IPv6

IPv6

1. 128 bits

   • 8 groups of 4

2. Naming

   • Drop leading 00
   • only 1 :: to represent string of 0
   • ::1 loopback

3. Link Local address

   • like APIPA
     • FE80::
     • EUI-64
       • last 64 bits worked out from MAC
   • unicast

4. max /64 subnets

5. no broadcast, multicast

   • FF02::1 All nodes address
   • FF02::2 All routers address

6. anycast

   • group of PCs same IP
   • sends packet to closest

7. global unicast address for internet

8. top tier - no default routers

   • aggregation - routers below use subset

9. DNS

   • stateful
   • stateless
     • normal