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10G SPF+ to 1Gb rj45

Discussion in 'Networking' started by manfromafar, Jan 10, 2017.

  1. manfromafar

    manfromafar New Member

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    Hello all,

    So recently I purchased a server off ebay.ca (24 Bay FreeNAS Chenbro RM41824 4u 2x E5-2650, 64GB RAM, 3x LSI SAS9211-8i, | eBay). Now without thinking about it I didn't notice that the only way other then the impi to connect the server to the network is using the dual 10Gb SFP+ ports.

    For now I would like to avoid upgrading the entire network to 10Gb. I have found some 1gbit rj45 transceivers but I am unsure as to if they would work in the server for taking the 10Gb spf+ port down to a 1Gb rj45 port.

    Links:
    Server: 24 Bay FreeNAS Chenbro RM41824 4u 2x E5-2650, 64GB RAM, 3x LSI SAS9211-8i, | eBay
    Transceiver: FiberHal for Cisco GLC-T Copper SFP Module, Gigabit RJ45 Mini-GBIC, 1000Base-T SFP Transceiver, Reach 100m: Amazon.ca: Tools & Home Improvement
    Model of Nic provided by Ubuntu intel: 82599es 10 gigabit sfp+

    If this is possible I would greatly appreciate any feedback.

    Thanks,
     
    #1
  2. Jon Massey

    Jon Massey Active Member

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    No room for a 1GbE NIC in the server?
     
    #2
  3. manfromafar

    manfromafar New Member

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    Currently no as all pci-e slots are taken by the lsi cards.
     
    #3
  4. Keljian

    Keljian Active Member

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    What about a mikrotik CRS210?
     
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  5. Peanuthead

    Peanuthead Active Member

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    I am showing the server to be RJ45. Are you hooking up into a 1Gb SFP switch?
     
    #5
  6. manfromafar

    manfromafar New Member

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    The one Rj45 connector on the motherboard is for the BMC unit's IPMI. The only other nics are the 10Gb SPF+ ports.
     
    #6
  7. azev

    azev Active Member

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    I've never tried installing 1gb copper sfp on a 10gb nics, but I do know it works on most cisco switches.
     
    #7
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