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Super Micro Intelligent Switch Command Line Interface User Guide
16.3.14 option
This command sets the pool specific DHCP server option. The no form of the command deletes
the pool specific DHCP server option.
option <code (1-2147483647)> { ascii <string> | hex <Hex String> | ip
<address> }
no option <code (1-2147483647)>
Syntax Description
code - Option Code
ascii - ASCII string
hex - Hexadecimal string
ip - IP address
Mode
DHCP Pool Configuration Mode
Example
SMIS(dhcp-config) # option 19 hex f
RFC 2132 provides details about option code to option name mapping and the option length
information.
The following is the list of supported/configurable DHCP options with their corresponding option
length values
- Options 19, 20, 27, 29, 30, 31, 34, 36, 39, 46 must have length 1
- Options 12, 14, 15, 17, 18, 40, 43, 47, 64, 66, 67 must have length>=1
- Option 16 must have minimum length 4 and the value for this option must be an IP address and
Option 25 can have a length of 2 and 2*n
- Option 68 must have length 4 and the value for this option must be an IP address
- Options 1-11, 41, 42, 44, 45, 48, 49, 65, 69, 70-76 must have a length of 4 . Value for these
options must be an IP address
- Options 21, 33 must have minimum length as 8 and 8*n
- Options 0, 255, 50-60 are non-configurable options
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