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Ethernet ports connected to Cisco switch do not come online immediately after reboot

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Applies to

  • AFF-A400
  • FAS8300
  • ONTAP 9
  • Cisco Nexus 9000 Series Switches

Issue

  • Ports e0e to e0h link up delay occurs after reboot.
  • The issue is randomly seen across ports e0e to e0h.

         slot 0: 10G/25G Ethernet Controller CX5-Mezz
                        e0e MAC Address:    XX:XX:XX:XX:XX:XX (auto-10g_sr-fd-up)
                            SFP Vendor:         FINISAR CORP.
                            SFP Part Number:    FTLX8574D3BCL
                            SFP Serial Number:  XXXXXXX
                        e0f MAC Address:    XX:XX:XX:XX:XX:XX (auto-unknown-fd-down)
                            SFP Vendor:         FINISAR CORP.
                            SFP Part Number:    FTLX8574D3BCL
                            SFP Serial Number:  XXXXXXX
                        Device Type:        CX5 PSID(NAP0000000007)
                        Firmware Version:   16.26.4012
            slot 0: 10G/25G Ethernet Controller CX5-Mezz
                        e0g MAC Address:    XX:XX:XX:XX:XX:XX (auto-10g_sr-fd-up)
                            SFP Vendor:         FINISAR CORP.
                            SFP Part Number:    FTLX8574D3BCL
                            SFP Serial Number:  XXXXXXX
                        e0h MAC Address:    XX:XX:XX:XX:XX:XX (auto-unknown-fd-down)
                            SFP Vendor:         FINISAR CORP.
                            SFP Part Number:    FTLX8574D3BCL
                            SFP Serial Number:  XXXXXXX
                        Device Type:        CX5 PSID(NAP0000000007)
                        Firmware Version:   16.26.4012

  • Ports are able to come up after reseating the cables.
  • 10G SR SFPs are used on Cisco switch.

        show int transceiver detail  on Cisco log:

Ethernet1/1
    transceiver is present
    type is 10Gbase-SR
    name is CISCO-ACCELINK
    part number is RTXM228-551-C98
    revision is 1.0
    serial number is XXXXXXXXXXX
    nominal bitrate is 10300 MBit/sec
    Link length supported for 50/125um OM2 fiber is 82 m
    Link length supported for 62.5/125um fiber is 26 m
    Link length supported for 50/125um OM3 fiber is 300 m
    cisco id is 3
    cisco extended id number is 4
    cisco part number is 10-2415-03
    cisco product id is SFP-10G-SR
    cisco version id is V03

 

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