Making connections Connecting a computer to a LAN donna Bair-Mundy.

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Presentation transcript:

Making connections Connecting a computer to a LAN donna Bair-Mundy

Network Interface Card

Network Interface Card - pc

Network Interface Card - laptop

Assigning IP address

Finding DNS server

DNS server

DHCP (Dynamic Host Configuration Protocol) Computer boots Sends “DHCP DISCOVER” packet to DHCP server DHCP server sends IP address

Fixed IP address

IP Address UH Network Subnet Machine

LIS Subnet ___ UH Network LIS subnet Device

LIS Subnet Router Office printer Server - Djoser Server - Nut LIS Chair Dr. Harada Dr. Jacsó … [Broadcast] Reserved for router Reserved Unassigned Alice

Fixed IP address

LIS Subnet IP address ___ UH Network LIS subnet Device

LIS Subnet IP address ___ Network part of address Device

Network part of LIS Subnet IP address ___ ___ What we see What the computer sees

Subnet mask s mask network part of address 0s reveal individual device no Record it as:

Subnet mask

Default gateway (Router that forwards traffic to remote subnets)

LIS Subnet Router Office printer Server - Djoser Server - Nut LIS Chair Dr. Harada Dr. Jacsó … [Broadcast] Reserved Alice

Ping (echo request) Are you there? I’m alive % ping alive

Broadcast ping (echo request) Are you there? I’m alive % ping alive alive alive Are you there?

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