DHCP Custom Vendor Class

Discussion in 'Windows Networking' started by Aaron Elliott, Jan 9, 2008.

  1. Hi all - we are trying to setup a Vendor class for our 3Com VoIP phones,
    which require option 184 to be configured with an IP address to point to the
    call processor. The issue is that this option 184 conflicts with our Wyse
    thin clients (1200LE and S10) as a password field!

    I have sniffed the DHCP from the phones and note that is uses a DHCP Vendor
    Class/Code of '3Com-Phone-3103' (without the quotes). I have setup that
    Vendor Class in the DHCP server (Windows 2003 SP2) and attached option 184 to
    it, and configured it appropriately. I have verified the value/string
    hex-value for hex-value - as per the sniff.

    Alas, the DHCP server does not respond with the option 184 information -
    which I have confirmed via Sniffer.

    Configuring option 184 in the 'normal' fashion works as expected.

    Does there need to be a Terminating Character (00) on the string maybe?

    Please help!


    Aaron Elliott, Jan 9, 2008
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  2. Aaron Elliott

    Rick Bedel Guest

    Did you get an answer on this? We are having the same problem now as well. We are getting ready to manually set an ip on all our Wyse terminals.
    Rick Bedel, Aug 10, 2010
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