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从40GbE转换到100GbE后、T6端口出现CRC错误

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适用场景

  • AFF A800、AFF C800、ASA A800、[1]插槽1中具有板载t6端口e0a和e0b (T62100-Mezz)以及T62100-CR (P/N X11406A) NIC的ASA C800
  • AFF A320板载t6端口e0g和e0h (T62100-Sabr)
  • IO模块、2端口MC IP、40GbE QSFP+、100GbE QSFP28 (P/N X91166A)- T62100-CR
  • 2个100GbE iWARP QSFP28 NIC (P/N X1166A)- T62100-CR

问题描述

  • 在将基于t5的以太网端口从40GbE 速度转换为100GbE速度后、由于以太网数据包损坏、报告的CRC错误数量持续较多。
  • 将40GbE端口转换为100GbE端口后、链路参数不会被清除、从而导致生成格式错误的数据包。
  • 在某些情况下、收到这些损坏的数据包可能会导致系统中断(数据中断)。示例:
    • Vifmgr"崩溃"、并导致NAS协议中断。报告的ONTAP事件消息示例:
      • [node_name: vifmgr: vifmgr.startup.merge.err:error]: The Logical Interface Manager (VIFMgr) encountered errors during startup.
      • vifmgr.startup.failover.err: VIFMgr encountered errors during startup.
      • vifmgr.dbase.checkerror: VIFMgr experienced an error verifying cluster database consistency. Some LIFs might not be hosted properly as a result.
  • 在以下示例场景中、可能会发生端口速度更改。示例:

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