What SFP+ Modules does the 10Gbps card support   |   10Gbe adapter not online


What SFP+ Modules does the 10Gbps card support   |   Intel-x520 10Gbe adapter not online


You are trying to connect SFP or SFP+ adapter card in a Unitrends Physical appliance and the link state is not establishing.  

Note, for generation 7 82xS units and higher, Unitrends includes 2x10gbit rj45 copper support.  This article is specific to SFP+ support which is an optional add-in card on some models not included by default. Option for this card will depend on other optional add-ins and may not be compatible with all models. 

Unitrends provided 10Gbe card is not coming online or showing a link, but is seen by the RecoveryOS.


You must have the correct SFP+ Optical Module (transceiver) installed in order to ensure the Unitrends system can communicate with the Switch hardware. This is not a GBIC, it is SFP.

According to the Intel SFP Optics Brief, the following two modules are acceptable:

   E10GSFPSR – Intel® Ethernet SFP+ SR Optic
   E10GSFPLR – Intel® Ethernet SFP+ LR Optic

Cable commonly used for communication between SFP+ is Intel Ethernet SFP+ Twinaxial Cable XDACBL

For SFP to RJ45 connection, the following adapter available from several resellers is supported:

   10Gtek Intel Compatible 10GBase-T SFP+ 10 Gigabit RJ45 Copper Transceiver 30-Meter


You can use the ethtool to determine if the card is identified and connected using the command  
ethtool <interface>
The interface value is what you would find identified using the command ifconfig.
[[email protected]_BETA_91 ~]# ifconfig
eth5      Link encap:Ethernet  HWaddr 00:0f:99:04:63:C9
          inet addr:  Bcast:  Mask:

Successful results will look something like this (see bold items) showing the results of yes for Link Connected, and the properties of Speed, Duplex, and Port:
[[email protected]_BETA_91 ~]# ethtool eth5
Settings for eth5:
        Supported ports: [ TP ]
        Supported link modes:   1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: No
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Speed: 10000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: off
        MDI-X: Unknown
        Supports Wake-on: uag
        Wake-on: d
        Link detected: yes



When using any SFP module other than the specific intel brands noted above the SFP module will not function.   When installing SFP fiber modules, it is important that the SFP module on each end be specific to the switch and/or card used.  It is commonly NOT expected that the same SFP module be used on both ends of the connection, in fact, typically they will be different. 



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