QoS LLQ Congestion

Good day,
Can someone explain to me how LLQ determines that an interface is congested?
Thank you
Can someone explain to me how LLQ determines that an interface is congested?
Thank you
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Comments
Kevin wallace breaks down QOS very well in this video. I forgot where he talked LLQ, but its in here.
CUCM SRND 9x/10, UCCX SRND 10x, QOS SRND, SIP Trunking Guide, anything contact center related
If it is nested in a shaping policy yes when the shape rate is hit.