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Cisco QOS Exam Certification Guide (IP Telephony Self-Study), Second Edition
book

Cisco QOS Exam Certification Guide (IP Telephony Self-Study), Second Edition

by Wendell CCIE No. 1624 Odom, Michael J. Cavanaugh
November 2004
Intermediate to advanced content levelIntermediate to advanced
768 pages
25h 41m
English
Cisco Press
Content preview from Cisco QOS Exam Certification Guide (IP Telephony Self-Study), Second Edition

Appendix D. LAN QoS Reference

“Why would I go through the hassle of configuring and managing QoS on my LAN, which is already overprovisioned? If I have to, I will just add more bandwidth!”

This is a common statement. Conventional wisdom dictates, “If you have enough bandwidth, you do not need QoS. QoS is only used for WAN links that do not have enough bandwidth. LANs have plenty of bandwidth, so you are safe.”

Although this sounds reasonable, it is not entirely accurate. Bandwidth is only one of the factors that need to be taken into consideration for a network that supports real-time applications.

This chapter discusses the capabilities of Cisco Catalyst LAN switches and examines some recommended configurations designed to prioritized real-time ...

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Publisher Resources

ISBN: 1587201240Purchase book