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What means "master." in DHCP ? RRS feed

  • Question

  • Hello,

           I would like to know what is or what means a Name master. under colum "name" in "Addresss Leases" in DHCP.

           Can I delete this? In my display appears 4 ocurrences of these:

            10.xx.xx.xx   master.  date  DHCP  Mac1

            10.xx.xx.xy   master.  date  DHCP  Mac2

             ...

    Thanks in advance

    acc

     


    betocolo

    Tuesday, June 26, 2012 8:43 PM

Answers

  • Hi acc,

    Thank you for the post.

    "master" in DHCP lease does also mean name of device which have four network adapters.
    No need to delete any DHCP lease records. DHCP service will delete the stale records by itself.

    If there are more inquiries on this issue, please feel free to let us know.
     
    Regards


    Rick Tan

    TechNet Community Support

    • Marked as answer by Rick Tan Friday, June 29, 2012 4:21 AM
    Thursday, June 28, 2012 2:50 AM

All replies

  • Hi acc,

    Thank you for the post.

    "master" in DHCP lease does also mean name of device which have four network adapters.
    No need to delete any DHCP lease records. DHCP service will delete the stale records by itself.

    If there are more inquiries on this issue, please feel free to let us know.
     
    Regards


    Rick Tan

    TechNet Community Support

    • Marked as answer by Rick Tan Friday, June 29, 2012 4:21 AM
    Thursday, June 28, 2012 2:50 AM
  • Hi and thanks,

    Other questios, what means when there is IP with no name?  Like this

    I have many lines with column "name", empty.

    CLient IP adress       name       Lease expiration                         Type          Unique ID

    xx.xx.xx.xx                                6/29/2012 8:32:55PM                 DHCP         b8c75xxxxxx

    xx.yy.yy.yy                                6/29/2012 8:32:55PM                 DHCP         00335xxxxxx

    yy.yy.yy.yy                                6/29/2012 8:32:55PM                 DHCP         b8c75xxxxxx

    acc


    betocolo

    Friday, June 29, 2012 1:56 PM
  • Hi acc,

    It means devices (like iphone) are not providing DHCP with a host name. You could just filter these device by MAC address in Windows 2008 DHCP or implement 802.1x authentication to secure your network access.

    http://technet.microsoft.com/en-us/library/dd759190.aspx  

    Regards


    Rick Tan

    TechNet Community Support

    Monday, July 2, 2012 4:07 AM