Lesson 5

Dates: 6/12/2017
Linux networking
Linux System Administration


IPv6 concepts



  • Motivation: No more IPv4 addresses available as of February 2011.

  • IPv4 Address Space 2^32 ~ 4.3 billion -- not enough to accomodate all routable networks in the world since beginning of 2011.
  • IPv6 Address Space 2^128. Any square meter on earth can be assigned a routable IP address in IPv6 space.

  • Types of IPv6 Addresses:
      Unicast addresses: destination at a single interface Multicast addresses: destination at multiple interfaces with different IP addresses Anycast addresses: destination at multiple interfaces with the same IP address (used on routers).
  • IPv6 Address Notation:
    2001:cdba:0000:0000:0000:0000:3257:9652
    2001:cdba:0:0:0:0:3257:9652
    2001:cdba::3257:9652
    
  • Network Notation in IPv6:
    2001:cdba:9abc:5678::/64
    



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