Configuring Dhcp Server And Relay Settings; Dhcp Overview - Dell Networking N4000 Series Configuration Manual

Stackable layer 2 and 3 switches

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Configuring DHCP Server and Relay

This chapter describes how to configure the switch to dynamically assign

network information to hosts by using the Dynamic Host Configuration

Protocol (DHCP).

The topics covered in this chapter include:

Default DHCP Server Values

Configuring the DHCP Server (Web)

Configuring the DHCP Server (CLI)

DHCP Server Configuration Examples

DHCP Overview

DHCP is generally used between clients and servers for the purpose of

assigning IP addresses, gateways, and other network settings such as DNS and

SNTP server information.

DHCP Snooping is a security feature that monitors DHCP messages between

a DHCP client and DHCP server. It filters harmful DHCP messages and

builds a bindings database of (MAC address, IP address, VLAN ID, port)

tuples that are specified as authorized. DHCP snooping can be enabled

globally and on specific VLANs. For information about DHCP Snooping, see

"Snooping and Inspecting Traffic" on page 879.

Dell Networking switches support a DHCP client for obtaining the switch

address from the network, an IPv4 DHCP server for serving IPv4 addresses to

DHCP clients in the network, L2 and L3 DHCP relay for relaying IPv4

address assignments from network-based DHCP servers to clients in the same

or different subnets, and DHCP snooping for protecting the switch and

DHCP clients from certain security risks.

Configuring DHCP Server and Relay Settings

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