cdxIfCmtsCmStatusDynSidCount 1.3.6.1.4.1.9.9.116.1.3.2.1.10

The number of active dynamic SIDs on this modem. Prior to getting the assigned the Service Flow IDs(SFID) the CM must must complete a number of protocol transactions. The CMTS assigns a temporary Service ID (SID) to complete these steps.