DHCP
The DHCP module is set out in a single screen, unless IPv6 support has been enabled. If this is
the case, the DHCP module will consist of two separate tabs and its settings will be located in the
DHCPv4 tab.
General
Enable service: enables the DHCP service in one of 2 specific modes: server or relay.
DHCP server Sends various network parameters to DHCP clients.
DHCP Relay The DHCP relay mode is to be used when client requests are to be redirected to an
external DHCP server.
“DHCP server” service
The “DHCP server” service presents 4 configuration zones:
l Default settings This menu is reserved for the configuration of DNS parameters (domain
name, primary and secondary DNS servers) and the default gateway sent to DHCP clients.
l Address range For each range, specify a group of addresses to be allocated to users. The
address will be allocated for the duration determined in the advanced configuration.
l Reservation The address allocated by the service stays the same for hosts listed in the
column Reservation.
l Advanced properties This menu allows enabling or disabling the automatic sending of the
proxy configuration files for client hosts (WPAD: Web Proxy Autodiscovery Protocol). Additional
servers can also be defined (WINS, SMTP, POP3, etc.) and the duration of the assignment of IP
addresses distributed by the DHCP service can be customized.
Default settings
If the DHCP server option has been selected, global parameters can be configured here, such as
the domain name, DNS servers, etc. that client hosts will use.
Domain name Domain name used by DHCP client hosts for DNS resolution.
Gateway The default gateway is the host that indicates the routes to use if the client does not
know the destination address.
Primary DNS Select the primary DNS server that will be sent to DHCP clients. This is a host object. If
no objects are specified, the firewall’s primary DNS server will be sent to them.
Secondary DNS Select the secondary DNS server that will be sent to DHCP clients. This is a host object.
If no objects are specified, the firewall’s secondary DNS server will be sent to them.
Address range
In order for a DHCP server to provide IP addresses, an address pool from which the server can
pick addresses has to be configured.
Action buttons
To add or delete address ranges, click on Add or Delete.
Page 92/448 sns-en-user_configuration_manual-v3 - Copyright © Stormshield 2016
SNS - USER CONFIGURATION MANUAL V.3
DHCP
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