IP Version 6 Flashcards
1
Q
What is IPv6 (128-bit) needed for
A
Replacment for IPv4 (32-bit)
Allows for growth
Core Layer 3 protocol
2
Q
IPv4 address exhaustion problem
A
Running out of IPv4 addresses
3
Q
Short term solutions to IPv4 exhaustion
A
Network Address Translation / Port Translation (NAT/PAT)
Classless interdomain routing (CIDR)
4
Q
IPv6 RFC
A
RFC 2460
5
Q
IPv6 Address format
A
32 Hexadecimal digits
6
Q
IPv6 Header
A
a
7
Q
IPv6 Basic Routing
A
End-user devices need:
an IPv6 address on an interface
To know the IPv6 address of router
Rounters:
Deencapsulate and reencapsulate each IPv6 packet (strips header/tail and adds knew one)
Make routing decisions based on IPv6 tables
8
Q
IPv6 Subnets are called
A
Prefixes
9
Q
Dual Stack
A
Migration strategy of running both IPv4 and IPv6
