Configuring a Frame Relay Lab

Introduction:Frame Relay is a layer two protocol that connects networks over long distances. These are provided typically by an ISP, however if you are studying for your CCNA exam a foundation knowledge of how these work is required. This guide walks through

how to configure frame relay on Cisco Routers. I'll be using Packet Tracer during this lab

STEP 1:• This part is different from the real world because in the real world you'd just be given a

DLCI number and be on your marry way. We are fortunate enough today to be able to configure the cloud as well. To do so follow the below steps.

• A.) Drag a WAN Emulation onto the topology B.) Click on the Cloud icon & select the Config tab

• The next few steps show in detail how to configure the connections and DLCI numbers.

STEP 2:Configure Serial 0 within the Cloudnessi. A.) Select the Serial 0 on the Config tab of the Cloud to get started.

B.) Next Create the DLCI for the R0 to R1 connection C.) Type 102 for the DLC and R0-R1 for the Name and click Add

ii. Since R0 is the Hub router we need to create another DLCI for R2iii. A.) Select the Serial 0 on the Config tab of the Cloud to get started.

B.) Next Create the DLCI for the R0 to R2 connection C.) Type 103 for the DLC and R0-R2 for the Name and click Add

STEP 3: Configure Serial 1 in the Cloud

i. A.) Select the Serial 1 on the Config tab of the Cloud to get started. ii. B.) Next Create the DLCI for the R1 to R0 connection iii. C.) Type 201 for the DLC and R1-R0 for the Name and click Add

STEP 4: Configure Serial 2 in the CLOUD

i. A.) Select the Serial 2 on the Config tab of the Cloud to get started. ii. B.) Next Create the DLCI for the R2 to R0 connection iii. C.) Type 301 for the DLC and R2-R0 for the Name and click Add

STEP 5: Make the Connections

i. Now we'll make all the DLCI connections in the cloud so it knows where to route traffic to based on the DLCI IDs.

A.) Select the Frame Relay in the left panel B.) For the first connection set the following Serial0 R0-R1 Serial1 R1-R0 and

click Add C.) Next set R2s connection Serial0 R0-R2 Serial2 R2-R0 and click Add

STEP 6: Add the Routers

• Click on the router icon in the bottom left and drag 3 routers of your choice.

STEP 6:

• Click on each of the routers and check their interfaces, we'll need serial interfaces for this lab. If they don't have one power off the device and drag some T1-Wics onto the open ports.

R0 Config for being the HUB

Continue with configuration dialog? [yes/no]: no

Router>enable Router#configure terminal Router(config)#hostname R0 R0(config)#interface Serial 2/0 R0(config-if)#no shutdown R0(config-if)#encapsulation frame-relay R0(config-if)#exit R0(config)#interface Serial 2/0.102 point-to-point R0(config-subif)#ip address 1.1.1.1 255.255.255.252 R0(config-subif)#frame-relay interface-dlci 102 R0(config-subif)#exit R0(config)#interface Serial 2/0.103 point-to-point R0(config-subif)#ip address 1.1.1.5 255.255.255.252 R0(config-subif)#frame-relay interface-dlci 103

R1 Config for being a Spoke

Continue with configuration dialog? [yes/no]: no

Router>enable Router#configure terminal Router(config)#hostname R1 R1(config)#interface Serial 2/0 R1(config-if)#no shutdown R1(config-if)#encapsulation frame-relay R1(config-if)#exit R1(config)#interface Serial 2/0.201 point-to-point R1(config-subif)#ip address 1.1.1.2 255.255.255.252 R1(config-subif)#frame-relay interface R1(config-subif)#frame-relay interface-dlci 201

R2 Config for being a Spoke

Continue with configuration dialog? [yes/no]: no

Router>enable Router#configure terminal Router(config)#hostname R2 R2(config)#interface Serial 2/0 R2(config-if)#no shutdown R2(config-if)#encapsulation frame-relay R2(config-if)#exit R2(config)#interface Serial 2/0.301 point-to-point R2(config-subif)#ip address 1.1.1.6 255.255.255.252 R2(config-subif)#frame-relay interface-dlci 301

Add Static Routes Router1R1(config)#ip route 1.1.1.4 255.255.255.252 1.1.1.1Router2R2(config)#ip route 1.1.1.0 255.255.255.252 1.1.1.5

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