Troubleshooting – ćwiczenie

Troubleshooting – ćwiczenie

Sieć: troubleshooting – ćwiczenie.

Ćwiczenie polegające na znalezieniu błędów w konfiguracji routerów.

Konfiguracje routerów:

hostname R2
enable secret class
no ip domain lookup
banner motd #Unauthorized Access is Prohibited!#
username R1 password chap123
username r3 password chap123
interface lo0
ip address 209.165.200.225 255.255.255.252
interface s0/0/0
ip address 192.168.12.2 255.255.255.252
encapsulation ppp
ppp authentication chap
no shutdown
interface s0/0/1
ip address 192.168.23.1 255.255.255.252
clock rate 128000
no shutdown
exit
router ospf 1
router-id 2.2.2.2
network 192.168.12.0 0.0.0.3 area 0
network 192.168.23.0 0.0.0.3 area 0
default-information originate
exit
ip route 0.0.0.0 0.0.0.0 loopback0
line con 0
password cisco
logging synchronous
login
line vty 0 4
password cisco
login

– porty serial na R1 (s0/1/0 , s0/1/1) nie zostały podniesione
*no shutdown
– brak dołączonej sieci na R3 (192.168.3.0) w protokole OSPF
*network 192.168.3.0 0.0.0.255 area 0
– błędne ip na R1 dla portu s0/1/1 (192.168.31.1 zamiast 192.168.13.1)
*ip address 192.168.13.1 255.255.255.252
– błędna nazwa username na R2 (r3>R3)
*username R3 password chap123
– brak ustawienia na R2 encapsulation ppp oraz ppp authentication chap
*encapsulation ppp
*ppp authentication chap
– na R1 ustawiona autoryzacja pap zamiast chap (s0/1/1)
*ppp authentication chap
– na R3 ustawiona błędnie autentykacja (zamiast R1 było R3)
*username R1 password chap123

Current configuration : 1726 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
enable secret 5 $1$51dB$ggPJFP5m31F.tl94Wuk7N0
!
no aaa new-model
dot11 syslog
ip source-route
!
!
!
!
ip cef
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
voice-card 0
!
!
!
!
!
username R1 password 0 chap123
username R3 password 0 chap123
archive
log config
hidekeys
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 209.165.200.225 255.255.255.252
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1/0
ip address 192.168.12.2 255.255.255.252
encapsulation ppp
no fair-queue
ppp authentication chap
!
interface Serial0/1/1
ip address 192.168.23.1 255.255.255.252
encapsulation ppp
clock rate 128000
ppp authentication chap
!
interface Serial0/2/0
no ip address
shutdown
clock rate 125000
!
interface Serial0/2/1
no ip address
shutdown
clock rate 125000
!
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
network 192.168.12.0 0.0.0.3 area 0
network 192.168.23.0 0.0.0.3 area 0
default-information originate
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Loopback0
no ip http server
no ip http secure-server
!
!
!
!
!
!
!
!
!
!
control-plane
!
!
!
ccm-manager fax protocol cisco
!
mgcp fax t38 ecm
!
!
!
!
!
banner motd ^CUnauthorized Access is Prohibited!^C
!
line con 0
password cisco
logging synchronous
login
line aux 0
line vty 0 4
password cisco
login
!
scheduler allocate 20000 1000
end