Frame Relay - Point to Point

Frame Relay - Point to Point

In this post I will configure my lab to use frame relay in a point to point configuration. Below is a diagram of the lab I will be using.






R0

R0#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
R0(config)#interface serial 0/0
R0(config-if)#encapsulation frame-relay
R0(config-if)#exit

R0(config)#interface serial 0/0.100 point-to-point
R0(config-subif)#ip address 192.168.1.1 255.255.255.0
R0(config-subif)#frame-relay interface-dlci 100
R0(config-fr-dlci)#exit
R0(config-subif)#exit

R0(config)#interface serial 0/0.101 point-to-point
R0(config-subif)#ip address 192.168.2.1 255.255.255.0
R0(config-subif)#frame-relay interface-dlci 101
R0(config-fr-dlci)#exit
R0(config-subif)#exit

R0(config)#interface serial 0/0
R0(config-if)#no shut



R1

R1(config)#interface serial 0/0
R1(config-if)#encapsulation frame-relay
R1(config-if)#exit

R1(config)#interface serial 0/0.200 point-to-point
R1(config-subif)#ip address 192.168.1.2 255.255.255.0
R1(config-subif)#frame-relay interface-dlci 200
R1(config-fr-dlci)#exit
R1(config-subif)#exit

R1(config)#interface serial 0/0
R1(config-if)#no shutdown



R2

R2(config)#interface serial 0/0
R2(config-if)#encapsulation frame-relay
R2(config-if)#exit

R2(config)# interface serial 0/0.300 point-to-point
R2(config-subif)#ip address 192.168.2.2 255.255.255.0
R2(config-subif)#frame-relay interface-dlci 300
R2(config-fr-dlci)#exit
R2(config-subif)#exit

R2(config)#interface serial 0/0
R2(config-if)#no shutdown



Show Commands


R2#show frame-relay pvc
PVC Statistics for interface Serial0/0 (Frame Relay DTE)

Active Inactive Deleted Static
Local 1 0 0 0
Switched 0 0 0 0
Unused 0 0 0 0

DLCI = 300, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/0.300

input pkts 349 output pkts 358 in bytes 31010
out bytes 30951 dropped pkts 0 in pkts dropped 0
out pkts dropped 0 out bytes dropped 0
in FECN pkts 0 in BECN pkts 0 out FECN pkts 0
out BECN pkts 0 in DE pkts 0 out DE pkts 0
out bcast pkts 344 out bcast bytes 29735
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
pvc create time 00:32:46, last time pvc status changed 00:31:55




R2#show frame-relay lmi
LMI Statistics for interface Serial0/0 (Frame Relay DTE) LMI TYPE = ANSI
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 25 Num Status msgs Rcvd 26
Num Update Status Rcvd 0 Num Status Timeouts 0
Last Full Status Req 00:00:56 Last Full Status Rcvd 00:00:56



R2# sh frame-relay map
Serial0/0.300 (up): point-to-point dlci, dlci 300(0x12C,0x48C0), broadcast
status defined, active



After configuring frame relay I am able to ping routers on the same network but not the other networks, so currently R2 cannot talk to R1.


R2#ping 192.168.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)


I have no route to the 192.168.1.0 network in my routing table.


R2#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.2.0/24 is directly connected, Serial0/0.300


To fix this problem I enable EIGRP on all my routers using the config below.


R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#router eigrp 10
R2(config-router)#network 192.168.0.0 0.0.255.255
R2(config-router)#end


Now I try again.


R2#ping 192.168.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/7/12 ms


And my routing table shows the routes created by EIGRP.


R2#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
D 192.168.1.0/24 [90/2681856] via 192.168.2.1, 00:01:20, Serial0/0.300
C 192.168.2.0/24 is directly connected, Serial0/0.300