: 2007 :
: Cisco 1841 : 3 A B C L2 : Netgear JFS516 : 3 PC : Sony PCG-9HN : 3 PC PC 1 PC 2 OS OS PC 1 PC 2 : Gateway MX7517j : IBM 2681-BUJ : Microsoft Windows XP Professional : Microsoft Windows XP Professional Service Pack 2 : FHK110213UJ : FHK1001211C : FHK110213TR

4.1 L2

PC PC 4.1
PC A B C PC PC PC COM7 COM8 COM2

Cisco1800

4.2 4.6
192.168.1.0 192.168.2.0 192.168.3.0 192.168.4.0 192.168.5.0 192.168.6.0
255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0

4.3 IP

IP A FastEthernet0/0 A Serial0/0/0 A Serial0/0/1 B FastEthernet0/0 B Serial0/0/0 B Serial0/0/1 C FastEthernet0/0 C Serial0/0/0 C Serial0/0/1 PC A PC B PC C 192.168.4.1 192.168.1.1 192.168.3.2 192.168.5.1 192.168.2.1 192.168.1.2 192.168.6.1 192.168.3.1 192.168.2.2 192.168.4.2 192.168.5.2 192.168.6.2 192.168.4.0/24 192.168.1.0/24 192.168.3.0/24 192.168.5.0/24 192.168.2.0/24 192.168.1.0/24 192.168.6.0/24 192.168.3.0/24 192.168.2.0/24 192.168.4.0/24 192.168.5.0/24 192.168.6.0/24
FastEthernet0/0 A Serial0/0/0 Serial0/0/1
Router>enable Router#configure terminal Enter configuration commands, one per line. Router(config)# A Router(config)#hostname A End with CNTL/Z.
7 A(config)# FastEthernet0/0 A(config)#interface f0/0 A(config-if)#ip address 192.168.4.1 255.255.255.0 A(config-if)#no shutdown A(config-if)#exit A(config)# Serial0/0/0 A(config)#interface s0/0/0 A(config-if)#ip address 192.168.1.1 255.255.255.0 A(config-if)#clockrate 64000 A(config-if)#no shutdown A(config-if)#exit A(config)# Serial0/0/1 A(config)#interface s0/0/1 A(config-if)#ip address 192.168.3.2 255.255.255.0 A(config-if)#no shutdown A(config-if)#exit A(config)# B B Router>enable Router#configure terminal Enter configuration commands, one per line. Router(config)#hostname B B(config)#interface f0/0 B(config-if)#ip address 192.168.5.1 255.255.255.0 B(config-if)#no shutdown B(config-if)#exit B(config)#interface s0/0/0 B(config-if)#ip address 192.168.2.1 255.255.255.0 B(config-if)#clockrate 64000 B(config-if)#no shutdown B(config-if)#exit B(config)#interface s0/0/1 End with CNTL/Z. C
8 B(config-if)#ip address 192.168.1.2 255.255.255.0 B(config-if)#no shutdown B(config-if)#exit B(config)# C Router>enable Router#configure terminal Enter configuration commands, one per line. Router(config)#hostname C C(config)#interface f0/0 C(config-if)#ip address 192.168.6.1 255.255.255.0 C(config-if)#no shutdown C(config-if)#exit C(config)#interface s0/0/0 C(config-if)#ip address 192.168.3.1 255.255.255.0 C(config-if)#clockrate 64000 C(config-if)#no shutdown C(config-if)#exit C(config)#interface s0/0/1 C(config-if)#ip address 192.168.2.2 255.255.255.0 C(config-if)#no shutdown C(config-if)#exit C(config)# End with CNTL/Z.
RIP RIP A(config)#router rip
A(config-router)#network 192.168.4.0 A(config-router)#network 192.168.1.0 A(config-router)#network 192.168.3.0

A(config-router)#exit

9 A(config)#exit A# B C B(config)#router rip B(config-router)#network 192.168.5.0 B(config-router)#network 192.168.2.0 B(config-router)#network 192.168.1.0 B(config-router)#exit B(config)#exit B# C(config)#router rip C(config-router)#network 192.168.6.0 C(config-router)#network 192.168.3.0 C(config-router)#network 192.168.2.0 C(config-router)#exit C(config)#exit C#

ping A FastEthernet0/0

A#ping 192.168.4.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.4.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms A# A Serial0/0/0
A#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 = 56/58/64 ms A# A Serial0/0/1
A#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 = 56/57/64 ms A# B B FastEthernet0/0
B#ping 192.168.5.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.5.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms B#

11 B Serial0/0/0

B#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 = 56/57/64 ms B# B Serial0/0/1
B#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 = 56/56/56 ms B# C C FastEthernet0/0
C#ping 192.168.6.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.6.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms C# C Serial0/0/0
C#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 = 56/57/64 ms C# C Serial0/0/1
C#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: !!!!!
12 Success rate is 100 percent (5/5), round-trip min/avg/max = 56/57/64 ms C#

show ip route A A#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 C R R C R C A# B B#show ip route 192.168.4.0/24 is directly connected, FastEthernet0/0 192.168.5.0/24 [120/1] via 192.168.1.2, 00:00:04, Serial0/0/0 192.168.6.0/24 [120/1] via 192.168.3.1, 00:00:09, Serial0/0/1 192.168.1.0/24 is directly connected, Serial0/0/0 192.168.2.0/24 [120/1] via 192.168.3.1, 00:00:09, Serial0/0/1 [120/1] via 192.168.1.2, 00:00:04, Serial0/0/0 192.168.3.0/24 is directly connected, Serial0/0/1

R C R C C R B#

192.168.4.0/24 [120/1] via 192.168.1.1, 00:00:14, Serial0/0/1 192.168.5.0/24 is directly connected, FastEthernet0/0 192.168.6.0/24 [120/1] via 192.168.2.2, 00:00:15, Serial0/0/0 192.168.1.0/24 is directly connected, Serial0/0/1 192.168.2.0/24 is directly connected, Serial0/0/0 192.168.3.0/24 [120/1] via 192.168.2.2, 00:00:15, Serial0/0/0 [120/1] via 192.168.1.1, 00:00:14, Serial0/0/1

C C#show ip route

R R C R C C C#
192.168.4.0/24 [120/1] via 192.168.3.2, 00:00:08, Serial0/0/0 192.168.5.0/24 [120/1] via 192.168.2.1, 00:00:12, Serial0/0/1 192.168.6.0/24 is directly connected, FastEthernet0/0 192.168.1.0/24 [120/1] via 192.168.3.2, 00:00:08, Serial0/0/0 [120/1] via 192.168.2.1, 00:00:12, Serial0/0/1 192.168.2.0/24 is directly connected, Serial0/0/1 192.168.3.0/24 is directly connected, Serial0/0/0

4.4 4.5

C C C R R R
192.168.4.0 192.168.1.0 192.168.3.0 192.168.5.0 192.168.6.0 192.168.2.0
255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 192.168.1.2 192.168.3.1 192.168.1.2 192.168.3.1

RIP no ip route A#configure terminal Enter configuration commands, one per line. A(config)#no router rip A(config)#exit A# B C show ip route A#show ip route A End with CNTL/Z.

C C C A#

192.168.4.0/24 is directly connected, FastEthernet0/0 192.168.1.0/24 is directly connected, Serial0/0/0 192.168.3.0/24 is directly connected, Serial0/0/1

B B#show ip route

C C C B#
192.168.5.0/24 is directly connected, FastEthernet0/0 192.168.1.0/24 is directly connected, Serial0/0/1 192.168.2.0/24 is directly connected, Serial0/0/0

C#show ip route

21 C C C C# R RIP 192.168.6.0/24 is directly connected, FastEthernet0/0 192.168.2.0/24 is directly connected, Serial0/0/1 192.168.3.0/24 is directly connected, Serial0/0/0

4.21 4.22 4.23 ip route

192.168.5.0 192.168.6.0 192.168.2.0
255.255.255.0 255.255.255.0 255.255.255.0
192.168.1.2 192.168.3.1 192.168.1.2
Serial0/0/0 Serial0/0/1 Serial0/0/0
192.168.6.0 192.168.4.0 192.168.3.0
192.168.2.2 192.168.1.1 192.168.2.2
192.168.4.0 192.168.5.0 192.168.1.0
192.168.3.2 192.168.2.1 192.168.3.2

show ip route

A#configure terminal Enter configuration commands, one per line. End with CNTL/Z. A(config)#ip route 192.168.5.0 255.255.255.0 Serial0/0/0 192.168.1.A(config)#ip route 192.168.6.0 255.255.255.0 Serial0/0/1 192.168.3.A(config)#ip route 192.168.2.0 255.255.255.0 Serial0/0/0 192.168.1.A(config)#exit A#show ip route
22 C S S C S C A# B B#configure terminal Enter configuration commands, one per line. End with CNTL/Z. B(config)#ip route 192.168.6.0 255.255.255.0 Serial0/0/0 192.168.2.B(config)#ip route 192.168.4.0 255.255.255.0 Serial0/0/1 192.168.1.B(config)#ip route 192.168.3.0 255.255.255.0 Serial0/0/0 192.168.2.B(config)#exit B#show ip route 192.168.4.0/24 is directly connected, FastEthernet0/0 192.168.5.0/24 [1/0] via 192.168.1.2, Serial0/0/0 192.168.6.0/24 [1/0] via 192.168.3.1, Serial0/0/1 192.168.1.0/24 is directly connected, Serial0/0/0 192.168.2.0/24 [1/0] via 192.168.2.2, Serial0/0/0 192.168.3.0/24 is directly connected, Serial0/0/1

S C S C C S B# C

192.168.4.0/24 [1/0] via 192.168.1.1, Serial0/0/1 192.168.5.0/24 is directly connected, FastEthernet0/0 192.168.6.0/24 [1/0] via 192.168.2.2, Serial0/0/0 192.168.1.0/24 is directly connected, Serial0/0/1 192.168.2.0/24 is directly connected, Serial0/0/0 192.168.3.0/24 [1/0] via 192.168.2.2, Serial0/0/0

C#configure terminal Enter configuration commands, one per line. End with CNTL/Z. C(config)#ip route 192.168.4.0 255.255.255.0 Serial0/0/0 192.168.3.C(config)#ip route 192.168.5.0 255.255.255.0 Serial0/0/1 192.168.2.C(config)#ip route 192.168.1.0 255.255.255.0 Serial0/0/0 192.168.3.C(config)#exit C#show ip route

S S C S C C

192.168.4.0/24 [1/0] via 192.168.3.2, Serial0/0/0 192.168.5.0/24 [1/0] via 192.168.2.1, Serial0/0/1 192.168.6.0/24 is directly connected, FastEthernet0/0 192.168.1.0/24 [1/0] via 192.168.3.2, Serial0/0/0 192.168.2.0/24 is directly connected, Serial0/0/1 192.168.3.0/24 is directly connected, Serial0/0/0

23 C# 4.21 4.22 4.23

4.8.3 tracert

tracert

PC A PC B

4.28 PC C PC A

3 tracert

A C PC C A tracert

>tracert 192.168.4.2 Tracing route to 192.168.4.2 over a maximum of 30 hops <1 ms <1 ms <1 ms 192.168.6.1

192.168.6.1

reports: Destination host unreachable.
Trace complete. > C Destination host unreachable.