Dhcp Relay Agent

5. Configuring the FrameSaver DSL Router

DHCP Server at Remote Site Configuration Example

DHCP Server at Remote Site

Customer Premises – Remote Site

DHCP Clients

DHCP

Server

LAN	DSL	Network
		Network

FrameSaver

xDSL Router

01-16925

In this DHCP Server at the remote site example:

The DHCP clients send IP address requests to the specified DHCP server.

The router is the DHCP server and provides IP addresses to DHCP clients on

the local Ethernet segment.

This example creates a pool of 254 reusable IP addresses.

The command line syntax for this example is:

ip dhcp pool pool17

network 155.1.3.0 255.255.255.0 default-router 155.1.3.254

The router provides the capability of serving as a DHCP Relay Agent, as specified in RFC 2131, Dynamic Host Configuration Protocol. The router provides the capability to enable and disable the DHCP Relay Agent and to configure the IP address of the DHCP server to which the DHCP requests are to be sent.

The DHCP server assigns an IP address to the end-user system. When DHCP Relay is enabled, it is possible to limit the number of DHCP clients. The router’s IP Routing table and ARP table are automatically updated. The DHCP relay agent in the router should be used when there is a DHCP server at the customer’s headquarters or central site.

DHCP relay agent setup considerations include the following:

DHCP server IP address must be configured.

DHCP relay must be enabled; i.e., both the server address and the interface closest to the server are configured.

The number of DHCP clients is limited to 1–253.

DHCP server and DHCP relay functions cannot be enabled at the same time.

NAT and DHCP relay cannot be enabled at the same time.

With DHCP relay enabled, the router sends the DHCP request to the DHCP server.

9700-A2-GB20-20

December 2002

5-13

9720, 9788 specifications

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The 9128 standalone model is aimed at customers requiring an easy-to-deploy solution for point-to-point connections. This model offers critical features such as an intuitive user interface, comprehensive diagnostics, and monitoring capabilities that facilitate system management. It also supports diverse network topologies, making it suitable for various deployment scenarios.

In contrast, the 9128 carrier-mount version is engineered for organizations needing to manage multiple connections within a central office or remote site. This model is specifically designed to be mounted in standard telecom racks, optimizing space utilization while maintaining high performance. Its robust hardware allows for excellent thermal management and environmental resilience.

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Paradyne 9720, 9788 manual Dhcp Relay Agent, Dhcp Server at Remote Site Configuration Example

Models: 9720 9788

DHCP Server at Remote Site Configuration Example

DHCP Relay Agent

9720, 9788 specifications