5. DHCP Client1: IP configuration from DHCP server DHCP Server DHCP Database IP Address1: Leased to DHCP Client1 IP Address2: Leased to DHCP Client2 IP Address3: Available to be leased DHCP Client2: IP configuration from DHCP server Non-DHCP Client: Static IP configuration Lease Renewal Lease Generation

6. DHCP client broadcasts a DHCPDISCOVER packet 1 DHCP servers broadcast a DHCPOFFER packet 2 DHCP client broadcasts a DHCPREQUEST packet 3 DHCP Server1 broadcasts a DHCPACK packet 4 DHCP Client DHCP Server1 DHCP Server2

7. DHCP Client sends a DHCPREQUEST packet 1 1 DHCP Server1 sends a DHCPACK packet 2 2 If the client fails to renew its lease, after 50% of the lease duration has expired, then the DHCP lease renewal process will begin again after 87.5% of the lease duration has expired If the client fails to renew it’s lease, after 87.5% of the lease has expired, then the DHCP lease generation process starts over again with a DHCP client broadcasting a DHCPDISCOVER DHCP Client DHCP Server1 DHCP Server2 50% of lease duration has expired 87.5% of lease duration has expired 100% of lease duration has expired

8. DHCP Clients DHCP Server1 192.168.10.1 DHCP Server2 192.168.10.2 DHCP Server1 has %50 of addresses as follows: •Scope range: 192.168.10.3-192.168.10.254 •Excluded addresses: 192.168.10.125-192.168.10.254 DHCP Server2 has %50 of addresses as follows: •Scope range: 192.168.10.3-192.168.10.254 •Excluded addresses: 192.168.10.3-192.168.10.124

9. DHCP Clients DHCP Server1 192.168.10.1 DHCP Server2 192.168.10.2 DHCP Server1 has %80 of addresses as follows: •Scope range: 192.168.10.3-192.168.10.254 •Excluded addresses: 192.168.10.203-192.168.10.254 DHCP Server2 has %20 of addresses as follows: •Scope range: 192.168.10.3-192.168.10.254 •Excluded addresses: 192.168.10.3-192.168.10.202

10. DHCP Clients DHCP Server1 DHCP Server2 DHCP Server1 has %100 of addresses as follows: •Scope range: 10.0.1.1-10.0.10.254 •Excluded addresses: 10.0.6.1-10.0.10.254 DHCP Server2 has %100 of addresses as follows: •Scope range: 10.0.1.1-10.0.10.254 •Excluded addresses: 10.0.1.1-10.0.5.254

12. • William R. Stanek Windows Server 2008 Arkadaş Yayınevi • Oğuz Çetinim, Windows Server 2008 R2 ‘de yenilikler •Windows Server 2008 üzerinde DHCP Servisinin Yapılandırılması • Bilişim Eğitim Merkezi ( http://www.bilisimegitim.com) http://www.bilisimegitim.com