Thursday, February 26, 2015

6.4.1.5 Packet Tracer - Configuring IPv4 Route Summarization - Scenario 1 Instructions

Packet Tracer - Configuring IPv4 Route Summarization - Scenario 1


Topology
6.4.1.5 Packet Tracer - Configuring IPv4 Route Summarization - Scenario 1 Instructions
6.4.1.5 Packet Tracer - Configuring IPv4 Route Summarization - Scenario 1 Instructions
Addressing Table

Device
Interface
IPv4 Address
Subnet Mask
Default Gateway
R1
G0/0
172.31.157.1
255.255.255.192
N/A
S0/0/0
172.31.157.97
255.255.255.252
N/A
R2
G0/0
172.31.157.65
255.255.255.224
N/A
S0/0/0
172.31.157.98
255.255.255.252
N/A
S0/0/1
172.22.1.129
255.255.255.224
N/A
R3
G0/0
172.22.1.161
255.255.255.224
N/A
S0/0/1
172.22.1.158
255.255.255.224
N/A
PC1
NIC
172.31.157.62
255.255.255.192
172.31.157.1
PC2
NIC
172.31.157.94
255.255.255.224
172.31.157.65
PC3
NIC
172.22.1.190
255.255.255.224
172.22.1.161
Objectives

Part 1: Calculate Summary Routes
Part 2: Configure Summary Routes
Part 3: Verify Connectivity

Background

In this activity, you will calculate and configure summary routes. Router summarization, also known as route aggregation, is the process of advertising a contiguous set of addresses as a single address.

Part 1:     Calculate Summary Routes

Step 1:     Calculate a summary route on R1 to reach LANs on R3.

a.     List the 172.22.1.128/27 and 172.22.1.160/27 networks in binary format.
172.22.1.128: 10101100.00010110.00000001.10000000
172.22.1.160: 10101100.00010110.00000001.10100000
b.    Count the left-most matching bits to determine the mask for the summary route. They have 26 left-most bits in common.
172.22.1.128: 10101100.00010110.00000001.10000000
172.22.1.160: 10101100.00010110.00000001.10100000
c.     Copy the matching bits and fill in the remaining bits with zeros to determine the summarized network address.
10101100.00010110.00000001.10000000
d.    What is the summarized network address and subnet mask? ___________________________________

Step 2:     Calculate a summary route on R3 to reach LANs on R1 and R2.

a.     Calculate the summary route for the 172.31.157.0/26, 172.31.157.64/27, and 172.31.157.96/30 networks. List the networks in binary format. Then, count the left-most matching bits to determine the mask for the summary route.
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
b.    What is the summarized network address and subnet mask? ___________________________________

Part 2:     Configure Summary Routes

Step 1:     Configure a summary route for R1.

Configure the recursive summary route that you calculated in Part 1, Step 1
.
Step 2:     Configure a summary route for R3.

Configure the directly attached summary route that you calculated in Part 1, Step 2.

Part 3:     Verify Connectivity


Verify that all PC hosts and routers can ping other PC hosts and routers in the topology. If not, troubleshoot and correct the issues.

No comments:

Post a Comment