Syntax of the “no” form, Default, Mode – Enterasys Networks X-Pedition XSR CLI User Manual

Page 612

Advertising
background image

DHCP Commands

15-102 Configuring DHCP

Syntax of the “no” Form

Use the no form of this command to remove the options:

no option code [instance number]

Default

Default instance number: 0

Mode

Any of the following command modes are available:

DHCP pool configuration: 

XSR(config-dhcp-pool)#

DHCP host configuration: 

XSR(config-dhcp-host)#

DHCP client class configuration: 

XSR(config-dhcp-class)#

hex string

Dotted hexadecimal data. Each byte in hexadecimal character strings is two hex
digits - each byte can be separated by a period, colon, or white space. The following
options are set with a hex value: 2, 13, 19, 20, 22-27, 29-31, 34-39, 43, 46,58, 59.

ip address

Specifies an IP address. The following options are set with an IP address: 1, 3-11, 16,
21, 28, 32, 33, 41, 42, 44, 45, 48, 49, 65, 68-76, and 118.

Note: Option examples are shown following the table.

Table 15-1 XSR-Supported DHCP Options

#

Protocol
Name

Category/
Type

Default

Description

0

Pad

-

-

Causes subsequent fields to align on word boundaries.
Length: 1 octet

1

Subnet
Mask

Basic/
Address
Mask

See
descrip-
tion

Client's subnet mask (RFC-950). If both Subnet Mask and Router options are
specified in a DHCP reply, the Subnet Mask option must be expressed first.
Length: 4 octets
Default: Subnet of the interface on which the request was received

2

Time Offset BOOTP/

32-bit hex
integer (in
twos)

-

Offset of a client's subnet in seconds from Coordinated Universal Time (UTC).
Positives indicate a site east of, and negatives a site west of the zero
meridian.
Length: 4 octets

3

*

Router

Basic, MS
DHCP Client/
IP address
list

-

List of IP addresses for default routers on the client's subnet. List in order of
preference.
Length: 4-octet minimum; multiples of 4
CLI command: default-router

4

Time
Server

BOOTP/IP
address list

-

RFC-868 compliant timeservers available to a client. List in order of
preference.
Length: 4-octet minimum; multiples of 4

Advertising