Juniper EX9200 Series, Features Manual

Page: 199 / 278

network node, and any preexisting color markings are used in determining the
appropriate policing action for the packet.
Because you are applying this three-color policer applied to input at Layer 2, you
must configure the policer to be color-blind.
4.
Specify the policer traffic limits used to classify a green traffic flow.
[edit firewall three-color-policer trTCM2-cb]
user@host#
set two-rate committed-information-rate 40m
user@host# set two-rate committed-burst-size 100k
5.
Specify the additional policer traffic limits used to classify a yellow or red traffic
flow.
[edit firewall three-color-policer trTCM2-cb]
user@host#
set two-rate peak-information-rate 60m
user@host# set two-rate peak-burst-size 200k
6.
(Optional) Specify the configured policer action for packets in a red traffic flow.
[edit firewall three-color-policer trTCM2-cb]
user@host#
set action loss-priority high then discard
In color-aware mode, the three-color policer configured action can increase the
packet loss priority (PLP) level of a packet, but never decrease it. For example, if a
color-aware three-color policer meters a packet with a medium PLP marking, it can
raise the PLP level to high, but cannot reduce the PLP level to low.
Results Confirm the configuration of the three-color policer by entering the
show firewall
configuration mode command. If the command output does not display the intended
configuration, repeat the instructions in this procedure to correct the configuration.
[edit]
user@host#
show firewall
three-color-policer trTCM2-cb {
logical-interface-policer;
action {
loss-priority high then discard;
}
two-rate {
color-blind;
committed-information-rate 40m;
committed-burst-size 100k;
peak-information-rate 60m;
peak-burst-size 200k;
}
}
Applying the Three-Color Policer to the Layer 2 Input at the Logical Interface
Step-by-Step
Procedure
To apply the three-color policer to the Layer 2 input at the logical interface:
Enable application of Layer 2 logical interface policers.
[edit]
1.
user@host# edit interfaces ge-1/3/1 unit 0
181 Copyright © 2016, Juniper Networks, Inc.
Chapter 16: Two-Color and Three-Color Logical Interface Policers