Avaya Configuring SNMP, BOOTP, DHCP, and RARP Services Uživatelský manuál stáhnout pdf (Strana 85)

3-1

Chapter 3

Conﬁguring DHCP Services

Using Dynamic Host Conﬁguration Protocol (DHCP), you can enable clients to

acquire permanent IP conﬁguration parameters and a temporary IP address. Refer

to this chapter for

• An overview of the DHCP protocol (see page 3-1)

• Features of the Bay Networks implementation of DHCP (see page 3-6)

• Instructions for enabling DHCP services (see page 3-6)

• Instructions for accessing and editing DHCP parameters (see page 3-7)

DHCP Overview

DHCP enables clients to obtain an IP address for a ﬁxed length of time (a lease

period) from remote servers (DHCP servers). The lease period can range from

1 minute to 99 years. When the lease period expires, the server can assign the IP

address to another client on the network. DHCP also enables clients to acquire the

IP conﬁguration parameters they need to communicate on a network.

DHCP uses the BOOTP relay agent to forward packets. The BOOTP relay agent

uses the same criteria and methods for forwarding both DHCP and BOOTP

packets. Refer to “BOOTP Relay Agent Overview” in Chapter 2 for information

about the packet relay process.

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Avaya Configuring SNMP, BOOTP, DHCP, and RARP Services Uživatelský manuál Strana 85