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NetApp Knowledge Base

CX5 adapters don't link up with Cisco Nexus 5648Q

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Category:
aff-series
Specialty:
hw
Last Updated:

Applies to

  • CX5 40/100Gb/s adapters
  • AFF A400
  • ONTAP 9.7P10
  • Cisco Nexus 5648Q
    • NX-OS 7.3(1)N1(1) and 7.3(9)N1(1)
  • Copper cables

Issue

  • When using copper cables to connect a 40/100Gb port from a CX5 adapter to a Cisco Nexus 5648Q link never comes up

Example:

	slot 1: 40G/100G Ethernet Controller CX5
		e1a MAC Address:    b8:ce:f6:XX:YY:ZZ (auto-unknown-fd-down)
		    QSFP Vendor:         CISCO-TYCO
		    QSFP Part Number:    2821248-7
		    QSFP Serial Number:  XXXXXXXXXXX-A
		e1b MAC Address:    b8:ce:f6:XX:YY:AA (auto-unknown-fd-down)
		    QSFP Vendor:         CISCO-TYCO
		    QSFP Part Number:    2821248-7
		    QSFP Serial Number:  XXXXXXXXXXX-A
		Device Type:        CX5 PSID(NAP0000001002)
		Firmware Version:   16.26.4012
		Part Number:        MCX516A-CCAT_C21
		Hardware Revision:  B1
		Serial Number:      MT2105K09106         
  • Setting speed/duplex manually on ONTAP or the switch has no effect
  • Updating switch firmware to last version available has no effect
  • Connecting two ports of the same CX5 adapter with copper cable shows no problem
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