Cisco 2521LF - 2521LF Router Manual do Utilizador descarregar pdf (Página 48)

48

Copyright © 1997 Cisco Systems, Inc.

6-95CSE: Networking Fundamentals — WAN Basics

© 1999, Cisco Systems, Inc.

www.cisco.com

Separate “Conform” and

“Exceed” Actions

Coloring Engine

Coloring the Packets

Coloring the Packets

•Color closer to the application

•Set the DSCP (DiffServ Code Point) at the edge

of network

•Avoid host application-based coloring

VolP

VolP HTTP

FTP

FTP

Gold Class

Bronze Class

Platinum Class

VolP

VolP

HTTP

FTP

FTP

VolP

VolP

HTTP

HTTP

FTP

FTP

6-96CSE: Networking Fundamentals — WAN Basics

© 1999, Cisco Systems, Inc.

www.cisco.com

Step 3: Define Policies

for the Classes

Step 3: Define Policies

for the Classes

• Guarantee minimum

bandwidth

• Set maximum

bandwidth limits

• Assign priorities to

each class

• Manage congestion

When there is

congestion, deliver

gold traffic and drop

bronze traffic

“

”

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