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Can anybody help me how to create point to point connection using frame relay?

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Question added by MOHD YASIR , Solution Architect Support , Tech Mahindra ltd
Date Posted: 2014/01/25
RASHID MP
by RASHID MP , IT INFRASTRUCTURE & SECURITY SPECIALIST , WEST BAY MEDICARE

My Objectives :-

·         On R1, create the sub-interface Serial0/0.122 and assign it the interface DLCI of122 and the IP Address of172.18.12.1/30 then create interface Serial0/0.123 and assign it the IP Address172.18.13.1/30

·         On R2, create the sub-interface Serial0/0.221 and assign it the interface DLCI of221 and the IP Address of172.18.12.2/30

·         On R3, create the sub-interface Serial0/0.321 and assign it the interface DLCI of321 and the IP Address of172.18.13.2/30

·         Verify connectivity using the show frame-relay pvc and ping commands on R1.

 

 

On R1, create the sub-interface Serial0/0.122 and assign it the interface DLCI of122 and the IP Address of172.18.12.1/30 then create interface Serial0/0.123 and assign it the ip address172.18.13.1/30

R1>enable

R1#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

R1(config)#interface Serial0/0.122 point-to-point

R1(config-subif)#ip address172.18.12.1255.255.255.252

R1(config-subif)#frame-relay interface-dlci122

R1(config-fr-dlci)#exit

R1(config-subif)#interface Serial0/0.123 point-to-point

R1(config-subif)#ip address172.18.13.1255.255.255.252

R1(config-subif)#frame-relay interface-dlci123

R1(config-subif)#end

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On R2, create the sub-interface Serial0/0.221 and assign it the interface DLCI of221 and the IP Address of172.18.12.2/30

R2>enable

R2#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

R2(config)#interface Serial0/0.221 point-to-point

R2(config-subif)#ip add172.18.12.2255.255.255.252

R2(config-subif)#frame-relay interface-dlci221

R2(config-fr-dlci)#end

--------------------------------------------------------------------------------------------------------------------------------

On R3, create the sub-interface Serial0/0.321 and assign it the interface DLCI of321 and the IP Address of172.18.13.2/30

R3>enable

R3#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

R3(config)#interface Serial0/0.321 point-to-point

R3(config-subif)#ip add172.18.13.2255.255.255.252

R3(config-subif)#frame-relay interface-dlci321

R3(config-fr-dlci)#end

 

Verify connectivity using the show frame-relay pvc and ping commands on R1.

 

R1#show frame-relay pvc   PVC Statistics for interface Serial0/0 (Frame Relay DTE)                 Active     Inactive      Deleted       Static   Local         2           0           0           0   Switched      0           0           0           0   Unused        2           0           0           0   DLCI =122, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/0.122     input pkts20            output pkts19           in bytes5395        out bytes5187           dropped pkts0           in pkts dropped0           out pkts dropped0                out bytes dropped0            in FECN pkts0           in BECN pkts0           out FECN pkts0           out BECN pkts0          in DE pkts0             out DE pkts0           out bcast pkts14        out bcast bytes4667        5 minute input rate0 bits/sec,0 packets/sec  5 minute output rate0 bits/sec,0 packets/sec   pvc create time00:14:33, last time pvc status changed00:14:33           DLCI =123, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/0.123     input pkts22            output pkts20           in bytes6045        out bytes4380           dropped pkts0           in pkts dropped0           out pkts dropped0                out bytes dropped0           in FECN pkts0           in BECN pkts0           out FECN pkts0           out BECN pkts0          in DE pkts0             out DE pkts0           out bcast pkts10        out bcast bytes3340        5 minute input rate0 bits/sec,0 packets/sec  5 minute output rate0 bits/sec,0 packets/sec   pvc create time00:17:27, last time pvc status changed00:17:27

 

 

Tariq Ali
by Tariq Ali , Deputy Manager IT , Kohat Cement Company Limited

For understanding this please read following article

http://www.freeccnaworkbook.com/workbooks/ccna/configuring-point-to-point-frame-relay-sub-interfaces

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