Reference Guide

992 DHCP Server and Relay Agent Commands
Parameter Description
Default Configuration
There is no default option configured.
Command Mode
DHCP Pool Configuration mode
User Guidelines
The option information must match the selected option type and length.
Options cannot be longer than 255 characters in length. The option
information is conveyed in the TLV specified by the code parameter in the
DHCP OFFER, DHCP ACK, DHCP INFORM ACK and DHCP
BOOTREPLY messages.
Figure 46-1 lists the options that can be configured and their fixed length,
minimum length, and length multiple requirements.
Parameter Description
code The DHCP TLV option code.
ascii string1 An ASCII character string. Strings with embedded blanks must
be wholly contained in quotes.
hex string1 A hexadecimal string containing the characters [0-9A-F]. The
string should not begin with 0x. A hex string consists of two
characters which are parsed to fill a single byte. Multiple values
are separated by blanks.
ip-address1 An IPv4 address in dotted decimal notation.
Figure 46-1. Option Codes and Lengths
Option Code Fixed Length Minimum Length Multiple Of
2 (Time Offset) 4 – –
4 (Time Server) – 4 4
7 (Log Server) – 4 4
8 (Cookie Server) – 4 4
9 (LPR Server)–44
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