Addressing_IPv4 - IPv4 IPv4address 32 bit address Generally...

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Addressing the Network:  IPv4 
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IPv4 address 32 bit address Four 8-bit groupings AKA ‘octets’ Generally written in ‘dotted decimal’ notation 192.168.21.17 First octet identifies Class of address Class A: 1 – 126 Class B: 128 – 191 Class C: 192 - 223 2 parts to every IPv4 address Network part Host part
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IPv4 Classful addressing 10. 17. 53. 60 network part host part A 172. 16. 38. 201 network part host part B 192. 168. 21. 17 network part host part C N N N N N N H H H H H H
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IPv4 address Public Addresses Class A, B & C addresses that can access the Internet Private Addresses Class A, B & C addresses that cannot access the Internet o 10.0.0.0 /8 o 172.16.0.0 /12 ~ 172.31.0.0 /12 o 192.168.0.0 /16 Reserved Addresses Class addresses that cannot access the Internet o 127.0.0.1 Loop back testing of primary interface card o Class D: 224 – 239 Multicast addresses used for network device communications o Class E: 240 – 255 Research & Development
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IPv4 Classful address subnetting
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  • Fall '12
  • Black
  • IP address, subnet mask

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