Cisco Bug: CSCvt67180 - N3K-C34200YC: CRC seen on 25g AOC links with portflap script/peer reload
Apr 20, 2020
- Cisco Nexus 9000 Series Switches
Known Affected Releases
Symptom: CRC errors on ports having SFP28 AOC cables. Conditions: CRC errors are seen when the peer switch goes for a reload on SFP28 AOC cables N3K-C34200YC-SM has passed the reload tests consisting of 100 reload test multiple times.but in one iteration issue is seen. CRC errors are seen when port flap script is run which will flap all the ports in a switch with range. N3K-C34200YC-SM passed port flap scripts multiple. But CRC is seen once on 77th iteration of port flap script. Reproduction of this issue is very difficult and seen very rare.
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