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Cisco Bug: CSCvu87754 - 100M shaper will introduce inaccurate throughput with traffic oversubscribed on ISR1100-4G

Last Modified

Oct 19, 2020

Products (1)

  • Cisco SD-WAN

Known Affected Releases

19.2.1 20.1.0

Description (partial)

We cannot get expected throughput in certain condition when QoS is enabled on a 100M speed interface.

This can be observed under following conditions.
- Interface speed is only 100M or the interface speed is 1G but a 100M shaper is configured on it.
- QoS is enabled with 'cloud-qos' configuration
- Incoming traffic is oversubscribed: rate > 100M
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