You can apply a logical interface policer to unicast traffic only. For information about
configuring a stateless firewall filter for flooded traffic, see “
Applying Forwarding Table
Filters
” in the “Traffic Sampling, Forwarding, and Monitoring” section of the
Routing
Policies, Firewall Filters, and Traffic Policers Feature Guide
.
To display a logical interface policer on a particular interface, issue the
show interfaces
policers
operational mode command.
Related
Documentation
Two-Color Policer Configuration Overview on page 49
•
•
Three-Color Policer Configuration Overview on page 145
•
Example: Configuring a Two-Color Logical Interface (Aggregate) Policer on page 172
•
Example: Configuring a Three-Color Logical Interface (Aggregate) Policer on page 42
•
interface-specific (Firewall Filters)
•
logical-interface-policer on page 222
Example: Configuring a Two-Color Logical Interface (Aggregate) Policer
This example shows how to configure a single-rate two-color policer as a logical interface
policer and apply it to incoming IPv4 traffic on a logical interface.
•
•
•
•
Requirements
Before you begin, make sure that the logical interface to which you apply the two-color
logical interface policer is hosted on a Gigabit Ethernet interface (
ge-
) or a 10-Gigabit
Ethernet interface (
xe-
).
Overview
In this example, you configure the single-rate two-color policer
policer_IFL
as a logical
interface policer and apply it to incoming IPv4 traffic at logical interface
ge-1/3/1.0
.
Topology
If the input IPv4 traffic on the physical interface
ge-1/3/1
exceeds the bandwidth limit
equal to 90 percent of the media rate with a 300 KB burst-size limit, then the logical
interface policer
policer_IFL
rate-limits the input IPv4 traffic on the logical interface
ge-1/3/1.0
. Configure the policer to mark nonconforming traffic by setting packet loss
priority (PLP) levels to
high
and classifying packets as
best-effort
.
As the incoming IPv4 traffic rate on the physical interface slows and conforms to the
configured limits, Junos OS stops marking the incoming IPv4 packets at the logical
interface.
Copyright © 2016, Juniper Networks, Inc.
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