IP Addressing & Protocols
IPv4, IPv6, subnetting and the protocols that power the internet
In the beginning...
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Lessons
Four numbers, 32 bits
Practice: Read an octet
Network part and host part
Practice: Same network or not?
Subnet masks
Masks that split an octet
Practice: Masks and prefixes
Practice: Find the network address
Broadcast address and host range
Practice: Network, host or broadcast?
Practice: Count the hosts
Ports
Practice: Match the port
TCP and UDP
Practice: TCP or UDP?
Private addresses and NAT
Practice: Spot the private addresses
Practice: Route the reply
DHCP: getting an address
Practice: Fill in the DHCP messages
DNS: names to addresses
Practice: Order the lookup
IPv6
Practice: Shorten an IPv6 address
Course Complete
Up nextRecommended first Launch Lesson
What is an IP address?
Master IP addresses, subnet masks, CIDR notation, and key protocols like TCP, UDP, DNS, and DHCP. Practice subnetting calculations and protocol analysis.