IPV6

128 bit hexadecimal address.

Includes 8 group

Each group of 16 bit

Doesnot have the concept of broadcast

Does not have the concept of NAT

Does not have the concept of Subnetting

Ex: fe80:167b:6400:0000:0000:0000:1bac:6701

Communication Types

Unicast

One to One transmission

Types:-

1. Global Unicast- Public range

2. Unique local- Private range

3. Link local- APIPA

Multicast

One to Many transmission

Anycast

One to nearest transmission

Special IPs

Loop back address- ::01 or ::1

Invalid IP- 0000:0000:0000:0000:0000:0000:0000:0000 or ::

Multi cast- ff80::

Linklocal- fe80::

Global unicast- 2000::

Unique local- fc00::

WAN Wide area Networking

Types:- Dedicated lines-

High cost for implementation

High security

High speed of 45 mbps

Circuit switching Pay according to usage

Ex: dial up, ISDN

Speed of 128 kbps

Packet Switching A virtual communication line or path is established at the time of

communication only.

Also known as Frame relay.

Speed 64kbps- 45mbps

WAN Protocols

HDLC High level data link control

Used only for lease line

HDLC is enabled by default.

It has no user name and password

PPP Used for ISDN only

It has Authentication Code

Router(config)#int serial 1/0

Router(config-if)#encapsulation ppp

Frame Relay Configuration

In Router A

Router(conf)#int f0/0

Router(conf-if)#ip address 172.16.0.1

Router(conf)#no shut

Router(conf)#int ser1/0

Router(conf)#encapsulation frame-relay

Router(conf)#frame-relay interface-dlci 100

Router(conf)# frame-relay lmi-type cisco

Router(conf-if)#ip address 40.0.0.1

Router(conf-if)#no shut

In Router B

Router(conf)#int f0/0

Router(conf-if)#ip address 172.17.0.1

Router(conf)#no shut

Router(conf)#int ser1/0

Router(conf)#encapsulation frame-relay

Router(conf)#frame-relay interface-dlci 200

Router(conf)# frame-relay lmi-type cisco

Router(conf-if)#ip address 40.0.0.2

Router(conf-if)#no shut