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DAC cable for FEX and Nexus 5000

chuckk281
Trusted Contributor

DAC cable for FEX and Nexus 5000

Pierre had a customer cable question:

 

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I have a customer that use HP BLc Cisco B22HP Fabric Ext Module with Nexus 5000, he bought DAC cable (487654-001) 1 meter. He is experiencing problem with 30 % of the cables, he bought 100 of them.  

 

He did start to buy cisco cable and have not issues, is there a known issue with HP cables?

 

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Comment from Lawrance:

 

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What sort of problems is your customer experiencing with the cables?

 

The part number looks like a “spare part” type of part number.  The equivalent HP “Cisco” cables that I have are as follows:

 

HP C-Series SFP+ to SFP+ Copper 3.0m Direct Attach Cable - AP784A

HP C-Series SFP+ to SFP+ Copper 5.0m Direct Attach Cable - AP785A

 

These are listed as certified on the Cisco Nexus 2K/5K certification Matrix.

 

The Cisco part number for the DAC cables is SFP-H10GB-CU3M

 

http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10110/data_sheet_c78-568589_ps9670_Products_Data_Sheet.html

 

There are certain minimum firmware versions that Cisco require for these cables as per the weblink above.  Perhaps your customer has old firmware on their Cisco switches?

 

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Comments or suggestions?