Lease States
The tables below list the IPv4 or IPV6 lease states.
IPv4 Lease States
A IPv4 lease can be in one of the states described in the table below.
State |
Description |
---|---|
Available |
IP address available to be leased. |
Unavailable |
Not leasable. See Handling Leases Marked as Unavailable for ways the DHCP server might set a lease to unavailable. |
Leased |
Held by a client. |
Offered |
Offered to the client. |
Expired |
Available when the lease grace period expires. |
Deactivated |
Not renewable or leasable after the lease expires. See Deactivating Leases. |
Pending available |
Failover-related. A lease in the pending-available state is available as soon as the server synchronizes its state with the failover partner. |
IPv6 Lease States
A lease can be in one of the states described in the table below.
State |
Description |
---|---|
Available |
IP address available to be leased. |
Offered |
Offered to the client. |
Leased |
Held by a client. |
Expired |
Available when the lease grace period expires. |
Unavailable |
Not leasable. It was made unavailable because of some conflict. |
Released |
The client has released the lease, but the server is configured to apply a grace period to the lease. The lease will not be made available until the grace period expires. |
Other available |
Failover-related. Available for allocation by the failover partner but not available for allocation by this server. |
Pending available |
Failover-related. A lease in the pending-available state is available as soon as the server synchronizes its state with the failover partner. Used for only prefix delegation leases. |
Pending delete |
Failover-related. A lease in the pending-delete state is disassociated from its client as soon as the server synchronizes its state with the failover partner. |