DHCPSG - supportUnlistedClients - Aix

This is a discussion on DHCPSG - supportUnlistedClients - Aix ; Hi folks, i have a question regarding the dhcpsd service Currently i would like to have a network range in the /etc/dhcspsd.cnf for unlisted client and another section where only listed client are supported. Is this possible or is the ...

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Thread: DHCPSG - supportUnlistedClients

  1. DHCPSG - supportUnlistedClients

    Hi folks,
    i have a question regarding the dhcpsd service

    Currently i would like to have a network range in the /etc/dhcspsd.cnf
    for unlisted client and another section where only listed client are
    supported.
    Is this possible or is the 'supportUnlistedClients' option in the
    /etc/dhcpsd.cnf a global variable ?

    Currently with the following configuration a client with an unknown mac
    adress gets an address from the second range - aka 10.11.1

    network 10.0.0.0 24
    subnet 10.11.2.0 255.255.255.0 10.11.2.2-10.11.2.254
    {
    supportUnlistedClients=yes
    }

    subnet 10.11.1.1 255.255.255.0 10.11.1.2-10.11.1.254
    {
    supportUnlistedClients=no
    client 1 0800AABBCCDD 10.11.1.23
    { option 12 "host1" }
    }
    }


  2. Re: DHCPSG - supportUnlistedClients

    Hajo Ehlers wrote:
    > Hi folks,
    > i have a question regarding the dhcpsd service
    >
    > Currently i would like to have a network range in the /etc/dhcspsd.cnf
    > for unlisted client and another section where only listed client are
    > supported.
    > Is this possible or is the 'supportUnlistedClients' option in the
    > /etc/dhcpsd.cnf a global variable ?
    >
    > Currently with the following configuration a client with an unknown mac
    > adress gets an address from the second range - aka 10.11.1
    >
    > network 10.0.0.0 24
    > subnet 10.11.2.0 255.255.255.0 10.11.2.2-10.11.2.254
    > {
    > supportUnlistedClients=yes
    > }
    >
    > subnet 10.11.1.1 255.255.255.0 10.11.1.2-10.11.1.254
    > {
    > supportUnlistedClients=no
    > client 1 0800AABBCCDD 10.11.1.23
    > { option 12 "host1" }
    > }
    > }


    This is global. If you don't set it to YES, it will act like bootp and the
    only supported clients are those specifically assigned in the file.

    If you have subnet with preassigned address to machines and their are gaps
    that shouldn't be assigned to other machines, you can prevent them from being
    used with "exclude" and "client 0 0" statements. They bothe accomplish the same
    thing:
    exclude 10.11.1.29 # don't assign
    client 0 0 10.11.1.30 # don't assign
    client 1 0x004304944233 10.11.1.31
    client 1 0x002104944237 10.11.1.32
    exclude 19.11.1.33 # don't assign
    client 0 0 10.11.1.34 #don't assign

  3. Re: DHCPSG - supportUnlistedClients

    Thanks for the info Sol

    regards
    Hajo


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