Avaya Configuring SNMP, BOOTP, DHCP, and RARP Services Manual de usuario descargar pdf (Pagina 63)

2-1

Chapter 2

Conﬁguring BOOTP Services

Using Bootstrap (BOOTP) services, you can arrange for diskless clients to boot

from a server on either their own or another (physical) network. Refer to this

chapter for

• An overview of the BOOTP relay agent (see page 2-1)

• Features of the Bay Networks implementation of BOOTP (see page 2-5)

• Instructions for enabling BOOTP services (see page 2-7)

• Instructions for accessing and editing BOOTP parameters (see page 2-8)

BOOTP Relay Agent Overview

BOOTP allows a diskless client to boot remotely from a server on the same

network or on a different physical network. The client broadcasts a request to boot

from a remote server. When a suitable server receives the BOOTREQUEST

packet, it responds to the client by issuing a BOOTREPLY packet. The server then

transmits the boot ﬁle to the client via a transfer protocol, such as Trivial File

Transfer Protocol (TFTP).

Figure 2-1 illustrates how BOOTP works when the client and the server are on the

same network. The client transmits a BOOTREQUEST packet to the IP limited

broadcast address (255.255.255.255). The server sends a BOOTREPLY packet to

the client. Depending on the server’s implementation, it addresses the packet to

either the limited broadcast or the client’s IP address.

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Avaya Configuring SNMP, BOOTP, DHCP, and RARP Services Manual de usuario Pagina 63