8.5.3.1 lease-time
Description
With this command, you specify how long the assigned IPv4 address remains valid. When half 
the period of validity has elapsed. the DHCP client can extend the period of the assigned IPv4 
address. When the entire time has elapsed, the DHCP client needs to request a new IPv4 
address.
Requirement
You are in the DHCPPOOL configuration mode.
The command prompt is as follows:
cli(config-dhcp-pool-<ID>)#
Syntax
Call up the command with the following parameters:
lease-time <seconds (60-31536000)>
The parameter has the following meaning:
Parameter Description Range of values / note
seconds Time until renewal of the assigned 
IPv4 address in seconds
60 ... 31536000
Result 
The time is configured. 
Further notes
You display the setting with the  show ip dhcp-server pools command. 
Network protocols
8.5 DHCP server
SCALANCE W770/W730 acc. to IEEE 802.11n Command Line Interface
Configuration Manual, 09/2017, C79000-G8976-C324-08 395