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NITC IPv6 Block - PowerPoint PPT Presentation


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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
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
Subnetting
  • NITC can create 2^32 network
  • Every network can use 2^64 host.
how to generate subnets
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

what about customers subnets
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

other subnets
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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