57, IPv6 Introduction and basic configuration

1, IPv6 Introduction

The IPV6 address is 128 bits long and addresses a total of 2^128.

IPV6 address format: x:x:x:x:x:x:x:x, where x is 16 binary.

IPV6 Simplification:

2001:0DB8:010F:0001:0000:0000:0000:0D0C Remove leading 0

2001:db8:10f:1:0:0:0:d0c continuous multiple 0 can be used:: Replace

2001:db8:10f:1:: d0c

2001:0db8:0000:0000:ffff:0000:0000:0d0c

can be expressed as

2001:DB8::FFFF:0:0:0D0C or 2001:0db8:0:00:ffff::0d0c

But cannot be expressed as

2001:0db8::ffff::0d0c

Because this does not know before and after two:: how many 0

Example:

Ff02:0:0:0:0:0:0:1Ff02::1

ff15:0:0:0:0:0:1:c001ff15::1:c001

0:0:0:0:0:0:0:1:: 1

0:0:0:0:0:0:0:0::

IPV6 access to Web page format by address: http://[2001:df0:1003::f]:8080/index.html

IPV6 Address Categories

Unicast unicast (single-to-one)

Aggregate Global Unicast Addresses (public network)2000::/3

Link-local AddressesFE80::/10

Site-local Addresses (private network)FEC0::/10

Unspecified::/128

Loopback:: 1/128

IPV4 compatible directly converts the 10 binary into 16 binary

Multicast multicast (one-to-many) ff00::/8

Anycast anycast (pair of most recent)

EUI-64 (assuming MAC address is 00:90:27:17:fc:0f)

Step one: Divide the MAC address in half and insert Fffe in the middle

00:90:27:ff:fe:17:fc:0f

Part Two: Swap the seventh bit 0, 1 of the first byte

00000000:90:27:ff:fe:17:fc:0f

00000010:90:27:ff:fe:17:fc:0f

02::90:27:ff:fe:17:fc:0f

Solicited-node multicast addressff02::1:xx:xxxx back 24 bits for IPV6 unicast addresses after 24 bits

Each IPV6 unicast address corresponds to a solicited-node multicast address

The next hop for the route is Link-local Addresses.

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2. Experimental topology

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3. IPV6 Configuration link-local addresses address (FE80::/10)

R1 Configuration

Interface fastethernet0/0

IPv6 enable

R2 Configuration

Interface fastethernet0/0

IPv6 enable

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4. IPV6 configuration aggregate Global Unicast Addresses (2000::/3)

R1 Configuration

Interface fastethernet0/0

IPv6 address 2000::1/64

R2 Configuration

Interface fastethernet0/0

IPv6 address 2000::2/64

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This article is from the "Open Source Hall" blog, please be sure to keep this source http://kaiyuandiantang.blog.51cto.com/10699754/1726022

57, IPv6 Introduction and basic configuration