Kerio-tech Firewall6 Manual do Utilizador descarregar pdf (Página 114)

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Chapter 8 Conﬁguration of network services

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Figure 8.11 DHCP server — reserving an IP address

Any IP address included in a deﬁned subnet can be reserved. This address can but does not

have to belong to the scope of addresses dynamically leased, and it can also belong to any

scope used for exceptions.

IP addresses can be reserved for:

• hardware (MAC) address of the host — it is deﬁned by hexadecimal numbers separated

by colons, i.e.

00:bc:a5:f2:1e:50

or by dashes— for example:

00-bc-a5-f2-1e-50

The MAC address of a network adapter can be detected with operating system tools

(i.e. with the ipconfig command) or with a special application provided by the net-

work adapter manufacturer.

• host name — DHCP requests of most DHCP clients include host names (i.e. all Windows

operating systems), or the client can be set to send a host name (i.e. Linux operating

system).

Click Advanced to set DHCP parameters which will accompany the address when leased. If the

IP address is already included to a scope, DHCP parameters belonging to the scope are used

automatically. In the Lease Reservation dialog window, additional parameters can be speciﬁed

or/and new values can be entered for parameters yet existing.

Note: Another way to reserve an IP address is to go to the Leases tab, ﬁnd the IP address leased

dynamically to the host and reserve it (for details, see below).

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