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Basic Frame Relay

Point-to-Point Configuration



AS you know Frame-Relay is a well-known WAN technology that generally used for backbone routers. To understand the basic configuration of Frame-Relay, there is a configuration below with three Cisco 3600 Series Router and one Frame-Relay Switch.

First of all, we will start with Frame-Relay Switch. On GNS3 create a Frame-Relay Switch and right click the Frame-Relay Switch. Configure the DLCI – port mapping like below:

1:101 10:202

1:102 11:203

After mapping, connect the routers to the Frame-Relay Switch port mentioned in the mapping via serial connection. ( R1 to port 1, R2 to port 10, R3 to port 11)



It is time to configure our routers. Starting with the R1 make the below configuration. Here, the Hub Router is R1.

R1 Configuration

R1(config)# no logging console
R1 (config)# int s 0/0
R1 (config-if)# no shut
R1 (config-if)# encapsulation frame-relay
R1 (config-if)# interface s0/0.1 point-to-point
R1 (config-subif)# ip address 192.168.100.1 255.255.255.252
R1 (config-subif)# frame-relay interface-dlci 101
R1 (config-fr-dlci)# exit
R1 (config-subif)# interface s0/0.2 point-to-point
R1 (config-subif)# ip address 192.168.100.5 255.255.255.252
R1 (config-subif)# frame-relay interface-dlci 102
R1 (config-fr-dlci)# exit
R1 (config-subif)# write

Now, configure the R2 for Frame-Relay. Here you can get help from “show frame-relay pvc” command.

R2 Configuration

R2 (config)# no logging console
R2 (config)# int s 0/0
R2 (config-if)# no shut
R2 (config-if)# encapsulation frame-relay
R2 (config-if)# interface serial 0/0.1 point-to-point
R2 (config-subif)# ip address 192.168.100.2 255.255.255.252

R2 (config-subif)# do show frame-relay pvc
DLCI = 202, DLCI USAGE = UNUSED, PVC STATUS = INACTIVE, INTERFACE = Serial0/0

R2 (config-subif)# frame-relay interface-dlci 202
R2 (config-subif)# do show frame-relay pvc
DLCI = 202, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/0.1

“do show frame-relay pvc” : Shows which DLCI you will configure to that way, It is very useful for real configurations.

R2 # ping 192.168.100.1
R2 # write

Lastly, configure the R3 like below.

R3 Configuration

R3 (config)# no logging console
R3 (config)# int s 0/0
R3 (config-if)# no shut
R3 (config-if)# encapsulation frame-relay
R3 (config-if)# interface serial 0/0.1 point-to-point
R3 (config-subif)# ip address 192.168.100.6 255.255.255.252
R3 (config-subif)# do show frame-relay pvc
R3 (config-subif)# frame-relay interface-dlci 203

R3 # ping 192.168.100.5
R3 # show cdp neighbor
R3 # write

After all the configurations done, you can check the connection between routers with the below ping commands. And you also check the frame-relay pvc on R1.

R1 # show frame-relay pvc
R1 # ping 192.168.100.2
R1 # ping 192.168.100.6




Download GNS3 Basic Frame Relay Point-to-Point Configuration Lab.

You can reach the other Frame-Relay articles below:

Basic Frame-Relay Configuration with both Inverse-ARP and Frame-Relay Map Command
Basic Point-to-Point Frame-Relay Configuration
Basic Multipoint Frame-Relay Configuration

Youn can join OUR Facebook Group with the below links!!!




About the Author
Gokhan Kosem is a telecommunation and network engineer. His ambition to IP networks and end-to-end system installation made him to prepare this web-site. By sharing his experiences about various networking protocols beside different system installation experiences and Cisco, Juniper, Alcatel-Lucent devices configurations, he is aimed to be helpful for his collegues in all over the world. He is currently lives in Istanbul, Turkey.

7 comments for “Basic Frame Relay Point-to-Point Configuration”

1
mayukh

Thanks Kosem,

It really help me to create my Lab

wishes
mayukh

June 12th, 2012 at 13:58
2
gokhankosem

You are welcome mayukh ;) I hope this website will help you more in the future…

June 15th, 2012 at 04:58
3
ajay

suppose we want to connect r2 to r3 then what we should do sir.

May 25th, 2013 at 14:39
4

Asking questions are genuinely nice thing if you are not understanding something completely,
except this article gives nice understanding even.

June 1st, 2013 at 06:58
5
Ahsan Butt

Could you please post the
“Point to Point” configuration of FRAME_RELAY SWTICh
and “Point to Multipoint”

Thanks.

February 20th, 2015 at 10:42
6

To begin with I want to say fantastic blog!
I had a fast question by which I’d prefer to ask should you don’t mind.
I used to be interested to learn the method that you
center yourself and clear your thinking before writing.

I’ve had difficulty clearing my thoughts in getting
my ideas around. I actually do enjoy writing nevertheless
it just looks like the first ten to fifteen minutes are often wasted just
trying to figure out how to begin. Any recommendations or hints?
Many thanks!

July 14th, 2016 at 01:55
7
Ali

Thanks kosem , very helpful

December 17th, 2016 at 12:13

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