2-80 Command Line Interface Commands Referenceip dhcp gen-option tag data { data_of_the_correct_format_given_data-type }This command allows you to specify the gen-option data.■ If the data-type is ascii, then any printable character■ If the data-type is hex, then an even number of hex characters (e.g. “0123456789AbcdEf”■ If the data-type is dotted-decimal, then a series of numbers between 0 and 255, separated by a period (.).IP addresses are generally represented in this form.ip dhcp gen-option tag priority { low | high }show ip dhcp gen-option tag priority { low | high }no ip dhcp gen-option tagThese commands allow you to set, display, or disable whether the default handling behavior for a particularoption should be overridden by the specified gen-option. For most options this is irrelevant, but at least thefollowing options are handled in the router outside the context of gen-options:Note: In most cases overriding the CPE default behavior is not recommended. Also, if the CPE can, but doesnot, serve an option in the above list, corresponding low-priority gen-options will be used to serve it.OPTION_SUBNETMASK 1OPTION_ROUTER 3OPTION_DNSSERVER 6OPTION_DOMAINNAME 15OPTION_BCASTADDR 28OPTION_ETHERNETENCAP 36OPTION_NTPSERVERS 42OPTION_NBNSNAMESERVERS 44OPTION_NBTCPNODETYPE 46OPTION_NBTCPSCOPE 47OPTION_LEASETIME 51OPTION_RENEWALTIME 58OPTION_REBINDINGTIME 59OPTION_VID_VENDOR_SPECIFIC (vendor identity) 125OPTION_TFTP_SERVER_ADDR 150
