Task 1:
For reference information on configuring hostnames, please refer to:
Lab 35 Configuration and Verification Task 1
Task 2:
For reference information on configuring DCE clocking, please refer to:
Lab 57 Configuration and Verification Task 2
Lab 58 Configuration and Verification Task 2
Task 3:
R1#config t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#ip route 0.0.0.0 0.0.0.0 serial0/0 172.16.1.2
R1(config)#int lo10
R1(config-if)#ip address 172.16.4.1 255.255.255.192
R1(config-if)#exit
R1(config)#int lo20
R1(config-if)#ip address 172.17.5.1 255.255.255.248
R1(config-if)#end
R1#
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#ip route 0.0.0.0 0.0.0.0 serial0/0 172.16.1.1
R3(config)#int loo 10
R3(config-if)#ip address 10.10.10.3 255.255.255.128
R3(config-if)#exit
R3(config)#int loo 20
R3(config-if)#ip address 10.20.20.3 255.255.255.240
R3(config-if)#exit
R3(config)#int loo 30
R3(config-if)#ip address 10.30.30.3 255.255.255.248
R3(config-if)#end
R3#
Task 4:
For reference information on sourcing traffic from other interfaces, please refer to:
Lab 55 Configuration and Verification Task 4
Lab 56 Configuration and Verification Task 5
Lab 57 Configuration and Verification Task 4
Lab 57 Configuration and Verification Task 6
Task 5:
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#enable secret CISCO
R1(config)#line vty 0 4
R1(config-line)#password CISCO
R1(config-line)#login
R1(config-line)#end
R1#
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#enable secret CISCO
R3(config)#line vty 0 4
R3(config-line)#password CISCO
R3(config-line)#login
R3(config-line)#end
R3#
Task 6:
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#access-list 180 remark ‘R1 Loop10->R3 Loop20’
R3(config)#access-list 180 per tcp 172.16.4.0 0.0.0.63 10.20.20.0 0.0.0.15 eq telnet
R3(config)#access-list 180 remark ‘R1 Loop10->R3 Loop30’
R3(config)#access-list 180 per tcp 172.16.4.0 0.0.0.63 10.30.30.0 0.0.0.7 eq telnet
R3(config)#access-list 180 per icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo
R3(config)#access-list 180 per icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo-reply
R3(config)#int s0/0
R3(config-if)#ip access-group 180 in
R3(config-if)#end
R3#
R1#telnet 10.10.10.3 /source-interface loopback 10
Trying 10.10.10.3 …
% Destination unreachable; gateway or host down
R1#telnet 10.20.20.3 /source-interface loopback 10
Trying 10.20.20.3 … Open
User Access Verification
Password:
R3#
R1#telnet 10.30.30.3 /source-interface loopback 10
Trying 10.30.30.3 … Open
User Access Verification
Password:
R3#
Task 7:
R1#ping 10.10.10.3 source loopback20
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.3, timeout is 2 seconds:
Packet sent with a source address of 172.17.5.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/8 ms
R1#ping 10.20.20.3 source loopback20
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.20.20.3, timeout is 2 seconds:
Packet sent with a source address of 172.17.5.1
U.U.U
Success rate is 0 percent (0/5)
R1#ping 10.30.30.3 source loopback20
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.30.30.3, timeout is 2 seconds:
Packet sent with a source address of 172.17.5.1
U.U.U
Success rate is 0 percent (0/5)