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When entering string or text type options:

• do NOT include the enclosing quotes, they will be supplied as needed,
• enter binary data as series of 2-digit hexadecimal digits separated by colons, for example: 1f:07:ab:90

For options which include sub-options (for example, often option 43), you will need to hand-construct the option value, likely using the hex digits string method described above. A string of sub-option(s) consists of one or more sequences of suboption:length:data where suboption and length are single bytes, and data is length bytes. For example, here is a string of 3 suboptions which are colored for clarity:

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If you need additional option numbers defined, please contact netreg@iastate.edu.

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