R1-----R5-----R3,R5 is frame-relay switch ,. R1 can not communite with R3, what is the wrong ,please ?
R5
interface Serial1/0 ###### to R1
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay lmi-type cisco
frame-relay intf-type dce
frame-relay route 231 interface Serial1/1 233
!
interface Serial1/1 #### to R3
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay lmi-type cisco
frame-relay intf-type dce
frame-relay route 233 interface Serial1/0 231
R1
interface Serial1/0
ip address 1.1.1.1 255.255.255.0
encapsulation frame-relay
serial restart-delay 0
R3
interface Serial1/1
ip address 1.1.1.2 255.255.255.0
encapsulation frame-relay
serial restart-delay 0
