Nortel Networks 5500 series User Manual

Page 116

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116

Configuring the domain

Table 16
Configuring local DHCP services

/cfg/doamin #/dhcp

followed by:

subnet <number>

<type> <name>

<address>

<netmask>

Initiates a series of prompts that define the DHCP subnet.

number

is a unique number between 1 and 256 that you provide that the

system uses to identify the subnet. The prompt is—

Enter DHCP subnet

number (1-256):

type

is a Nortel SNAS term that defines the type of DHCP service. The

prompt is—

Select one of hub, filter and standard:

See above the table for the application of each type.

hub

: for support of network access devices that do not support

SSCP, and multiple devices on a single port.

filter

: to provide a mechanism for redirecting the client to the

corporate DNS server when the network access points are NSNA
network access points and Filters only enforcement is configured.

standard

: for standard DHCP services that conform to RFC 2131

for DHCP relayed messages.

Each type has a set of configuration options associated with it. For
information on these options, see

“Standard DHCP subnet type” (page

121)

,

“Filter DHCP subnet type” (page 120)

, or

“Hub DHCP subnet type”

(page 118)

.

name

refers to a name you provide for the subnet. The prompt is—

Set

the subnet name:

address

is the subnet address. The prompt is—

Enter subnet

network address:

netmask

is the subnet mask. The prompt is—

Enter subnet network

mask:

stdopts

Prompts you to identify and configure values for the standard DHCP options.
As a minimum, you must configure Option 3 (Default Router), Option 6
(Domain Name Server), Option 15 (Domain Name), and Option 51 (Lease
Time). When configuring Option 51 (Lease Time), the lease interval is
specified in seconds.

The values set at this level of the DHCP menus are applied globally to all
DHCP subnets and types. You are provided with the option of changing
the global values when specific DHCP settings are configured. See

“DHCP

Settings menu” (page 117)

.

Nortel Secure Network Access Switch

Using the Command Line Interface

NN47230-100

03.01

Standard

28 July 2008

Copyright © 2007, 2008 Nortel Networks

.

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