Applies to Cisco Nexus 55xx series Cisco Nexus 50x0 series Description This article describes the procedure to track CRCs in a Cisco Nexus environment. For Cisco Nexus models not in the 55xx or 50x0 s...Applies to Cisco Nexus 55xx series Cisco Nexus 50x0 series Description This article describes the procedure to track CRCs in a Cisco Nexus environment. For Cisco Nexus models not in the 55xx or 50x0 series, please open a case with Cisco Support.