About Policy-Based Routing - Cisco Catalyst 4500 Series Configuration Manual

Configuring Policy-Based Routing
This chapter describes the tasks for configuring policy-based routing (PBR) on a Catalyst 4500 series
switch and includes these major sections:
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Note For complete syntax and usage information for the switch commands used in this chapter, first look at
the Cisco Catalyst 4500 Series Switch Command Reference and related publications at this location:
http://www.cisco.com/en/US/products//hw/switches/ps4324/index.html
If the command is not found in the Catalyst 4500 Series Switch Command Reference, it will be found in
the larger Cisco IOS library. Refer to the Cisco IOS Command Reference and related publications at this
location:
http://www.cisco.com/en/US/products/ps6350/index.html
To identify the hardware platform or software image information associated with a feature, use the
Note
Feature Navigator on Cisco.com to search for information about the feature or refer to the software
release notes for a specific release.

About Policy-Based Routing

This section contains the following subsections:
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PBR gives you a flexible method of routing packets by allowing you to define policies for traffic flows,
lessening reliance on routes derived from routing protocols. PBR gives you more control over routing
by extending and complementing the existing mechanisms provided by routing protocols. PBR allows
you to specify paths for certain traffic, such as priority traffic over a high-cost link.
OL-25340-01
About Policy-Based Routing, page 38-1
Policy-Based Routing Configuration Tasks, page 38-5
Policy-Based Routing Configuration Examples, page 38-8
About PBR, page 38-2
Using Policy-Based Routing, page 38-5
C H A P T E R
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
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