Frame Relay

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WAN
         1.    Wan Network connect two or more. LAN network 
         2.    To create WAN network There are three type of line/cables.
a.    DSL
b.    Leased line/serial line/dedicated line
c.     Frame Relay---à under 100KM
DSL (Digital Subscriber line): -
     1.    DSL line is used to transmit digit data our telephone line.
     2.    DSL provide by telecom company
     3.    DSL line generally use to connect public network
Leased Line: -
    1.    It is also called serial line or dedicated line
    2.    It is use for to connected private network
    3.    It is 20/7 heavy data transfer media
    4.    These lines provide by telecom company (ISP)
    5.    In these lines there are two protocols are used to help in traffic.
a.    PPP (point to point protocol)
b.    HDLC (High level Data link control protocol)
c.     PAP (Password Authentication Protocol) for protect data


Frame Relay
1.    It is called Packet Switching Technology
2.    Frame Relay work on packet Switching Technology
3.    Frame Relay is less expensive than leased line
4.    It is providing point to point connection
5.    It connects max 4 network
6.    It is shown as a cloud
7.    To configure frame relay use DLCI no. (Data line connection identifier)
8.    DLCI no. is main part of frame relay
9.    DLCI no. given by service provider



Now configure Frame Relay
first Daigram



Basic configuration
     Router 2811 and switch 2950-T

 Go to first router 

Router>en
Router#conf t
Router(config)#int s0/0/0
Router(config-if)#encapsulation frame-relay 
Router(config-if)#frame-relay interface-dlci 100
Router(config-if)#frame-relay lmi-type cisco
Router(config-if)#ip address 192.168.30.1 255.255.255.0

Router(config-if)#no shut
Router(config-if)#ex

Router(config)#int f0/0
Router(config-if)#ip address 192.168.10.1 255.255.255.0
Router(config-if)#no shut

Now go to second router

Router>en
Router#conf t
Router(config)#int s0/0/0
Router(config-if)#encapsulation frame-relay
Router(config-if)#frame-relay interface-dlci 110
Router(config-if)#frame-relay lmi-type cisco
Router(config-if)#ip address 192.168.30.2 255.255.255.0

Router(config-if)#no shut
Router(config-if)#ex

Router(config)#int f0/0
Router(config-if)#ip address 192.168.20.1 255.255.255.0
Router(config-if)#no shut

Now configure Frame relay

Open cloud and go to serial 0 and follow figure
now go to serial 1

Now to frame relay and Pair port's

Now routing

Go to first router
Router(config)#router rip
Router(config-router)#network 192.168.10.0
Router(config-router)#network 192.168.30.0
Router(config-router)#exit

Go to second router
Router(config)#router rip
Router(config-router)#network 192.168.20.0
Router(config-router)#network 192.168.30.0
Router(config-router)#exit

Now testing 

send packet from one network to another router

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