Information Technology Reference
In-Depth Information
ip address 172.16.7.5 255.255.255.252
clock rate 64000
no shutdown
!
interface Loopback1
ip address 209.165.202.129 255.255.255.252
!
router ospf 1
passive-interface FastEthernet0/0
passive-interface Loopback1
network 10.10.0.0 0.0.3.255 area 0
network 172.16.7.0 0.0.0.3 area 0
network 172.16.7.4 0.0.0.3 area 0
default-information originate
!
ip classless
!
!
ip route 0.0.0.0 0.0.0.0 Loopback1
!
!
line con 0
line vty 0 4
login
!
!
end
The errors in the student scripts are as follows:
The IP address of the FastEthernet 0/0 interface is incorrect.
■
The
default-information originate
command is missing from the OSPF configura-
tion.
■
The mask for the 10.10.0.0
network
statement should be 0.0.3.255.
■
Task 3: Troubleshoot the Branch1 Router
Begin troubleshooting at the host connected to the Branch1 router.
Step 1.
From the host PC1, is it possible to ping PC2?
no
From the host PC1, is it possible to ping PC3?
yes
From the host PC1, is it possible to ping the default gateway?
yes
Examine the Branch1 router to find possible configuration errors.
Step 2.
Begin by viewing the summary of status information for each interface on the router.
Are there any problems with the status of the interfaces?
The protocol is down on the Serial 0/0/0 interface.
Examine the interface configuration portion of the output of the
show running-configuration
command.
