120 Labs for Cisco CCNA 200-125 and CCENT Exams

Appendix B: Cabling and Configuring a Frame Relay Switch for Three Routers

Frame relay switch configuration:

hostname FR-SWITCH 
! 
frame-relay switching 
interface serial0 
description “Connected to R1 Serial1/0” 
encapsulation frame-relay 
frame-relay intf-type dce 
frame-relay route 103 interface serial1 301 
frame-relay route 102 interface serial2 201 
clock rate 800000 
no shutdown
! 
interface serial1 
description “Connected to R3 Serial1/0” 
encapsulation frame-relay 
frame-relay intf-type dce 
frame-relay route 301 interface serial0 103 
clock rate 800000 
no shutdown 
! 
serial2 
description “Connected to R2 Serial0/0” 
encapsulation frame-relay 
frame-relay intf-type dce 
frame-relay route 201 interface serial0 102 
clock rate 115200 
no shutdown 
! 
end

NOTE: This frame relay switch configuration is based on the configuration of a Cisco 2521 IOS router with four Serial interfaces. The router is running a basic Enterprise IOS image.

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