Information Technology Reference
In-Depth Information
Discover points where the network is not converged
Gather information about errors in the network
Propose solutions to network errors
Implement solutions to network errors
Document the corrected network
Scenario
In this lab, you will begin by loading configuration scripts on each of the routers. These scripts con-
tain errors that will prevent end-to-end communication across the network. You will need to trou-
bleshoot each router to determine the configuration errors, and then use the appropriate commands to
correct the configurations. When you have corrected all the configuration errors, all the hosts on the
network should be able to communicate with each other.
Figure 2-12 shows the topology for this lab, and Table 2-5 shows the IP addressing, subnet, and
default gateway information for the devices in the topology.
Figure 2-12
Topology Diagram for Lab 2-3
172.20.0.128/25
PC2
Fa0/0
HQ
S0/0/1
DCE
S0/0/0
172.20.1.0/25
192.168.38.252/30
192.168.39.64/26
172.20.1.128/25
S0/0/0
DCE
S0/0/1
Fa0/0
Fa0/0
Branch
ISP
Web
Server
PC1
Table 2-5
Addressing Table for Lab 2-3
Device
Interface
IP Address
Subnet Mask
Default Gateway
BRANCH
Fa0/0
172.20.1.129
255.255.255.128
S0/0/0
172.20.1.1
255.255.255.128
HQ
Fa0/0
172.20.0.129
255.255.255.128
S0/0/0
172.20.1.2
255.255.255.128
S0/0/1
192.168.38.254
255.255.255.252
ISP
FA0/0
192.168.39.65
255.255.255.192
S0/0/1
192.168.38.253
255.255.255.252
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