Juniper EX9200 Series, Features Manual

Page: 67 / 278

PART 3
Configuring Two-Color Traffic Policers at
Layer 3
• Two-Color Policer Configuration Overview on page 49
• Basic Single-Rate Two-Color Policers on page 55
•
Bandwidth Policers on page 75
•
Filter-Specific Counters and Policers on page 85
• Prefix-Specific Counting and Policing Actions on page 97
• Multifield Classification on page 115
•
Policer Overhead to Account for Rate Shaping in the Traffic Manager on page 135
Two-Color Policer Configuration Overview
Table 7 on page 49 describes the hierarchy levels at which you can configure and apply
single-rate two-color policers to Layer 3 traffic. For information about applying single-rate
two-color policers to Layer 2 traffic, see
“Two-Color Policing at Layer 2 Overview” on
page 39 .
Table 7: Two-Color Policer Configuration and Application Overview
Key Points Layer 3 Application Policer Configuration
Single-Rate Two-Color Policer
Defines traffic rate limiting that you can apply to Layer 3 protocol-specific traffic at a logical interface. Can be applied as an interface
policer or as a firewall filter policer.
Policer configuration:
Method A—Apply as an interface policer at the
protocol family level:
[edit interfaces]
Basic policer configuration:
[edit firewall]
policer policer-name {
if-exceeding {
• Use bandwidth-limit bps to
specify an absolute value.
interface-name {
Firewall filter configuration ( * )
bandwidth-limit
bps;
burst-size-limit bytes;
unit unit-number {
family family-name {
• If applying to multiple
interfaces, include the
}
then {
policer {
input policer-name;
interface-specific
statement
discard;
output policer-name;
to create unique policers and
counters for each interface.
forwarding-class class-name;
loss-priority supported-value;
}
}
}
}
49 Copyright © 2016, Juniper Networks, Inc.