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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 9.0 for EX Series switches.

Statement introduced in Junos OS Release 9.2 for SRX Series devices.

Statement introduced in Junos OS Release 14.1X53-D20 for the OCX Series.


Request a specific lease time for the IP address. The lease time is the length of time in seconds that a client holds the lease for an IP address assigned by a DHCP server.


If no lease time is requested by client, then the server sends the lease time. The default lease time on a Junos OS DHCP server is one day.


seconds Request a lease time of a specific duration.

Range: 60 through 2147483647 seconds

infiniteRequest that the lease never expire.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Related Documentation