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the caculation of CB-QOS' s policy drop (%)

policy drop percentage=100*delta(cbQosCMDropBytes64)/delta(cbQosCMPrePolicyBytes64)

where

MIB CISCO-CLASS-BASED-QOS-MIB

Name cbQosCMDropPkt64

OID 1.3.6.1.4.1.9.9.166.1.15.1.1.14

Type Counter

Units

Access read-only

Status mandatory

The 64 bits counter of dropped pkts per class as

the result of all features that can produce drops

(e.g. , police , random detect , etc.).

MIB CISCO-CLASS-BASED-QOS-MIB

Name cbQosCMPrePolicyByte64

OID 1.3.6.1.4.1.9.9.166.1.15.1.1.6

Type Counter

Units

Access read-only

Status mandatory

The 64 bits count of inbound octets prior to executing

any QoS policies.

we found that in some instances, the result can be > 1 or division by zero. I'd like to know if the two counters are not fully synchronized in the same polling interval?

Any advice is highly appreciated!

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Re: the caculation of CB-QOS' s policy drop (%)

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