class "Polycom" {
      match if (substring(hardware,1,2) = 00:04);
}

shared-network 1-a {

  subnet 10.2.3.0 netmask 255.255.255.0 {

  option routers 10.2.3.1;
  option domain-name-servers 10.2.3.1;
  option domain-name "dhcp.disney.com";


    pool {
        allow members of "Polycom";
        option domain-name "sip.disney.com";
        option domain-name-servers 10.2.3.1;
        option ntp-servers 10.2.3.1;
        option routers 10.2.3.1;
        option tftp-server-name "10.2.3.1";
        option time-offset -28800;
        range 10.2.3.125 10.2.3.150;
    }

    pool {
        deny members of "Polycom";
        range 10.2.3.210 10.2.3.250;
    }

}