导致适配器在 QLogic CNA 8324 上挂起的 CRC 错误

• QLogic CNA 8324
• Cisco Nexus 9372PX 交换机
  • NX-OS 版本 7.0 （ 3 ） i7 （ 9 ）
• 以太网流量控制

• 连接到 Nexus 交换机的 CNA 适配器会收到大量 CRC 错误
• CNA 固件不堪重负并挂起
• 端口不再传递流量
• 正在使用以太网流量控制

 -- interface e0g (3 days, 9 hours, 22 minutes, 14 seconds) -- RECEIVE Total frames: 818m | Frames/second: 2794 | Total bytes: 1390g Bytes/second: 4748k | Total errors: 877 | Errors/minute: 0 Total discards: 297 | Discards/minute: 0 | Multi/broadcast: 19080k Non-primary u/c: 0 | CRC errors: 870 | Runt frames: 0 Long frames: 7 | Length errors: 452 | Alignment errors: 0 No buffer: 297 | Pause: 0 | Jumbo: 144m Noproto: 0 | Bus overruns: 0 | LRO segments: 38092m LRO bytes: 1267g | LRO6 segments: 0 | LRO6 bytes: 0 Bad UDP cksum: 0 | Bad UDP6 cksum: 0 | Bad TCP cksum: 0 Bad TCP6 cksum: 0 | Mcast v6 solicit: 0 | Lagg errors: 0 Lacp errors: 0 | Lacp PDU errors: 0 TRANSMIT Total frames: 699m | Frames/second: 2389 | Total bytes: 49048m Bytes/second: 167k | Total errors: 0 | Errors/minute: 0 Total discards: 0 | Queue overflow: 0 | Multi/broadcast: 15065 Pause: 412 | Jumbo: 1177m | Cfg Up to Downs: 0 TSO segments: 425m | TSO bytes: 4877g | TSO6 segments: 0 TSO6 bytes: 0 | HW UDP cksums: 1146 | HW UDP6 cksums: 0 HW TCP cksums: 699m | HW TCP6 cksums: 0 | Mcast v6 solicit: 0 Lagg drops: 0 | Lagg no buffer: 0 | Lagg no entries: 0 DEVICE Mcast addresses: 3 | Rx MBuf Sz: 4096 LINK INFO Speed: 10000M | Duplex: full | Flowcontrol: full Media state: active | Up to downs: 26 

• 在连接到 CNA 适配器的交换机端口上可以看到输出错误

 Ethernet1/7 is up admin state is up, Dedicated Interface Hardware: 1000/10000 Ethernet, address: 64f6.9def.2f78 (bia 64f6.9def.2f78) Description: leeds_cluster-03_e0g MTU 9000 bytes, BW 10000000 Kbit, DLY 10 usec [...] RX 157979190732 unicast packets 729337 multicast packets 50257 broadcast packets 157979970326 input packets 327012079355616 bytes 50432168374 jumbo packets 0 storm suppression packets 0 runts 0 giants 0 CRC 0 no buffer 0 input error 0 short frame 0 overrun 0 underrun 0 ignored 0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop 0 input with dribble 0 input discard 175994 Rx pause TX 169609915193 unicast packets 439329493 multicast packets 397732360 broadcast packets 170446977046 output packets 206037673794876 bytes 24585796553 jumbo packets 101829 output error 0 collision 0 deferred 0 late collision 0 lost carrier 0 no carrier 0 babble 27974 output discard 0 Tx pause

• 没有其他交换机端口出现 CRC 或其他输入错误