Alcatel-Lucent 7450 Quality Of Service Manual page 268

Service SAP QoS Policy Command Reference
minimal — Counter resource allocation: 1
offered-profile-no-cir — Counter resource allocation: 2
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Counter 0 indicates that the accounting statistic returns a value of zero.
The default stat-mode for a policer is minimal. The minimal mode allocates 1 forwarding
plane offered counter and one traffic manager discard counter. The forwarding counter is
derived by subtracting the discard counter from the offered counter. The counters do not
differentiate possible offered types (profile or priority) and do not count green or yellow
output. This does not prevent the policer from supporting different offered packet types and
does not prevent the policer from supporting a CIR rate.
This counter mode is useful when only the most basic accounting information is required.
The counters are used in the following manner:
1. offered = profile in/out, priority high/low
2. discarded = Same as 1
3. forwarded = Derived from 1 - 2
When collect-stats is enabled, the counters are used by the system to generate the following
statistics:
a. offered-in = 1
b. offered-out = 0
c. discard-in = 2
d. discard-out = 0
e. forward-in = 3
f. forward-out = 0
Counter 0 indicates that the accounting statistic returns a value of zero.
With minimal enabled as the policer stat-mode, the SAP offered stats for the policer returned
via MIB query and CLI show commands will return the following values:
i. offered-in = 1
ii. offered-out = 0
iii. offered-undefined = 0
iv. offered-managed = 0 (IMPM managed packets are not redirected from the policer)
Counter 0 indicates that the SAP policer statistic returns a value of zero.
The offered-profile-no-cir mode allocates two forwarding plane offered counters and two
traffic manager discard counters.
The offered-profile-no-cir mode is most useful when the policer is receiving only in-profile
and out-of-profile premarked (and trusted) packets. It is expected that in this instance a CIR
rate will not be defined since all packet are already premarked. This mode does not prevent
the policer from receiving untrusted (color undefined) nor does it prevent the policer from
being configured with a CIR rate.
The counters are used in the following manner:
1. offered-in = profile in
2. offered-out = profile out, priority high/low
3. dropped-in = Same as 1
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