Fortinet FortiGate 50A User Manual download pdf (Page 106)

106 Fortinet Inc.

Configuring DHCP services Network configuration

3 Select an interface.

You must configure the interface as a DHCP server before it can be selected.

4 Select New to add an address scope.

5 Configure the address scope.

6 Select Advanced if you want to configure Advanced Options.

7 Select OK.

Adding a reserve IP to a DHCP server

If you have configured an interface as a DHCP server, you can reserve an IP address

for a particular device on the network according to the MAC address of the device.

When you add the MAC address of a device and an IP address to the reserve IP list,

the DHCP server always assigns this IP address to the device.

To add a reserve IP you must first select the interface and scope to which you want to

add the reserve IP.

To add a reserve IP to a DHCP server

1 Go to System > Network > DHCP.

2 Select Reserve IP.

3 Select an interface.

You must configure the interface as a DHCP server before you can select it.

4 Select a scope.

You must configure an address scope for the interface before you can select it.

5 Select New to add a reserved IP.

6 Configure the reserved IP.

Scope Name Enter the address scope name.

IP Pool Enter the starting IP and ending IP for the range of IP addresses that this

DHCP server assigns to DHCP clients.

Netmask Enter the netmask that the DHCP server assigns to the DHCP clients.

Lease Duration Enter the interval, in days, hours and minutes, after which a DHCP client

must ask the DHCP server for a new address.

If you select Unlimited, DHCP leases never expire.

Domain Optionally enter in the domain that the DHCP server assigns to the DHCP

clients.

Default Route Enter the default route to be assigned to DHCP clients. The default route

must be on the same subnet as the IP pool.

DNS IP Enter the addresses of up to 3 DNS servers that the DHCP server assigns

to the DHCP clients.

WINS Server IP Add the IP addresses of one or two WINS servers to be assigned to DHCP

clients.

Exclusion Range Optionally enter up to 4 exclusion ranges of IP addresses within the IP pool

that cannot be assigned to DHCP clients.

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Fortinet FortiGate 50A User Manual Page 106