CHAPTER 6
Two-Color and Three-Color Policers at
Layer 2
•
Two-Color Policing at Layer 2 Overview on page 39
•
Three-Color Policing at Layer 2 Overview on page 41
•
Example: Configuring a Three-Color Logical Interface (Aggregate) Policer on page 42
Two-Color Policing at Layer 2 Overview
This topic covers the following information:
•
Guidelines for Configuring Two-Color Policing of Layer 2 Traffic on page 39
•
Statement Hierarchy for Configuring a Two-Color Policer for Layer 2 Traffic on page 39
•
Statement Hierarchy for Applying a Two-Color Policer to Layer 2 Traffic on page 40
Guidelines for Configuring Two-Color Policing of Layer 2 Traffic
The following guidelines apply to two-color policing of Layer 2 traffic:
•
You can apply a two-color policer to ingress or egress Layer 2 traffic at a logical interface
hosted on a Gigabit Ethernet interface (
ge-
) or a 10-Gigabit Ethernet interface (
xe-
)
only.
•
A single logical interface supports Layer 2 policing in both directions.
•
You can apply a two-color policer to Layer 2 traffic as a logical interface policer only.
You cannot apply a two-color policer to Layer 2 traffic as a stateless firewall filter
action.
•
You can apply a two-color policer to Layer 2 traffic by referencing the policer in the
interface configuration at the logical unit level, and not at the protocol level.
For information about configuring three-color policing of Layer 2 traffic, see
Policing at Layer 2 Overview” on page 41
Statement Hierarchy for Configuring a Two-Color Policer for Layer 2 Traffic
To enable a single-rate two-color policer to rate-limit Layer 2 traffic, include the
logical-interface-policer
statement in the
policer
configuration.
firewall {
39
Copyright © 2016, Juniper Networks, Inc.
Summary of Contents for EX9200 Series
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