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cdxQosIfRateLimitShpGranularity
Cisco DOCSIS Qos If Rate Limit Shp Granularity
1.3.6.1.4.1.9.9.116.1.1.2.1.4
The width in milliseconds of each element in shaping delay queue, that is, the shaping granularity. The shaping granularity is only applied to rate limit algorithm: Token bucket algorithm with shaping. It controls how accurately the algorithm quantizes the shaping delay for a rate exceeded flow. If granularity is large, several shaping delay values will all be quantized to the same element in the queue resulting in less accurate rate shaping for the flows in bits/sec. On the other hand, choosing too small granularity causes more memory to be used for the shaper block, and also can cost a bit more in runtime overhead. If the rate limit algorithm is not Token bucket algorithm with shaping, the value is always na(1) which is not applicable. The enumerations for shaping granularity are: na(1): shaping granularity is not applied to the current rate limit algorithm msec1(2): shaping granularity in 1 milliseconds msec2(3): shaping granularity in 2 milliseconds msec4(4): shaping granularity in 4 milliseconds msec8(5): shaping granularity in 8 milliseconds msec16(6): shaping granularity in 16 milliseconds The downstream shaping granularity is configurable and the default value is msec4(4). Whenever the downstream rate limit algorithm is changed to Token bucket algorithm with shaping from other rate limit algorithm, the value will be reset to the default value. The upstream shaping granularity is not configurable and it is read-only value.
Back to CISCO-DOCS-EXT-MIB MIB page.
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