frame-relay switching
!
interface Serial0
 no ip address
 encapsulation frame-relay
 no fair-queue
 clockrate 64000
 frame-relay intf-type dce
 frame-relay route 162 interface Serial3 126
 frame-relay route 165 interface Serial1 156
 no shutdown
!
interface Serial1
 no ip address
 encapsulation frame-relay
 clockrate 125000
 frame-relay intf-type dce
 frame-relay route 152 interface Serial3 125
 frame-relay route 156 interface Serial0 165
 no shutdown
!
interface Serial2
 no ip address
 shutdown
!
interface Serial3
 no ip address
 encapsulation frame-relay
 clockrate 64000
 frame-relay intf-type dce
 frame-relay route 125 interface Serial1 152
 frame-relay route 126 interface Serial0 162
 no shutdown
!