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E5700 FC ports blocked by Cisco UCS 6454 Fabric InterConnect due to CRC Errors

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Applies to

  • E-series E5700
  • Cisco UCS 6454
  • 8Gbps SFP

Issue

E-series FC port getting large number of Bad Characters connected to Cisco UCS 6454 server, leading to FC port getting blocked
 
A:11/17/21, 4:59:23 AM (04:59:23) 28318 1017 Fibre channel link down - Host-side: controller in bay A, port 2
A:11/17/21, 5:00:24 AM (05:00:24) 28319 1019 Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay A, port 2
B:11/17/21, 5:14:08 AM (05:14:08) 28335 1017 Fibre channel link down - Host-side: controller in bay B, port 2
B:11/17/21, 5:15:09 AM (05:15:09) 28336 1019 Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay B, port 2

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