R1#sh run int f0/0 Building configuration... Current configuration : 95 bytes ! interface FastEthernet0/0 ip address 172.16.2.1 255.255.255.0 duplex auto speed auto end R1#sh run int f0/1 Building configuration... Current configuration : 95 bytes ! interface FastEthernet0/1 ip address 172.16.1.1 255.255.255.0 duplex auto speed auto end
R2#sh run int f0/0 Building configuration... Current configuration : 95 bytes ! interface FastEthernet0/0 ip address 172.16.2.2 255.255.255.0 duplex auto speed auto end R2#sh run int f0/1 Building configuration... Current configuration : 95 bytes ! interface FastEthernet0/1 ip address 172.16.3.2 255.255.255.0 duplex auto speed auto end
Now, we check routing table.
R1#sh ip ro Codes: L - local, 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, H - NHRP, l - LISP + - replicated route, % - next hop override Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 4 subnets, 2 masks C 172.16.1.0/24 is directly connected, FastEthernet0/1 L 172.16.1.1/32 is directly connected, FastEthernet0/1 C 172.16.2.0/24 is directly connected, FastEthernet0/0 L 172.16.2.1/32 is directly connected, FastEthernet0/0
R2#sh ip ro Codes: L - local, 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, H - NHRP, l - LISP + - replicated route, % - next hop override Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 4 subnets, 2 masks C 172.16.2.0/24 is directly connected, FastEthernet0/0 L 172.16.2.2/32 is directly connected, FastEthernet0/0 C 172.16.3.0/24 is directly connected, FastEthernet0/1 L 172.16.3.2/32 is directly connected, FastEthernet0/1
R1(config)#router rip R1(config-router)#netw R1(config-router)#network 172.16.1.0 ? <cr> R1(config-router)#ver R1(config-router)#version 2 R1(config-router)#neto R1(config-router)#netwo R1(config-router)#network ? A.B.C.D Network number R1(config-router)#network 172.16.0.0 R1(config-router)#^Z R1#sh ip ro *Feb 25 10:45:12.583: %SYS-5-CONFIG_I: Configured from console by console R1#sh ip ro Codes: L - local, 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, H - NHRP, l - LISP + - replicated route, % - next hop override Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 5 subnets, 2 masks C 172.16.1.0/24 is directly connected, FastEthernet0/1 L 172.16.1.1/32 is directly connected, FastEthernet0/1 C 172.16.2.0/24 is directly connected, FastEthernet0/0 L 172.16.2.1/32 is directly connected, FastEthernet0/0 R 172.16.3.0/24 [120/1] via 172.16.2.2, 00:00:03, FastEthernet0/0 R1#ping 172.16.3.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.3.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
R2(config)#router rip R2(config-router)#netw R2(config-router)#network 172.16.1.0 ? <cr> R2(config-router)#ver R2(config-router)#version 2 R2(config-router)#neto R2(config-router)#netwo R2(config-router)#network ? A.B.C.D Network number R2(config-router)#network 172.16.0.0 R2(config-router)#^Z R2#sh ip r *Feb 25 11:55:14.627: %SYS-5-CONFIG_I: Configured from console by console R2#sh ip ro Codes: L - local, 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, H - NHRP, l - LISP + - replicated route, % - next hop override Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 5 subnets, 2 masks R 172.16.1.0/24 [120/1] via 172.16.2.1, 00:00:02, FastEthernet0/0 C 172.16.2.0/24 is directly connected, FastEthernet0/0 L 172.16.2.2/32 is directly connected, FastEthernet0/0 C 172.16.3.0/24 is directly connected, FastEthernet0/1 L 172.16.3.2/32 is directly connected, FastEthernet0/1 R2#ping 172.16.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R2#ping 172.16.2.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.2.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R2#ping 172.16.2.1 *Feb 25 12:20:18.123: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down