Avaya Configuring ATM Half-Bridge Services Manual de usuario descargar pdf (Pagina 40)

Configuring ATM Half-Bridge Services

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Next, you must configure BootP to define a forwarding path between a router and

a BootP/DHCP server on the network.

Configuring a DHCP/BootP Relay Agent

To allow the AHB router to successfully forward DHCP packets from CPE hosts

to a DHCP server on the network, you must configure a BootP relay agent on both

the unnumbered ATM/IP interface and an associated numbered interface. AHB

does this automatically when you add AHB to the ATM service record. You also

must define a forwarding path between the AHB router and a DHCP server on the

network. You establish this forwarding path using one or both of the following

methods:

• Configure one or more BootP forwarding IP interfaces on the router.

You define one IP interface to receive DHCP request packets from the remote

CPE hosts and another to transmit (broadcast) DHCP request packets to the

DHCP server.

• Configure one or more BootP preferred servers on an IP interface on the AHB

router.

You define one IP interface to receive DHCP request packets from the remote

CPE hosts and to then unicast the requests directly to the DHCP server.

Creating a BootP Relay Agent Forwarding Interfaces

You create a BootP relay agent forwarding table for the IP interfaces that you

configure to receive the incoming DHCP request packets and to forward the

outgoing DHCP request packets to the DHCP server on the network. The BootP

relay agent forwards DHCP request packets based on the IP addresses of the

interfaces in this table. For more information about configuring a forwarding

table, refer to Configuring SNMP, BootP, and DHCP Services.

Note:

Following the recommendation of the ATM Forum, virtual channel

identifiers from 0 to 31 are reserved for signaling and added functionality.

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Avaya Configuring ATM Half-Bridge Services Manual de usuario Pagina 40