Hierarchical policing is a form of two-color policing that applies different policing actions
based on whether the packets are classified for expedited forwarding (EF) or for a lower
priority. You apply a hierarchical policer to ingress Layer 2 traffic to allows bursts of EF
traffic for short period and bursts of non-EF traffic for short periods, with EF traffic always
taking precedence over non-EF traffic.
Options
percentage
—Traffic rate as a percentage of either the physical interface media rate or
the logical interface configured shaping rate. You can configure a shaping rate on a
logical interface by using class-of-service statement.
NOTE:
You cannot rate-limit based on bandwidth percentage for tunnel or
software interfaces. The bandwidth percentage policer also cannot be used
for forwarding table filters. Bandwidth percentage policers can only be used
for interface-specific filters. Bandwidth percentage policers applied on an
aggregated Ethernet bundle or an aggregated SONET bundle do match the
effective bandwidth and burst-size to user-configured values by default and
do not require
shared-bandwidth-policer
configuration.
Range:
0 through 100
Default:
None.
Required Privilege
Level
firewall—To view this statement in the configuration.
firewall-control—To add this statement to the configuration.
Related
Documentation
•
Two-Color Policer Configuration Overview on page 49
•
Policer Bandwidth and Burst-Size Limits
•
Policer Color-Marking and Actions on page 18
•
Single Token Bucket Algorithm on page 20
•
Determining Proper Burst Size for Traffic Policers on page 30
•
•
bandwidth-limit (Policer) on page 199
•
burst-size-limit (Policer) on page 203
Copyright © 2016, Juniper Networks, Inc.
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Traffic Policers Feature Guide for EX9200 Switches
Summary of Contents for EX9200 Series
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