DHCP - A B E DHCP server arriving DHCP client needs address...

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DHCP: Dynamic Host Configuration Protocol Goal: allow host to dynamically obtain its IP address from network server when it joins network Can renew its lease on address in use Allows reuse of addresses (only hold address while connected and “on” Support for mobile users who want to join network DHCP overview: host broadcasts “ DHCP discover ” msg DHCP server responds with “ DHCP offer ” msg host requests IP address: “ DHCP request ” msg DHCP server sends address: “ DHCP ack ” msg
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DHCP client-server scenario 223.1.1.1 223.1.1.2 223.1.1.3 223.1.1.4 223.1.2.9 223.1.2.2 223.1.2.1 223.1.3.2 223.1.3.1 223.1.3.27
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Unformatted text preview: A B E DHCP server arriving DHCP client needs address in this network DHCP client-server scenario DHCP server: 223.1.2.5 arriving client time DHCP discover src : 0.0.0.0, 68 dest.: 255.255.255.255,67 yiaddr: 0.0.0.0 transaction ID: 654 DHCP offer src: 223.1.2.5, 67 dest: 255.255.255.255, 68 yiaddrr: 223.1.2.4 transaction ID: 654 Lifetime: 3600 secs DHCP request src: 0.0.0.0, 68 dest:: 255.255.255.255, 67 yiaddrr: 223.1.2.4 transaction ID: 655 Lifetime: 3600 secs DHCP ACK src: 223.1.2.5, 67 dest: 255.255.255.255, 68 yiaddrr: 223.1.2.4 transaction ID: 655 Lifetime: 3600 secs...
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DHCP - A B E DHCP server arriving DHCP client needs address...

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