IP Version 6 Flashcards Preview

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Flashcards in IP Version 6 Deck (9)
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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