writes:

> DHCP server does not technically need to keep a database (on RedHat,
> /etc/dhcpd.leases by default) on hard disk. In fact under Linux it does
> not consult the database on the harddisk when handing out leases. DHCP
> server keeps an internal database of leases in memory.

> The sole reason of keeping a file on the hard disk is that the server can
> start working where the previous DHCP server left off.

This is wrong.  The DHCP RFCs specify that dynamic lease information
must be written to permanent storage before the lease can be confirmed
by the server.  This provides a mechanism for recovering lease
information in case there is a server software or hardware failure,
for example.

--[Lance]




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