Creating single-rate and twin-rate policers, Creating single-rate and twin-rate policers 3, Single-rate and twin-rate policer commands 3 – Allied Telesis AT-8100 Series User Manual
Page 1663
AT-8100 Switch Command Line User’s Guide
1663
Creating Single-rate and Twin-rate Policers
A policer can be used to meter the traffic classified by a class map and, as
a result, non-conforming traffic is given a red bandwidth class:
There are two types of policers, single-rate and twin-rate. A single-rate
policer allows you to determine the following:
Committed Information Rate (CIR)
Committed burst size (CBS)
Excess Burst Size (EBS)
A twin-rate policer allows you to determine the CIR and CBS as well as
two additional values:
CIR
CBS
Peak Information Rate (PIR)
Peak Burst Size (PBS)
If traffic does not conform to the conditions set in the command, both the
single-rate and twin-rate policer can either drop or remark traffic. There are
two commands that allow you create policers, POLICE SINGLE-RATE
ACTION and POLICE TWIN-RATE ACTION. See Table 212.
For more information about these commands, see “POLICE SINGLE-
RATE ACTION” on page 1651 and “POLICE TWIN-RATE ACTION” on
page 1654.
Table 212. Single-rate and Twin-rate Policer Commands
To Do this Task
Use this Command
Sets a single-rate policer for a class-map.
police single-rate <
cir>
action
[drop-red|policed-dscp-transmit]
Sets a twin-rate policer for a class-map.
police twin-rate <
cir>
action
[drop-red|policed-dscp-transmit]