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NITC IPv6 Block

NITC IPv6 Block. NITC has reserved the block 2a02:9c0::/32 In numbers: 2^96 IP 79228162514264337593543950336 With respect to IPv4: NITC has 18446744073709551616 multiple of IPv4 space. Subnetting. NITC can create 2^32 network Every network can use 2^64 host. Seven Options.

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NITC IPv6 Block

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  1. NITC IPv6 Block • NITC has reserved the block 2a02:9c0::/32 • In numbers: 2^96 IP 79228162514264337593543950336 • With respect to IPv4: NITC has 18446744073709551616 multiple of IPv4 space

  2. Subnetting • NITC can create 2^32 network • Every network can use 2^64 host.

  3. Seven Options

  4. Utilization

  5. How to generate subnets?! • We will use /54 prefix (22-bits NITC, 10-bits customer networks) • First subnet : 2a02:9c0::/54 • Secondsubnet : 2a02:9c0:0:400::/54 2a02:9c0:0:x x x x x x - x x x x x x x x x x:0:0:0:0 2a02:9c0:0:0 0 0 0 0 0 - 0 0 0 0 0 0 0 0 0 0:0:0:0:0 2a02:9c0:0:0 0 0 0 0 1 - 0 0 0 0 0 0 0 0 0 0:0:0:0:0 2a02:9c0:0:0 0 0 0 1 0 - 0 0 0 0 0 0 0 0 0 0:0:0:0:0 2a02:9c0:0:0 0 0 0 1 1 - 0 0 0 0 0 0 0 0 0 0:0:0:0:0

  6. What about customers’ subnets?! • Example: 2a02:9c0:0:400:0:0:0:0 • Assumption: customer will use /64 prefix (all his 10 bits) - First subnet: 2a02:9c0:0:401::/64 No Broadcast, Hosts from: 2a02:9c0:0:401:0:0:0:0 To 2a02:9c0:0:401:ffff:ffff:ffff:ffff No. of hosts: 18446744073709551616

  7. Other subnets…! • 2a02:9c0:0:402::/54 • 2a02:9c0:0:403 ::/54 • 2a02:9c0:0:404 ::/54 • 2a02:9c0:0:405 ::/54 • 2a02:9c0:0:406 ::/54 • 2a02:9c0:0:407 ::/54 • 2a02:9c0:0:408 ::/54 • 2a02:9c0:0:409 ::/54 • 2a02:9c0:0:40a ::/54 • . • . • . • .

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