Lab 4. Frame Relay Multipoint Subinterface – Static Mapping

Here the topology and configuration for frame relay multipoint using subinterface - static mapping.

R1(config)#do sh run | sec Serial0/0
interface Serial0/0
no ip address
encapsulation frame-relay
clock rate 2000000
interface Serial0/0.1 multipoint
ip address 12.12.12.1 255.255.255.0
snmp trap link-status
frame-relay map ip 12.12.12.2 102 broadcast

R2#sh run | sec Serial0/0
interface Serial0/0
no ip address
encapsulation frame-relay
clock rate 2000000
interface Serial0/0.1 multipoint
ip address 12.12.12.2 255.255.255.0
snmp trap link-status
frame-relay map ip 12.12.12.1 201 broadcast

Let’s check the mapping and ping

R1(config)#do sh fram map
Serial0/0.1 (up): ip 12.12.12.2 dlci 102(0x66,0x1860), static,
broadcast,
CISCO, status defined, active

R2#sh fram map
Serial0/0.1 (up): ip 12.12.12.1 dlci 201(0xC9,0x3090), static,
broadcast,
CISCO, status defined, active

Make sure the is reachable

R2#ping 12.12.12.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 12.12.12.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/17/40 ms