GNS3 Virtual Lab.
no auto-summary
passive-interface gig0/0
maximum-paths 2
default-information originate
conf t ! hostname R1 ! int gig0/0 ip addr 172.16.1.1 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.1.1 255.255.255.0 no shut exit ! end wr
conf t ! hostname R2 ! int gig0/0 ip addr 192.168.1.2 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.2.2 255.255.255.0 no shut exit ! end wr
conf t ! hostname R3 ! int gig0/0 ip addr 192.168.2.3 255.255.255.0 no shut exit int gig0/1 ip addr 172.16.2.3 255.255.255.0 no shut exit ! end wr
ip 172.16.1.254 255.255.255.0 172.16.1.1 save
ip 172.16.2.254 255.255.255.0 172.16.2.3 save
conf t ! router rip network 172.16.0.0 network 192.168.1.0 version 2 exit ! end
conf t ! router rip network 192.168.1.0 network 192.168.2.0 version 2 exit ! end
conf t ! router rip network 172.16.0.0 network 192.168.2.0 version 2 exit ! end
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 3 subnets, 3 masks R 172.16.0.0/16 [120/2] via 192.168.1.2, 00:01:51, GigabitEthernet0/1 C 172.16.1.0/24 is directly connected, GigabitEthernet0/0 L 172.16.1.1/32 is directly connected, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/1 L 192.168.1.1/32 is directly connected, GigabitEthernet0/1 R 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:07, GigabitEthernet0/1
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:13, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:20, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1
R3#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks C 172.16.2.0/24 is directly connected, GigabitEthernet0/1 L 172.16.2.3/32 is directly connected, GigabitEthernet0/1 R 192.168.1.0/24 [120/1] via 192.168.2.2, 00:00:18, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/0 L 192.168.2.3/32 is directly connected, GigabitEthernet0/0
PC-1> ping 172.16.2.254 *172.16.1.1 icmp_seq=1 ttl=255 time=3.007 ms (ICMP type:3, code:1, Destination host unreachable) *172.16.1.1 icmp_seq=2 ttl=255 time=2.431 ms (ICMP type:3, code:1, Destination host unreachable) *172.16.1.1 icmp_seq=3 ttl=255 time=2.510 ms (ICMP type:3, code:1, Destination host unreachable) *172.16.1.1 icmp_seq=4 ttl=255 time=2.138 ms (ICMP type:3, code:1, Destination host unreachable) *172.16.1.1 icmp_seq=5 ttl=255 time=2.223 ms (ICMP type:3, code:1, Destination host unreachable) PC-1> ping 192.168.2.3 192.168.2.3 icmp_seq=1 timeout 192.168.2.3 icmp_seq=2 timeout 192.168.2.3 icmp_seq=3 timeout 192.168.2.3 icmp_seq=4 timeout 192.168.2.3 icmp_seq=5 timeout
R1#ping 192.168.2.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.2.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 5/6/8 ms
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 = 3/4/9 ms 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 = 4/4/4 ms R2#ping 172.16.2.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/5/8 ms R2#ping 172.16.2.3 rep R2#ping 172.16.2.3 repeat 1000 Type escape sequence to abort. Sending 1000, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (1000/1000), round-trip min/avg/max = 2/3/23 ms R2#ping 172.16.1.1 repeat 1000 Type escape sequence to abort. Sending 1000, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (1000/1000), round-trip min/avg/max = 2/3/6 ms R2#cle R2#clear ar R2#clear arp R2#clear ar R2#clear arp R2#clear arp-cache R2#ping 172.16.1.1 repeat 1000 Type escape sequence to abort. Sending 1000, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (1000/1000), round-trip min/avg/max = 2/3/22 ms R2#ping 172.16.1.1 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (100/100), round-trip min/avg/max = 2/3/6 ms R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (100/100), round-trip min/avg/max = 3/3/6 ms R2#sh ip arp Protocol Address Age (min) Hardware Addr Type Interface Internet 192.168.1.1 0 5267.24af.d301 ARPA GigabitEthernet0/0 Internet 192.168.1.2 - 5267.245f.bf00 ARPA GigabitEthernet0/0 Internet 192.168.2.2 - 5267.245f.bf01 ARPA GigabitEthernet0/1 Internet 192.168.2.3 0 5267.24eb.ff00 ARPA GigabitEthernet0/1 R2#clear arp-cache R2#sh ip arp Protocol Address Age (min) Hardware Addr Type Interface Internet 192.168.1.1 0 5267.24af.d301 ARPA GigabitEthernet0/0 Internet 192.168.1.2 - 5267.245f.bf00 ARPA GigabitEthernet0/0 Internet 192.168.2.2 - 5267.245f.bf01 ARPA GigabitEthernet0/1 Internet 192.168.2.3 0 5267.24eb.ff00 ARPA GigabitEthernet0/1 R2#clear ip ? access-list Clear access list statistical information access-template Access-template accounting Clear IP accounting database admission Clear Network Admission Control information arp IP ARP table auth-proxy Clear the auth-proxy info bgp Clear BGP connections cache Delete cache table entries cef Cisco Express Forwarding info cgmp Cisco Group Management Protocol (CGMP) device Clear IP Device dhcp Delete items from the DHCP database dns-cache Clear addresses in DNS cache dns-snoop-cache Clear addresses in DNS cache drp Clear director responder counters eigrp Clear IPv4 EIGRP flow Clear flow information http Clear HTTP parameters icmp ICMP information igmp IGMP clear commands inspect Clear commands for IOS firewall ips Clear IPS information R2#clear ip ar R2#clear ip arp % Incomplete command. R2#clear ip arp * ^ % Invalid input detected at '^' marker. R2#clear ip arp ? A.B.C.D IP address of dynamic ARP entry R2#clear ip ro * 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:06, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:06, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 R2#clear ip ro * 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:01, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:01, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:02, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:02, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 R2#clear ip ro ? * Delete all routes A.B.C.D Destination network route to delete dhcp Delete route added by DHCP Server or Relay multicast Multicast global information topology Clear routes for a topology instance vrf Clear routes for a VPN Routing/Forwarding instance R2#clear ip ro * 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:01, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:01, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:03, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:03, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:03, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:03, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#ping 172.16.1.1 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip ro * 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:00:03, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:00:02, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip ro * R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip ro * R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip ro * R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip arp * ^ % Invalid input detected at '^' marker. R2#clear ar R2#clear arp-ca R2#clear arp-cache R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear arp-cache R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear arp-cache R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip arp * ^ % Invalid input detected at '^' marker. R2#clear ip arp * ^ % Invalid input detected at '^' marker. R2#clear ip ro * R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip ro * R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100) R2#clear ip ro * R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUU Success rate is 0 percent (0/100)
after clear all ip routes, fails ping. but I don't know why success routing before clear route…
conf t ! router rip no auto-summary exit ! end
Must be end-to-end ping between different major networks.
PC-1> ping 172.16.2.254 172.16.2.254 icmp_seq=1 timeout 172.16.2.254 icmp_seq=2 timeout 84 bytes from 172.16.2.254 icmp_seq=3 ttl=61 time=4.045 ms 84 bytes from 172.16.2.254 icmp_seq=4 ttl=61 time=6.061 ms 84 bytes from 172.16.2.254 icmp_seq=5 ttl=61 time=3.963 ms
PC-2> ping 172.16.2.3 172.16.2.3 icmp_seq=1 timeout 84 bytes from 172.16.2.3 icmp_seq=2 ttl=255 time=2.101 ms 84 bytes from 172.16.2.3 icmp_seq=3 ttl=255 time=1.942 ms 84 bytes from 172.16.2.3 icmp_seq=4 ttl=255 time=2.850 ms 84 bytes from 172.16.2.3 icmp_seq=5 ttl=255 time=2.035 ms
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 3 subnets, 2 masks C 172.16.1.0/24 is directly connected, GigabitEthernet0/0 L 172.16.1.1/32 is directly connected, GigabitEthernet0/0 R 172.16.2.0/24 [120/2] via 192.168.1.2, 00:00:05, GigabitEthernet0/1 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/1 L 192.168.1.1/32 is directly connected, GigabitEthernet0/1 R 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:05, GigabitEthernet0/1
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 3 subnets, 2 masks R 172.16.0.0/16 [120/1] via 192.168.2.3, 00:02:11, GigabitEthernet0/1 [120/1] via 192.168.1.1, 00:01:59, GigabitEthernet0/0 R 172.16.1.0/24 [120/1] via 192.168.1.1, 00:00:08, GigabitEthernet0/0 R 172.16.2.0/24 [120/1] via 192.168.2.3, 00:00:18, GigabitEthernet0/1 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 R2#ping 172.16.1.1 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (100/100), round-trip min/avg/max = 2/3/6 ms R2#ping 172.16.2.3 repeat 100 Type escape sequence to abort. Sending 100, 100-byte ICMP Echos to 172.16.2.3, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Success rate is 100 percent (100/100), round-trip min/avg/max = 1/3/7 ms
R3#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 172.16.0.0/16 is variably subnetted, 3 subnets, 2 masks R 172.16.1.0/24 [120/2] via 192.168.2.2, 00:00:09, GigabitEthernet0/0 C 172.16.2.0/24 is directly connected, GigabitEthernet0/1 L 172.16.2.3/32 is directly connected, GigabitEthernet0/1 R 192.168.1.0/24 [120/1] via 192.168.2.2, 00:00:09, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/0 L 192.168.2.3/32 is directly connected, GigabitEthernet0/0
specific route exist in R1-R3. in this case R2 show specific no summarize route below:
R 172.16.1.0/24 [120/1] via 192.168.1.1, 00:00:08, GigabitEthernet0/0 R 172.16.2.0/24 [120/1] via 192.168.2.3, 00:00:18, GigabitEthernet0/1
conf t ! hostname R1 ! int gig0/0 ip addr 192.168.0.1 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.1.1 255.255.255.0 no shut exit ! end wr
conf t ! hostname R2 ! int gig0/0 ip addr 192.168.1.2 255.255.255.0 no shut exit int gig0/1 ip addr 172.16.1.2 255.255.255.0 no shut exit ! end wr
conf t ! hostname R3 ! int gig0/0 ip addr 172.16.1.3 255.255.255.0 no shut exit int gig0/1 ip addr 172.16.2.3 255.255.255.0 no shut exit ! end wr
ip 192.168.0.254 255.255.255.0 192.168.0.1 save
ip 172.16.2.254 255.255.255.0 172.16.2.3 save
conf t ! router rip network 192.168.0.0 network 192.168.1.0 version 2 exit ! end
conf t ! router rip network 192.168.1.0 network 172.16.0.0 version 2 exit ! end
conf t ! router rip network 172.16.0.0 version 2 exit ! end
PC-1> ping 172.16.2.254 84 bytes from 172.16.2.254 icmp_seq=1 ttl=61 time=7.279 ms 84 bytes from 172.16.2.254 icmp_seq=2 ttl=61 time=4.042 ms 84 bytes from 172.16.2.254 icmp_seq=3 ttl=61 time=3.536 ms 84 bytes from 172.16.2.254 icmp_seq=4 ttl=61 time=7.543 ms 84 bytes from 172.16.2.254 icmp_seq=5 ttl=61 time=5.171 ms
conf t ! router rip passive-interface gig0/0 exit ! end
conf t ! router rip passive-interface gig0/1 exit ! end
PC-1> ping 172.16.2.254 84 bytes from 172.16.2.254 icmp_seq=1 ttl=61 time=5.696 ms 84 bytes from 172.16.2.254 icmp_seq=2 ttl=61 time=4.255 ms 84 bytes from 172.16.2.254 icmp_seq=3 ttl=61 time=6.066 ms 84 bytes from 172.16.2.254 icmp_seq=4 ttl=61 time=4.511 ms 84 bytes from 172.16.2.254 icmp_seq=5 ttl=61 time=6.357 ms
Above shows stopped sending routing update from R1, R3. still exchange RIP update R1-R2 link.
but routing successful normally.
conf t ! hostname R1 ! int gig0/0 ip addr 192.168.0.1 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.13.1 255.255.255.0 no shut exit int gig0/2 ip addr 192.168.14.1 255.255.255.0 no shut exit int gig0/3 ip addr 192.168.15.1 255.255.255.0 no shut exit ! end wr
conf t ! hostname R2 ! int gig0/0 ip addr 192.168.1.2 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.32.2 255.255.255.0 no shut exit int gig0/2 ip addr 192.168.42.2 255.255.255.0 no shut exit int gig0/3 ip addr 192.168.52.2 255.255.255.0 no shut exit ! end wr
conf t ! hostname R3 ! int gig0/0 ip addr 192.168.32.3 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.13.3 255.255.255.0 no shut exit ! end wr
conf t ! hostname R4 ! int gig0/0 ip addr 192.168.42.4 255.255.255.0 no shut exit int gig0/2 ip addr 192.168.14.4 255.255.255.0 no shut exit ! end wr
conf t ! hostname R5 ! int gig0/0 ip addr 192.168.52.5 255.255.255.0 no shut exit int gig0/3 ip addr 192.168.15.5 255.255.255.0 no shut exit ! end wr
ip 192.168.0.254 255.255.255.0 192.168.0.1 save
ip 192.168.1.254 255.255.255.0 192.168.1.2 save
R1#sh ip int bri Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0 192.168.0.1 YES manual up up GigabitEthernet0/1 192.168.13.1 YES manual up up GigabitEthernet0/2 192.168.14.1 YES manual up up GigabitEthernet0/3 192.168.15.1 YES manual up up R1#ping 192.168.13.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.13.3, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 3/4/5 ms R1#ping 192.168.14.4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.14.4, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 4/5/6 ms R1#ping 192.168.15.5 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.15.5, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 4/4/5 ms
R2#sh ip int bri Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0 192.168.1.2 YES manual up up GigabitEthernet0/1 192.168.32.2 YES manual up up GigabitEthernet0/2 192.168.42.2 YES manual up up GigabitEthernet0/3 192.168.52.2 YES manual up up R2#ping 192.168.1.254 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.254, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 1/2/4 ms R2#ping 192.168.32.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.32.3, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 3/5/8 ms R2#ping 192.168.42.4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.42.4, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 2/3/6 ms R2#ping 192.168.52.5 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.52.5, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 3/4/5 ms
R3#sh ip int bri Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0 192.168.32.3 YES manual up up GigabitEthernet0/1 192.168.13.3 YES manual up up GigabitEthernet0/2 unassigned YES NVRAM administratively down down GigabitEthernet0/3 unassigned YES NVRAM administratively down down
R4#sh ip int bri Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0 192.168.42.4 YES manual up up GigabitEthernet0/1 unassigned YES manual up up GigabitEthernet0/2 192.168.14.4 YES manual up up GigabitEthernet0/3 unassigned YES NVRAM administratively down down
R5#sh ip int bri Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0 192.168.52.5 YES manual up up GigabitEthernet0/1 unassigned YES manual up up GigabitEthernet0/2 unassigned YES NVRAM administratively down down GigabitEthernet0/3 192.168.15.5 YES manual up up
PC-1> ping 192.168.0.1 84 bytes from 192.168.0.1 icmp_seq=1 ttl=255 time=12.116 ms 84 bytes from 192.168.0.1 icmp_seq=2 ttl=255 time=2.790 ms 84 bytes from 192.168.0.1 icmp_seq=3 ttl=255 time=2.438 ms 84 bytes from 192.168.0.1 icmp_seq=4 ttl=255 time=2.585 ms 84 bytes from 192.168.0.1 icmp_seq=5 ttl=255 time=2.883 ms
PC-2> ping 192.168.1.2 84 bytes from 192.168.1.2 icmp_seq=1 ttl=255 time=4.063 ms 84 bytes from 192.168.1.2 icmp_seq=2 ttl=255 time=2.026 ms 84 bytes from 192.168.1.2 icmp_seq=3 ttl=255 time=2.116 ms 84 bytes from 192.168.1.2 icmp_seq=4 ttl=255 time=2.276 ms 84 bytes from 192.168.1.2 icmp_seq=5 ttl=255 time=2.897 ms
conf t ! router rip network 192.168.0.0 network 192.168.13.0 network 192.168.14.0 network 192.168.15.0 version 2 exit ! end
conf t ! router rip network 192.168.1.0 network 192.168.32.0 network 192.168.42.0 network 192.168.52.0 version 2 exit ! end
conf t ! router rip network 192.168.13.0 network 192.168.32.0 version 2 exit ! end
conf t ! router rip network 192.168.14.0 network 192.168.42.0 version 2 exit ! end
conf t ! router rip network 192.168.15.0 network 192.168.52.0 version 2 exit ! end
PC-1> ping 192.168.1.254 84 bytes from 192.168.1.254 icmp_seq=1 ttl=61 time=22.852 ms 84 bytes from 192.168.1.254 icmp_seq=2 ttl=61 time=4.065 ms 84 bytes from 192.168.1.254 icmp_seq=3 ttl=61 time=9.231 ms 84 bytes from 192.168.1.254 icmp_seq=4 ttl=61 time=3.288 ms 84 bytes from 192.168.1.254 icmp_seq=5 ttl=61 time=10.388 ms
PC-2> ping 192.168.0.254 84 bytes from 192.168.0.254 icmp_seq=1 ttl=61 time=5.167 ms 84 bytes from 192.168.0.254 icmp_seq=2 ttl=61 time=5.075 ms 84 bytes from 192.168.0.254 icmp_seq=3 ttl=61 time=7.719 ms 84 bytes from 192.168.0.254 icmp_seq=4 ttl=61 time=5.554 ms 84 bytes from 192.168.0.254 icmp_seq=5 ttl=61 time=7.630 ms
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.0.0/24 is directly connected, GigabitEthernet0/0 L 192.168.0.1/32 is directly connected, GigabitEthernet0/0 R 192.168.1.0/24 [120/2] via 192.168.15.5, 00:00:06, GigabitEthernet0/3 [120/2] via 192.168.14.4, 00:00:13, GigabitEthernet0/2 [120/2] via 192.168.13.3, 00:00:17, GigabitEthernet0/1 192.168.13.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.13.0/24 is directly connected, GigabitEthernet0/1 L 192.168.13.1/32 is directly connected, GigabitEthernet0/1 192.168.14.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.14.0/24 is directly connected, GigabitEthernet0/2 L 192.168.14.1/32 is directly connected, GigabitEthernet0/2 192.168.15.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.15.0/24 is directly connected, GigabitEthernet0/3 L 192.168.15.1/32 is directly connected, GigabitEthernet0/3 R 192.168.32.0/24 [120/1] via 192.168.13.3, 00:00:17, GigabitEthernet0/1 R 192.168.42.0/24 [120/1] via 192.168.14.4, 00:00:13, GigabitEthernet0/2 R 192.168.52.0/24 [120/1] via 192.168.15.5, 00:00:06, GigabitEthernet0/3 R1#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.1.0/24 [120/2] via 192.168.15.5, 00:00:10, GigabitEthernet0/3 [120/2] via 192.168.14.4, 00:00:17, GigabitEthernet0/2 [120/2] via 192.168.13.3, 00:00:19, GigabitEthernet0/1 R 192.168.32.0/24 [120/1] via 192.168.13.3, 00:00:19, GigabitEthernet0/1 R 192.168.42.0/24 [120/1] via 192.168.14.4, 00:00:17, GigabitEthernet0/2 R 192.168.52.0/24 [120/1] via 192.168.15.5, 00:00:10, GigabitEthernet0/3
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/2] via 192.168.52.5, 00:00:13, GigabitEthernet0/3 [120/2] via 192.168.42.4, 00:00:15, GigabitEthernet0/2 [120/2] via 192.168.32.3, 00:00:19, GigabitEthernet0/1 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 R 192.168.13.0/24 [120/1] via 192.168.32.3, 00:00:19, GigabitEthernet0/1 R 192.168.14.0/24 [120/1] via 192.168.42.4, 00:00:15, GigabitEthernet0/2 R 192.168.15.0/24 [120/1] via 192.168.52.5, 00:00:13, GigabitEthernet0/3 192.168.32.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.32.0/24 is directly connected, GigabitEthernet0/1 L 192.168.32.2/32 is directly connected, GigabitEthernet0/1 192.168.42.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.42.0/24 is directly connected, GigabitEthernet0/2 L 192.168.42.2/32 is directly connected, GigabitEthernet0/2 192.168.52.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.52.0/24 is directly connected, GigabitEthernet0/3 L 192.168.52.2/32 is directly connected, GigabitEthernet0/3 R2#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/2] via 192.168.52.5, 00:00:23, GigabitEthernet0/3 [120/2] via 192.168.42.4, 00:00:27, GigabitEthernet0/2 [120/2] via 192.168.32.3, 00:00:17, GigabitEthernet0/1 R 192.168.13.0/24 [120/1] via 192.168.32.3, 00:00:17, GigabitEthernet0/1 R 192.168.14.0/24 [120/1] via 192.168.42.4, 00:00:27, GigabitEthernet0/2 R 192.168.15.0/24 [120/1] via 192.168.52.5, 00:00:23, GigabitEthernet0/3
R3#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.13.1, 00:00:29, GigabitEthernet0/1 R 192.168.1.0/24 [120/1] via 192.168.32.2, 00:00:28, GigabitEthernet0/0 192.168.13.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.13.0/24 is directly connected, GigabitEthernet0/1 L 192.168.13.3/32 is directly connected, GigabitEthernet0/1 R 192.168.14.0/24 [120/1] via 192.168.13.1, 00:00:29, GigabitEthernet0/1 R 192.168.15.0/24 [120/1] via 192.168.13.1, 00:00:29, GigabitEthernet0/1 192.168.32.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.32.0/24 is directly connected, GigabitEthernet0/0 L 192.168.32.3/32 is directly connected, GigabitEthernet0/0 R 192.168.42.0/24 [120/1] via 192.168.32.2, 00:00:28, GigabitEthernet0/0 R 192.168.52.0/24 [120/1] via 192.168.32.2, 00:00:28, GigabitEthernet0/0 R3#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.13.1, 00:00:19, GigabitEthernet0/1 R 192.168.1.0/24 [120/1] via 192.168.32.2, 00:00:11, GigabitEthernet0/0 R 192.168.14.0/24 [120/1] via 192.168.13.1, 00:00:19, GigabitEthernet0/1 R 192.168.15.0/24 [120/1] via 192.168.13.1, 00:00:19, GigabitEthernet0/1 R 192.168.42.0/24 [120/1] via 192.168.32.2, 00:00:11, GigabitEthernet0/0 R 192.168.52.0/24 [120/1] via 192.168.32.2, 00:00:11, GigabitEthernet0/0
R4#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.14.1, 00:00:05, GigabitEthernet0/2 R 192.168.1.0/24 [120/1] via 192.168.42.2, 00:00:04, GigabitEthernet0/0 R 192.168.13.0/24 [120/1] via 192.168.14.1, 00:00:05, GigabitEthernet0/2 192.168.14.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.14.0/24 is directly connected, GigabitEthernet0/2 L 192.168.14.4/32 is directly connected, GigabitEthernet0/2 R 192.168.15.0/24 [120/1] via 192.168.14.1, 00:00:05, GigabitEthernet0/2 R 192.168.32.0/24 [120/1] via 192.168.42.2, 00:00:04, GigabitEthernet0/0 192.168.42.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.42.0/24 is directly connected, GigabitEthernet0/0 L 192.168.42.4/32 is directly connected, GigabitEthernet0/0 R 192.168.52.0/24 [120/1] via 192.168.42.2, 00:00:04, GigabitEthernet0/0 R4#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.14.1, 00:00:13, GigabitEthernet0/2 R 192.168.1.0/24 [120/1] via 192.168.42.2, 00:00:26, GigabitEthernet0/0 R 192.168.13.0/24 [120/1] via 192.168.14.1, 00:00:13, GigabitEthernet0/2 R 192.168.15.0/24 [120/1] via 192.168.14.1, 00:00:13, GigabitEthernet0/2 R 192.168.32.0/24 [120/1] via 192.168.42.2, 00:00:26, GigabitEthernet0/0 R 192.168.52.0/24 [120/1] via 192.168.42.2, 00:00:26, GigabitEthernet0/0
R5#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.15.1, 00:00:06, GigabitEthernet0/3 R 192.168.1.0/24 [120/1] via 192.168.52.2, 00:00:05, GigabitEthernet0/0 R 192.168.13.0/24 [120/1] via 192.168.15.1, 00:00:06, GigabitEthernet0/3 R 192.168.14.0/24 [120/1] via 192.168.15.1, 00:00:06, GigabitEthernet0/3 192.168.15.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.15.0/24 is directly connected, GigabitEthernet0/3 L 192.168.15.5/32 is directly connected, GigabitEthernet0/3 R 192.168.32.0/24 [120/1] via 192.168.52.2, 00:00:05, GigabitEthernet0/0 R 192.168.42.0/24 [120/1] via 192.168.52.2, 00:00:05, GigabitEthernet0/0 192.168.52.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.52.0/24 is directly connected, GigabitEthernet0/0 L 192.168.52.5/32 is directly connected, GigabitEthernet0/0 R5#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.15.1, 00:00:13, GigabitEthernet0/3 R 192.168.1.0/24 [120/1] via 192.168.52.2, 00:00:14, GigabitEthernet0/0 R 192.168.13.0/24 [120/1] via 192.168.15.1, 00:00:13, GigabitEthernet0/3 R 192.168.14.0/24 [120/1] via 192.168.15.1, 00:00:13, GigabitEthernet0/3 R 192.168.32.0/24 [120/1] via 192.168.52.2, 00:00:14, GigabitEthernet0/0 R 192.168.42.0/24 [120/1] via 192.168.52.2, 00:00:14, GigabitEthernet0/0
display filter
rip or icmp
PC-1> ping 192.168.1.254 -t
PC-3> ping 192.168.1.254 -t
PC-5> ping 192.168.0.254 -t
PC-7> ping 192.168.0.254 -t
PC-8> ping 192.168.0.254 -t
view capture
balanced.
conf t ! router rip maximum-paths 2 exit ! end
conf t ! router rip maximum-paths 2 exit ! end
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.0.0/24 is directly connected, GigabitEthernet0/0 L 192.168.0.1/32 is directly connected, GigabitEthernet0/0 R 192.168.1.0/24 [120/2] via 192.168.15.5, 00:00:08, GigabitEthernet0/3 [120/2] via 192.168.14.4, 00:00:15, GigabitEthernet0/2 192.168.13.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.13.0/24 is directly connected, GigabitEthernet0/1 L 192.168.13.1/32 is directly connected, GigabitEthernet0/1 192.168.14.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.14.0/24 is directly connected, GigabitEthernet0/2 L 192.168.14.1/32 is directly connected, GigabitEthernet0/2 192.168.15.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.15.0/24 is directly connected, GigabitEthernet0/3 L 192.168.15.1/32 is directly connected, GigabitEthernet0/3 R 192.168.32.0/24 [120/1] via 192.168.13.3, 00:00:25, GigabitEthernet0/1 R 192.168.42.0/24 [120/1] via 192.168.14.4, 00:00:15, GigabitEthernet0/2 R 192.168.52.0/24 [120/1] via 192.168.15.5, 00:00:08, GigabitEthernet0/3 R1#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.1.0/24 [120/2] via 192.168.15.5, 00:00:05, GigabitEthernet0/3 [120/2] via 192.168.14.4, 00:00:10, GigabitEthernet0/2 R 192.168.32.0/24 [120/1] via 192.168.13.3, 00:00:28, GigabitEthernet0/1 R 192.168.42.0/24 [120/1] via 192.168.14.4, 00:00:10, GigabitEthernet0/2 R 192.168.52.0/24 [120/1] via 192.168.15.5, 00:00:05, GigabitEthernet0/3
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/2] via 192.168.42.4, 00:00:01, GigabitEthernet0/2 [120/2] via 192.168.32.3, 00:00:13, GigabitEthernet0/1 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 R 192.168.13.0/24 [120/1] via 192.168.32.3, 00:00:13, GigabitEthernet0/1 R 192.168.14.0/24 [120/1] via 192.168.42.4, 00:00:01, GigabitEthernet0/2 R 192.168.15.0/24 [120/1] via 192.168.52.5, 00:00:28, GigabitEthernet0/3 192.168.32.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.32.0/24 is directly connected, GigabitEthernet0/1 L 192.168.32.2/32 is directly connected, GigabitEthernet0/1 192.168.42.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.42.0/24 is directly connected, GigabitEthernet0/2 L 192.168.42.2/32 is directly connected, GigabitEthernet0/2 192.168.52.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.52.0/24 is directly connected, GigabitEthernet0/3 L 192.168.52.2/32 is directly connected, GigabitEthernet0/3 R2#sh ip ro rip 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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/2] via 192.168.42.4, 00:00:21, GigabitEthernet0/2 [120/2] via 192.168.32.3, 00:00:17, GigabitEthernet0/1 R 192.168.13.0/24 [120/1] via 192.168.32.3, 00:00:17, GigabitEthernet0/1 R 192.168.14.0/24 [120/1] via 192.168.42.4, 00:00:21, GigabitEthernet0/2 R 192.168.15.0/24 [120/1] via 192.168.52.5, 00:00:25, GigabitEthernet0/3
routing table reduced to 2 path.
change filter
DisplayFilters - The Wireshark Wiki
ip.src == 192.168.0.0/24
reduced 2 paths in Wireshark capture
In this case I assume GNS3 2.1.4.
Choose cloud. No appliance necessary.
connect to eth1
.
*May 14 23:01:59.647: %DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0/1 assigned DHCP address 192.168.200.139, mask 255.255.255.0, hostname R3
this seems to be used NAT Internet access.
conf t ! hostname R1 ! int gig0/0 ip addr 192.168.0.1 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.1.1 255.255.255.0 no shut exit ! end wr
conf t ! hostname R2 ! int gig0/0 ip addr 192.168.1.2 255.255.255.0 no shut exit int gig0/1 ip addr 192.168.2.2 255.255.255.0 no shut exit ! end wr
conf t ! hostname R3 ! int gig0/0 ip addr 192.168.2.3 255.255.255.0 no shut exit int gig0/1 ip addr dhcp no shut exit ! end wr
ip 192.168.0.254 255.255.255.0 192.168.0.1 save
conf t ! router rip network 192.168.0.0 network 192.168.1.0 version 2 exit ! end
conf t ! router rip network 192.168.1.0 network 192.168.2.0 version 2 exit ! end
conf t ! router rip network 192.168.2.0 version 2 exit ! end
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set 192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.0.0/24 is directly connected, GigabitEthernet0/0 L 192.168.0.1/32 is directly connected, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/1 L 192.168.1.1/32 is directly connected, GigabitEthernet0/1 R 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:01, GigabitEthernet0/1
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is not set R 192.168.0.0/24 [120/1] via 192.168.1.1, 00:00:02, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1
R3#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is 192.168.200.2 to network 0.0.0.0 S* 0.0.0.0/0 [254/0] via 192.168.200.2 R 192.168.0.0/24 [120/2] via 192.168.2.2, 00:00:27, GigabitEthernet0/0 R 192.168.1.0/24 [120/1] via 192.168.2.2, 00:00:27, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/0 L 192.168.2.3/32 is directly connected, GigabitEthernet0/0 192.168.200.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.200.0/24 is directly connected, GigabitEthernet0/1 L 192.168.200.139/32 is directly connected, GigabitEthernet0/1
PC-1> ping 192.168.2.3 84 bytes from 192.168.2.3 icmp_seq=1 ttl=253 time=5.475 ms 84 bytes from 192.168.2.3 icmp_seq=2 ttl=253 time=5.733 ms 84 bytes from 192.168.2.3 icmp_seq=3 ttl=253 time=5.365 ms 84 bytes from 192.168.2.3 icmp_seq=4 ttl=253 time=6.568 ms 84 bytes from 192.168.2.3 icmp_seq=5 ttl=253 time=5.520 ms
PC-1> ping 8.8.8.8 *192.168.0.1 icmp_seq=1 ttl=255 time=2.919 ms (ICMP type:3, code:1, Destination host unreachable) *192.168.0.1 icmp_seq=2 ttl=255 time=2.384 ms (ICMP type:3, code:1, Destination host unreachable) *192.168.0.1 icmp_seq=3 ttl=255 time=2.520 ms (ICMP type:3, code:1, Destination host unreachable) *192.168.0.1 icmp_seq=4 ttl=255 time=3.473 ms (ICMP type:3, code:1, Destination host unreachable) *192.168.0.1 icmp_seq=5 ttl=255 time=4.768 ms (ICMP type:3, code:1, Destination host unreachable)
Now, time to configure default route advertisement.
conf t ! router rip default-information originate passive-interface gig0/1 exit ! end
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is 192.168.1.2 to network 0.0.0.0 R* 0.0.0.0/0 [120/2] via 192.168.1.2, 00:00:03, GigabitEthernet0/1 192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.0.0/24 is directly connected, GigabitEthernet0/0 L 192.168.0.1/32 is directly connected, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/1 L 192.168.1.1/32 is directly connected, GigabitEthernet0/1 R 192.168.2.0/24 [120/1] via 192.168.1.2, 00:00:03, GigabitEthernet0/1 R2#ping 1.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 12/13/16 ms
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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is 192.168.2.3 to network 0.0.0.0 R* 0.0.0.0/0 [120/1] via 192.168.2.3, 00:00:19, GigabitEthernet0/1 R 192.168.0.0/24 [120/1] via 192.168.1.1, 00:00:09, GigabitEthernet0/0 192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.1.0/24 is directly connected, GigabitEthernet0/0 L 192.168.1.2/32 is directly connected, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/1 L 192.168.2.2/32 is directly connected, GigabitEthernet0/1 R1#ping 8.8.4.4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 8.8.4.4, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 14/15/17 ms
R3#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 a - application route + - replicated route, % - next hop override, p - overrides from PfR Gateway of last resort is 192.168.200.2 to network 0.0.0.0 S* 0.0.0.0/0 [254/0] via 192.168.200.2 R 192.168.0.0/24 [120/2] via 192.168.2.2, 00:00:07, GigabitEthernet0/0 R 192.168.1.0/24 [120/1] via 192.168.2.2, 00:00:07, GigabitEthernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, GigabitEthernet0/0 L 192.168.2.3/32 is directly connected, GigabitEthernet0/0 192.168.200.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.200.0/24 is directly connected, GigabitEthernet0/1 L 192.168.200.139/32 is directly connected, GigabitEthernet0/1
PC-1> ping 8.8.8.8 84 bytes from 8.8.8.8 icmp_seq=1 ttl=125 time=18.759 ms 84 bytes from 8.8.8.8 icmp_seq=2 ttl=125 time=13.421 ms 84 bytes from 8.8.8.8 icmp_seq=3 ttl=125 time=13.838 ms 84 bytes from 8.8.8.8 icmp_seq=4 ttl=125 time=16.313 ms 84 bytes from 8.8.8.8 icmp_seq=5 ttl=125 time=13.905 ms
You know, gateway of last resort is set, and RIP advertised default route in routing table.
Of course, ping to world successful.