Given the following Topology and Addressing Table:
Scenario:
The routers at your company were configured by inexperienced network engineer. Several errors in the configuration have resulted in connectivity issues. Your boss has asked you to troubleshoot and correct the configuration errors and document your work. Using your knowledge of PPP and standard testing methods, find and correct the errors. Make sure that all the serial links use PPP CHAP authentication, and that all the networks are reachable.
Learn objectives:
Load routers with scripts
Find and correct the network errors
Document the corrected network.
Task1. Load Routers with the supplied Scripts.
R1
enable
configure terminal
!
hostname R1
!
enable secret class
!
no ip domain lookup
!
username R2 password 0 cisco
!
interface FastEthernet0/0
ip address 10.0.0.1 255.255.255.128
shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
duplex auto
speed auto
!
interface Serial0/0/0
ip address 172.16.0.1 255.255.255.248
no fair-queue
clockrate 64000
!
interface Serial0/0/1
ip address 172.16.0.9 255.255.255.252
encapsulation ppp
ppp authentication pap
!
router ospf 1
log-adjacency-changes
network 10.0.0.0 0.0.0.127 area 0
network 172.16.0.4 0.0.0.3 area 0
network 172.16.0.8 0.0.0.3 area 0
!
ip classless
!
ip http server
!
control-plane
!
banner motd ^CUnauthorized access strictly prohibited and prosecuted to the
full extent of the law^C
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
end
R2
enable
configure terminal
!
hostname R2
!
enable secret class
!
no ip domain lookup
!
username R11 password 0 cisco
username R3 password 0 class
!
interface Loopback0
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 209.165.200.161 255.255.255.224
shutdown
duplex auto
speed auto
!
interface Serial0/0/0
ip address 172.16.0.2 255.255.255.252
encapsulation ppp
no fair-queue
ppp authentication chap
!
interface Serial0/0/1
ip address 172.16.0.5 255.255.255.252
!
router ospf 1
log-adjacency-changes
network 172.16.0.0 0.0.0.3 area 0
network 172.16.0.4 0.0.0.3 area 0
network 209.165.200.128 0.0.0.31 area 0
!
ip classless
!
ip http server
!
control-plane
!
banner motd ^CUnauthorized access strictly prohibited and prosecuted to the
full extent of the law^C
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
end
R3
enable
configure terminal
!
hostname R3
!
enable secret class
!
no ip domain lookup
!
username R1 password 0 cisco
username R3 password 0 ciscco
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 10.0.0.129 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
ip address 172.16.0.10 255.255.255.252
no fair-queue
clockrate 64000
!
interface Serial0/0/1
encapsulation ppp
ppp authentication pap
!
router ospf 1
log-adjacency-changes
network 10.0.0.128 0.0.0.127 area 0
network 192.16.0.4 0.0.0.3 area 0
network 192.16.0.8 0.0.0.3 area 0
!
ip classless
!
ip http server
!
control-plane
!
banner motd ^CUnauthorized access strictly prohibited and prosecuted to the
full extent of the law^C
!
line con 0
exec-timeout 0 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
end
Task 2. Find and Correct the Network Errors.
Task3. Document the corrected Network.
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