Solved: dhcp lease

sarahr202 · ‎01-30-2009

Hi every body!

Let say host gets an ip address from dhcp server with lease=20 days.

Let say the host is unplugged , will dhcp server reserve the ip address for 20 days?

thanks a lot!

Roberto Salazar · ‎01-30-2009

A DHCP-enabled client obtains a lease for an IP address from a DHCP server. Before the lease expires, the DHCP server must renew the lease for the client or the client must obtain a new lease. Leases are retained in the DHCP server database approximately one day after expiration. This grace period protects a client's lease in case the client and server are in different time zones, their internal clocks are not synchronized, or the client is off the network when the lease expires.

That sounds like a YES + 1 hour to me.

http://www.microsoft.com/technet/prodtechnol/windows2000serv/reskit/cnet/cncb_dhc_fioy.mspx?mfr=true

View solution in original post

Roberto Salazar · ‎01-30-2009

Yeah, I could not edit it after I post. It is + 1 day per that doc.

View solution in original post

Roberto Salazar · ‎01-30-2009

A DHCP-enabled client obtains a lease for an IP address from a DHCP server. Before the lease expires, the DHCP server must renew the lease for the client or the client must obtain a new lease. Leases are retained in the DHCP server database approximately one day after expiration. This grace period protects a client's lease in case the client and server are in different time zones, their internal clocks are not synchronized, or the client is off the network when the lease expires.

That sounds like a YES + 1 hour to me.

http://www.microsoft.com/technet/prodtechnol/windows2000serv/reskit/cnet/cncb_dhc_fioy.mspx?mfr=true

sarahr202 · ‎01-30-2009

"That sounds like a YES + 1 hour to me"?

it should be lease duration+ one day? is it?

Roberto Salazar · ‎01-30-2009

Yeah, I could not edit it after I post. It is + 1 day per that doc.