DIGITAL GIGAswitch/Router User Reference Manual
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Chapter 13
IP Policy-Based
Forwarding
Configuration
Guide
Overview
You can configure the GSR to route IP packets according to policies that you define. IP-
policy-based routing allows network managers to engineer traffic to make the most
efficient use of their network resources.
IP policies forward packets based on layer-3 or layer-4 IP header information. You can
define IP policies to route packets to a set of next-hop IP addresses based on any
combination the following IP header fields:
•
IP protocol
•
Source IP address
•
Destination IP address
•
Source Socket
•
Destination Socket
•
Type of service