HP 4100GL Uživatelský manuál stáhnout pdf (Strana 137)

Configuring Port-Based Access Control (802.1x)

Overview

 Local authentication of 802.1x clients using the switch’s local user-

name and password (as an alternative to RADIUS authentication).

 Temporary on-demand change of a port’s VLAN membership status

to support a current client’s session. (This does not include ports that

are members of a trunk.)

 Session accounting with a RADIUS server, including the accounting

update interval.

 Use of Show commands to display session counters.

 With port-security enabled for port-access control, limit a port to one

802.1x client session at a given time.

Authenticating Users. Port-Based Access Control (802.1x) provides

switch-level security that allows LAN access only to users who enter the

authorized RADIUS username and password on 802.1x-capable clients (sup-

plicants). This simplifies security management by allowing you to control

access from a master database in a single server (although you can use up to

three RADIUS servers to provide backups in case access to the primary server

fails). It also means a user can enter the same username and password pair

for authentication, regardless of which switch is the access point into the LAN.

Note that you can also configure 802.1x for authentication through the

switch’s local username and password instead of a RADIUS server, but doing

so increases the administrative burden, decentralizes username/password

administration, and reduces security by limiting authentication to one Oper-

ator/Manager password set for all users.

Providing a Path for Downloading 802.1x Supplicant Software. For

clients that do not have the necessary 802.1x supplicant software, there is also

the option to configure the 802.1x Open VLAN mode. This mode allows you

to assign such clients to an isolated VLAN through which you can provide the

necessary supplicant software these clients need to begin the authentication

process. (Refer to

“802.1x Open VLAN Mode” on page 6-20.)

6-3

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Table des matières

User’s Manual

Contents

Safety information

About this guide

BC45Q specifications summary

BC45Q User’s Manual

Introduction

1.3 Special features

1.4 Before you proceed

1.5 Motherboard overview

1.5.3 Motherboard Layout

1.6.1 Installing the CPU

1.7 System memory

1.7.3 Installing a DIMM

1.7.4 Removing a DIMM

1.8 Expansion slots

1.8.5 PCI Express x1

1.9 Jumpers

1.10 Connectors

1.10.2 Internal connectors

BIOS Setup

2.2 BIOS setup program

2.2.2 List Box

2.2.3 Sub-menu

2.3 Main Setup

2.3.6 Power Management Setup

2.3.7 PnP/PCI Configurations

2.3.8 PC Health Status

2.3.10 Load Setup Defaults

2.3.11 Set Password

2.3.12 Save and Exit Setup

2.3.13 Exit Without Saving

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HP 4100GL Uživatelský manuál Strana 137

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