Information Technology Reference
In-Depth Information
network 10.10.4.0 0.0.1.255 area 0
network 172.16.7.0 0.0.0.3 area 0
network 172.16.7.8 0.0.0.3 area 0
If you have recorded any commands in the previous step, apply them to the router configu-
ration now.
Step 6.
View the routing information.
Step 7.
If any changes were made to the configuration in the previous steps, view the routing
information again.
Does the information in the routing table indicate any configuration errors on the Branch1
router?
no
If the answer is
yes
, troubleshoot the routing configuration again.
What routes are shown in the routing table?
10.10.4.0 is directly connected
10.10.6.0 [110/65] via 172.16.7.10
172.16.7.0 is directly connected
172.16.7.8 is directly connected
Attempt to ping between the hosts again.
Step 8.
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 Serial 0/0/0 interface of the HQ router?
yes
From the host PC1, is it possible to ping the Serial 0/0/1 interface of the HQ router?
no
Task 4: Troubleshoot the HQ Router
Begin troubleshooting at the host PC2.
Step 1.
From the host PC2, is it possible to ping PC1?
no
From the host PC2, is it possible to ping PC3?
no
From the host PC2, is it possible to ping the default gateway?
no
Examine the HQ 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 status and protocol of the Serial 0/0/1 interface are both down.
The IP address of the FastEthernet 0/0 interface is incorrect
.
Examine the interface configuration portion of the output of the
show running-
configuration
command.
