configuring frame relay switch in gns3

FRM Router which is in middle working as a frame-relay switch

Frame-relay Switch Configuration Commands

FRS#configure terminal

FRS(config)#frame-relay switching

FRS(config)#interface serial 1/0

FRS(config-if)#encapsulation frame-relay

FRS(config-if)#frame-relay intf-type dce

FRS(config-if)#frame-relay route 204 interface serial 1/1 402

FRS(config-if)#frame-relay route 203 interface serial 1/2 302

FRS(config-if)#no shutdown

FRS(config-if)#exit

FRS(config)#interface serial 1/2

FRS(config-if)#encapsulation frame-relay

FRS(config-if)#frame-relay intf-type dce

FRS(config-if)#frame-relay route 302 interface serial 1/0 203

FRS(config-if)#frame-relay route 304 interface serial 1/1 403

FRS(config-if)#no shutdown

FRS(config-if)#exit

FRS(config)#interface serial 1/1

FRS(config-if)#encapsulation frame-relay

FRS(config-if)#frame-relay intf-type dce

FRS(config-if)#frame-relay route 402 interface serial 1/0 204

FRS(config-if)#frame-relay route 403 interface serial 1/2 304

FRS(config-if)#no shutdown

FRS(config-if)#exit

FRS(config)#

R2 Configuration Commands

R2#configure terminal

R2(config)#interface serial 1/0

R2(config-if)#encapsulation frame-relay

R2(config-if)#no shutdown

R2(config-if)#interface serial 1/0.1 point-to-point

R2(config-subif)#frame-relay interface-dlci 203

R2(config-fr-dlci)#ip address 192.168.2.1 255.255.255.252

R2(config-subif)#interface serial 1/0.2 point-to-point

R2(config-subif)#frame-relay interface-dlci 204

R2(config-fr-dlci)#ip address 192.168.1.1 255.255.255.252

R2(config-subif)#end

R2#

R3 Configuration Commands

R3#configure terminal

R3(config)#interface serial 1/0

R3(config-if)#encapsulation frame-relay

R3(config-if)#no shutdown

R3(config-if)#interface serial 1/0.1 point-to-point

R3(config-subif)#frame-relay interface-dlci 302

R3(config-fr-dlci)#ip address 192.168.2.2 255.255.255.252

R3(config-subif)#interface serial 1/0.2 point-to-point

R3(config-subif)#frame-relay interface-dlci 304

R3(config-fr-dlci)#ip address 192.168.3.1 255.255.255.252

R3(config-subif)#end

R3#

R4 Configuration Commands

R4#configure terminal

R4(config)#interface serial 1/0

R4(config-if)#encapsulation frame-relay

R4(config-if)#no shutdown

R4(config-if)#interface serial 1/0.1 point-to-point

R4(config-subif)#frame-relay interface-dlci 402

R4(config-fr-dlci)#ip address 192.168.1.2 255.255.255.252

R4(config-subif)#interface serial 1/0.2 point-to-point

R4(config-subif)#frame-relay interface-dlci 403

R4(config-fr-dlci)#ip address 192.168.3.2 255.255.255.252

R4(config-subif)#end

R4#

After configuring everything start checking whether you can ping both site from each router.
you should get the output like this..

R2#ping 192.168.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 96/136/164 ms
R2#ping 192.168.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 128/142/160 ms
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R3#ping 192.168.2.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 64/128/164 ms
R3#ping 192.168.3.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.3.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 132/175/208 ms
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R4#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 = 100/144/196 ms
R4#ping 192.168.3.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.3.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 128/148/188 ms
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