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Cisco Bug: CSCvh67947 - Packets RX for ~1.5 min after traffic stopped with port shaper of 30mbps

Last Modified

Jul 12, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

With port shaper of lower rates, even after stopping the input traffic, we see traffic at output for sometime.
For port shaper, the queue-limit of the buffer is based on the line rate (100Gbps) instead of the shaper rate. Hence large number of packets get buffered, which take a while to drain out due to the low shaper rate, even after traffic is stopped.

Issue seen with port shaper of low rate and when input traffic is stopped. The packets continue to be sent out for sometime.
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