Avaya Configuring BOOTP Services Manual do Utilizador descarregar pdf (Página 114)

Configuring SNMP, BootP, and DHCP Services

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308644-15.1 Rev 00

Specifying Interfaces to Receive and Relay BOOTREQUEST Packets

You specify a forwarding route for BOOTREQUEST packets by defining a

relationship between an interface that you want to receive BOOTREQUEST

packets and another to transmit BOOTREQUEST packets. When you define this

type of relationship, the interface pair appears in the BootP relay agent forwarding

table.

Depending on the configuration of your network, you can specify:

• One input IP interface to forward packets to multiple output IP interfaces

• Multiple input interfaces to forward packets to multiple output interfaces

• Multiple input interfaces to forward packets to one output interface

Creating a BootP Relay Agent Forwarding Table

You must create a BootP relay agent forwarding table for every router passing

BootP traffic between a router and the BootP server.

The BootP relay agent forwarding table consists of IP interfaces that you

configure to receive the incoming BOOTREQUEST packets and to forward the

outgoing BOOTREQUEST packets. The BootP relay agent forwards

BOOTREQUEST packets based on the IP addresses of the interfaces in this table.

You can add multiple pairs of incoming and outgoing interfaces to support

connections to multiple routers in your network. For more information about

configuring a forwarding table, see Configuring IP, ARP, RARP, RIP, and OSPF

Services.

Specifying the IP Interface Input/Output Address Pair

You create the BootP relay agent forwarding table by specifying the IP interface

addresses (input and output) of the pair that you want to receive and forward

BOOTREQUEST packets. If you enter an IP address that is not configured on the

router, the notation

??? appears before the IP address (example: ???

111.111.111.111). After you configure the IP address on the router, Site

Manager replaces

???

with the appropriate address.

Do not specify an unnumbered interface for the input or output IP interface

address parameters. If you want to use an unnumbered interface to transmit

BOOTREQUEST or DHCP packets to the servers, you must set up a preferred

server (see “Configuring BootP Preferred Server

s” on page 4-21).

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Avaya Configuring BOOTP Services Manual do Utilizador Página 114