90 likes | 98 Views
IP Addressing. IP Addressing Topics. IP addresses IP address classes Private IP addresses IP address subnetting DHCP. IP Address. 32 bits. Network. Host. 172. 16. 122. 204. Example Decimal. 10101100. 00010000. 01111010. 11001100. Example Binary. Network. Host. Host. Host.
E N D
IP Addressing Topics • IP addresses • IP address classes • Private IP addresses • IP address subnetting • DHCP
IP Address 32 bits Network Host 172 16 122 204 ExampleDecimal 10101100 00010000 01111010 11001100 ExampleBinary
Network Host Host Host Network Network Host Host Network Network Network Host IP Address Classes 8 bits 8 bits 8 bits 8 bits • Class A: • Class B: • Class C: • Class D: Multicast • Class E: Research
IP Address Classes First Bit(s) First Byte Decimal Class A: 0 1-126 10 Class B: 128-191 110 Class C: 192-223 1110 Class D: 224-239
IP Address Classes Exercise Address Class Network Host 10.2.1.1 128.63.2.100 201.222.5.64 192.6.141.2 130.113.64.16 256.241.201.10
IP Address Classes Exercise Answers Address Class Network Host 10.2.1.1 A 10.0.0.0 0.2.1.1 128.63.2.100 B 128.63.0.0 0.0.2.100 201.222.5.64 C 201.222.5.0 0.0.0.64 192.6.141.2 C 192.6.141.0 0.0.0.2 130.113.64.16 B 130.113.0.0 0.0.64.16 256.241.201.10 Nonexistent
Private IP Addresses • 10.0.0.0 – 10.255.255.255 • 172.16.0.0 – 172.31.255.255 • 192.168.0.0 – 192.168.255.255 • Not routable on Internet
Subnetting IP Addresses • Classful addresses don’t lend to efficient address allocation • Some of the unassigned bits can be used to provide multiple network addresses • example - • 192.168.1.0/24 - One network with 254 hosts • 192.168.1.0 with a 27 bit mask provides 8 network addresses with 30 hosts each