Kerio Tech Firewall6 - Manual (Page 111)

8.2 DHCP server
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Figure 8.7 DHCP server — IP scopes definition
First address, Last address
First and last address of the new scope.
Note: If possible, we recommend you to define the scope larger than it would be defined
for the real number of users within the subnet.
Subnet mask
Mask of the appropriate subnet. It is assigned to clients together with the IP address.
Note: The Administration Console application monitors whether first and last address
belong to the subnet defined by the mask. If this requirement is not met, an error will be
reported after the confirmation with the OK button.
Lease time
Time for which an IP address is assigned to clients. This IP address will be automatically
considered free by expiration of this time (it can be assigned to another client) unless the
client requests lease time extension or the address release.
Exclusions
WinRoute enables the administrator to define only one scope in within each subnet. To
create more individual scopes, follow these instructions:
• create address scope covering all desired scopes
• define so called exclusions that will not be assigned