Avaya Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services Manuel d'utilisateur Page 79

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114070 Rev. A 3-1
Chapter 3
Configuring BOOTP Services
BOOTP Services allows you to 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 pa
ge 3-1)
Features of the Bay Networks implementation of BOOTP (see pa
ge 3-5)
Instructions for enabling BOOTP services (see page 3-7)
Instructions for accessing and editing BOOTP parameters (see pa
ge 3-9)
BOOTP Relay Agent Overview
BOOTP (Bootstrap Protocol) 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).
F
igure 3-1 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, the server addresses the
packet to either the limited broadcast or the client’s IP address.
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