CCNA LAB:Frame Relay Multipoint Subinterfaces

RTA ROUTER
RTA(config)#interface serial 0/0
RTA(config-if)#no ip address
RTA(config-if)#no shutdown
RTA(config-if)#exit
RTA(config)#interface serial 0/0.1 multipoint
RTA(config-if)#ip address 10.10.10.1 255.255.255.0
RTA(config-if)#frame-relay map ip 10.10.10.2 56 broadcast
RTA(config-if)#frame-relay map ip 10.10.10.3 57 broadcast
RTA(config-if)#interface serial 0/0.2 point-to-point
RTA(config-if)#ip address 20.20.20.1 255.255.255.0
RTA(config-if)#frame-relay interface-dlci 58
RTA(config-if)#exit
RTA(config)#

RTB ROUTER
RTB(config-if)#interface serial 0/0
RTB(config-if)#encapsulation frame-relay
RTB(config-if)#ip address 10.10.10.2 255.255.255.0
RTB(config-if)#frame-relay map ip 10.10.10.1 65 broadcast
RTB(config-if)#frame-relay map ip 10.10.10.3 65 broadcast
RTB(config-if)#no shutdown

RTC ROUTER
RTC(config-if)#interface serial 0/0
RTC(config-if)#encapsulation frame-relay
RTC(config-if)#ip address 10.10.10.3 255.255.255.0
RTC(config-if)#frame-relay map ip 10.10.10.1 75 broadcast
RTC(config-if)#frame-relay map ip 10.10.10.2 75 broadcast
RTC(config-if)#no shutdown

RTD ROUTER
RTD(config)#interface serial 0/0
RTD(config-if)#encapsulation frame-relay
RTD(config-if)#ip address 20.20.20.2 255.255.255.0
RTD(config-if)#frame-relay interface-dlci 85
RTD(config-if)#no shutdown