Sybex CCNA 640-802 VLSMs,
Summarization, and Troubleshooting
TCP/IP
Instructor & Todd Lammle
Chapter 5 Objectives
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Implement an IP addressing scheme and IP Services
to meet network requirements in a medium-size
Enterprise branch office network
Implement static and dynamic addressing services
for hosts in a LAN environment
Calculate and apply an addressing scheme including
VLSM IP addressing design to a network
Determine the appropriate classless addressing
scheme using VLSM and summarization to satisfy
addressing requirements in a LAN/WAN environment
Identify and correct common problems associated
with IP addressing and host configurations
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Variable Length Subnet Masks
(VLSM)
Classful network
Variable Length Subnet Masks
(VLSM)
Classless design
VLSM Worksheet
VSLM, Example 1
VLSM Example 1
VLSM, Example 2
Which IP address will be placed in each
router’s FastEthernet 0/0 interface and serial
0/1 of RouterB?
Answer
Summary Example
Troubleshooting
Why can’t the Sales LAN get to Server A?
Why can’t hosts in the Sales
LAN get to Server B?
What can the host address be?
Which addresses can you
assign to the hosts?
Which IP addresses can you
assign?
Summary
– Open your books and go through all the
written labs and the review questions.
– Review the answers in class.
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