Quality of Service
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CLI Configuration Guide
Alcatel-Lucent
Two Rate Three Color Marker (trTCM)
meters an IP Packet stream and marks
its packets based on two rates, Peak Information Rate (PIR) and Committed
Information Rate (CIR), and their associated burst sizes to be red (exceeds PIR),
yellow (exceeds CIR) or green (does not exceed CIR).
The following command is used to apply policing on the traffic class. The
committed-rate
keyword is compulsory. The
excess-burst
keyword must be
given if
exceed-action
parameter is set. Action could be any one of the following:
1.
Drop
2.
Transmit
3.
Set (marks the packet either in IP-precedence or IP-DSCP fields)
Refer ‘
Appendix B - QoS Values and Mnemonics
’ for IP-DSCP, IP-Precedence,
and ToS mnemonics.
Command (in Class Mode)
Description
police
{
committed-rate
<
8000-10000000>
}
[
commit-action
{
drop
|
set
{
ecn-ce
|
fr-becn
|
fr-de
|
fr-
fecn
|
ip-dscp
{
<0-63>
|
<dscp-
mnemonics>
}|
ip-precedence
{
<0-7>
|
<precedence-
mnemonics>
}|
tos
{
<0-
15>
|
<tos-mnemonics>
}
|
transmit
}]
[
committed-burst
{<
40-
150000
>
exceed-action
{
drop
|
set
{
ecn-ce
|
fr-
becn
|
fr-de
|
fr-fecn
|
ip-dscp
{
<0-63>
|
<dscp-mnemonics>
}|
ip-precedence
{
<0-7>
|
<precedence-mnemonics>
}|
tos
{
<0-15>
|
<tos-
mnemonics>
}|
transmit
}]
[
excess-burst
{<
40-150000>
violate-action
{
drop
|
set
{
ecn-ce
|
fr-becn
|
fr-de
|
fr-
fecn
|
ip-dscp
{
<0-63>
|
<dscp-
mnemonics>
}|
ip-precedence
{
<0-7>
|
<precedence-
mnemonics>
}|
tos
{
<0-
15>
|
<tos-mnemonics>
}
|
transmit
}]
[
peak-rate
<8000-10000000>
]
This command sets the QoS traffic policing
parameters on the traffic class.
Note:
Excess-Burst cannot be less
than Committed-Burst.
Exceed-Action will be of no
effect if Commit-Action is set to
‘drop’.
Violate-Action will be of no
effect if Exceed-Action is set to
‘drop’.
Peak rate cannot be less than
the Committed-rate.
Policing is allowed at leaf class
only.
If Shaper is already
configured, policer is not
allowed in the same class.
Marking of the FECN, BECN,
and DE bits is applicable only
on the FR interface.
no police
This command removes the configured
police on the traffic class of the policy map.
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