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Networking Fundamentals · Foundational

DHCP Lease

The period during which a client may use an address assigned by DHCP.

Definition

Clients try to renew with the original server at T1 (50 percent of the lease) and with any server at T2 (87.5 percent). Short leases suit guest networks with many transient devices; longer leases suit stable office networks.

Example

ipconfig /renew requests a renewal of the current lease.

Exam tip

Renewal at 50 percent (T1), rebinding at 87.5 percent (T2).

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