This sets how often the card re-raises an alert for the switching-port-level Pearl ASIC's CBR (constant bit rate) queue overflow condition, distinct from the card-wide ingress alerts tracked elsewhere on this card. Because CBR traffic, typically voice or circuit emulation, is the most latency-sensitive class, an admin seeing this specific SP-level CBR overflow alert repeat frequently should treat it more urgently than a similar VBR or ABR overflow, since CBR overflows directly threaten real-time traffic quality. For example, recurring CBR overflow alerts on the switching port ASIC point an admin toward a voice or CBR provisioning imbalance on that port rather than a general data congestion issue.