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re0 / em0 and ect, what are the differences ?

Discussion in 'General' started by Ronaldr, Jul 13, 2009.

  1. Ronaldr

    Ronaldr New Member

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    I'm noticing that when I do a ifconfig on different systems it displays different settings some say re0 and some em0.

    I'm wondering if there is any significant difference ?
     
  2. bigrob76

    bigrob76 New Member

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    Different adapters.
    Try the following commands to see the difference...
    man re
    man em
     
  3. tangram

    tangram New Member

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    In FreeBSD the devices are name after the driver name. So re0 means that you have a RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter. em0 means that you have a Intel(R) PRO/1000 Gigabit Ethernet adapter driver.

    Have a look at each driver man page.
    re(4)
    em(4)