Cisco Cable QOS monitor Cmts Enforce Rule Sample Rate

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This object represents the interval at which a decision would be made to check if the subscriber over consumed his resources based on the subscriber usage in the past duration. Since the duration can range between 10 minutes to 30 days hence the range of sample rate would change accordingly too. Some empirical calculations for the same are: The maximum memory to be used per line card for STM is 10 MBytes. The maximum number of modems that can be supported is 6000 per line card. Now, per sample memory consumption is 8 bytes hence approximately, the maximum number of samples that can be allowed are 10 * 10 ^ 6 / (6 * 10 ^ 3 * 2 * 8) ~ 100 Hence, given the duration the sample rate would be calculated as duration / 100 = sample rate only if the duration happens to be more than 1440. For cases when the duration is less than 1440, the sample rate range would be between 10 to 30. This object cannot be changed when ccqmCmtsEnfRuleRowStatus is active(1).