Wireless IPs showing instead of wired IPs in DNS

Discussion in 'DNS Server' started by Phil, Feb 5, 2007.

  1. Phil

    Phil Guest

    Hello, I have about 10 computers that continue to have their wireless IP
    associated with the host name in DNS instead of their wired IP. Those
    machines are connected both to internal wireless and internal wired
    connections. However my own laptop is also connected to both, but in DNS
    under my host name it shows the wired IP which is what I want. I can I
    prevent the wireless IPs from showing up in DNS when there is a wired IP
    present? Ive deleted the records in the forward lookup zone, but whenever
    they are automatically re-added, they are added with the wireless IP. Its
    making communcation difficult because those not on wireless cannot
    communicate to those that are both wireless and wired because a ping of the
    host brings back the wireless IP (192.168.1.*)instead of wired IP (10.10.1.*)
    I appreciate any replies.
    Thank you.
    Phil, Feb 5, 2007
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  2. Run ipconfig /release then turn off the wireless NIC, before connecting the
    wired NIC. You should also do an ipconfig /release to de-register the
    This is a common issue with laptops because most people don't release the IP
    leases before disconnecting their cables or Wireless NICs.

    Best regards,
    Kevin D. Goodknecht Sr. [MVP]
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    Kevin D. Goodknecht Sr. [MVP], Feb 5, 2007
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  3. Phil

    Phil Guest

    What I ended up doing was running an IP scan on my network, found their
    wired IPs and then manually added that host record to DNS. Then when I try
    to ping that client its returning the wired IP address like I wanted. Thanks.
    Phil, Feb 5, 2007
  4. In
    This shouldn't be necessary if a) the users are disabling the wireless cards
    before connecting on the wired, and b) your dynamic DNS updates are working
    properly when they connect via Ethernet (as well as wireless).

    See http://www.microsoft.com/technet/community/columns/cableguy/cg0405.mspx
    Lanwench [MVP - Exchange], Feb 10, 2007
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