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Genel BakışWindows Server 2008 R2 ile gelen yeniliklerDHCP Çalışma MantığıDHCP Uygulamalarını PlanlamakDHCP Sunucularını KurmakUygulamaSorular
Genel Bakış
DHCP’yi neden kullanıyoruz?
IP adreslerini otomatik dağıtmakKonfigürasyonumuzdan emin olmakOtomatik güncelleştirmelerÇıkabilecek network sorunlarını indirgemekDaha az enerji ve daha az efor !
Windows Server 2008 R2 ile Gelen Yenilikler
DHCPv4DHCPv6
Stateful & Stateless modeli
MAC FilterService HardeningSplit ScopeActivity LoggingDHCPv6’da Option15 ve Option32
Çalışma Mantığı
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
Çalışma Mantığı
DHCP client broadcasts a DHCPDISCOVER packet1
DHCP servers broadcast a DHCPOFFER packet2
DHCP client broadcasts a DHCPREQUEST packet3
DHCP Server1 broadcasts a DHCPACK packet4
DHCP Client
DHCP Server1
DHCP Server2
How DHCP Lease Renewal Works
DHCP Client sends a DHCPREQUEST packetDHCP Client sends a DHCPREQUEST packet11
DHCP Server1 sends a DHCPACK packetDHCP Server1 sends a DHCPACK packet22
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 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 ClientDHCP ClientDHCP Server1DHCP Server1
DHCP Server2DHCP Server2
50% of lease duration has expired
50% of lease duration has expired
87.5% of lease duration has expired
87.5% of lease duration has expired
100% of lease duration has expired
DHCP Planlarını Uygulamak
50/50 Üstlenme
DHCP Clients
DHCP Clients
DHCP Server1192.168.10.1
DHCP Server2192.168.10.2
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
DHCP Planlarını Uygulamak
80/20 Üstlenme
DHCP Clients
DHCP Clients
DHCP Server1192.168.10.1
DHCP Server2192.168.10.2
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
DHCP Planlarını Uygulamak
100/100 Üstlenme
DHCP Clients
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
Sorular
?
Kaynaklar
• 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)
