config t 1 frame-relay switching ! interface Serial0 no ip address no keepalive encapsulation frame-relay clockrate 64000 frame-relay intf-type dce ! In the config below, the 102 is the DLCI that will be ! PResented to the router connected to this - S0 - ! interface. 201 is the DLCI that is mapped to S1 frame-relay route 102 interface Serial1 201 frame-relay route 103 interface Serial2 301 interface Serial1 no ip address no keepalive encapsulation frame-relay clockrate 64000 frame-relay intf-type dce frame-relay route 201 interface Serial0 102 frame-relay route 203 interface Serial2 302
interface Serial2 no ip address no keepalive encapsulation frame-relay clockrate 64000 frame-relay intf-type dce frame-relay route 301 interface Serial0 103 frame-relay route 302 interface Serial1 203
-------------------------------------------------------------------------------- R1 S0, R2 S0 and R3 S0 will be on the same subnet. You can treat it as p2mp. I put all the DCE ends of the cables on the Frame Switch, so clock rate is defined there. However, this is not a requirement. The FR Switch router does not need to have the DCE end. Regardless of the gender of the cable, however, the "frame-relay intf-type dce" is required. I defined the DLCIs as Source Router + 0 + Destination Router. So if the circuit goes from R1 to R3 it's DLCI 103. From R3 to R1 it's DLCI 301.
