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Configuring IP Addressing

Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Just Want a Quick Start with IP Addressing? . . . . . . . . . . . . . . . . . . . . 8-3

IP Addressing with Multiple VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Menu: Configuring IP Address, Gateway, and Time-To-Live (TTL) . . 8-5

CLI: Configuring IP Address, Gateway, and Time-To-Live (TTL) . . . . 8-6

Web: Configuring IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

How IP Addressing Affects Switch Operation . . . . . . . . . . . . . . . . . . . 8-11

DHCP/Bootp Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

Network Preparations for Configuring DHCP/Bootp . . . . . . . . . 8-14

Loopback Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15

Configuring a Loopback Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16

Displaying Loopback Interface Configurations . . . . . . . . . . . . . . . . . . 8-18

IP Preserve: Retaining VLAN-1 IP

Addressing Across Configuration File Downloads . . . . . . . . . . . . . . 8-20

Operating Rules for IP Preserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20

Enabling IP Preserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21

8-1

HP ProCurve Management And Configuration Guide

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