Technical Note: How to decrease/increase DHCP lease time for IP addresses

[aorozco]

Description

This configuration procedure shows how to decrease or increase the lease time for DHCP granted IP addresses.

Solution
ASTERIX # config system dhcp server

ASTERIX (server) # show
config system dhcp server
edit 1
set auto-configuration disable
set default-gateway 172.16.20.99
set domain "ARMORIQUE"
set interface "internal"
config ip-range
edit 1
set end-ip 172.16.20.15
set start-ip 172.16.20.11
next
end
set lease-time 86400
set netmask 255.255.0.0
set dns-server1 172.16.20.99
next
end

ASTERIX (server) # edit 1
ASTERIX (1) # set lease-time
<integer> 300 ~ 8640000 seconds (5 minutes ~ 100 days)
0 for unlimited lease time