Administrator Guide

Security

Security features are supported on the I/O Aggregator.

This chapter describes several ways to provide access security to the Dell Networking system.

For details about all the commands described in this chapter, refer to the Security chapter in the Dell

PowerEdge FN I/O Aggregator Command Line Reference Guide.

Supported Modes

Standalone, PMUX, VLT, Stacking

NOTE: You can also perform some of the configurations using the Web GUI - Dell Blade IO Manager. For

more information, see the Dell Blade IO Manager Online Help.

Topics:

• Understanding Banner Settings

• Accessing the I/O Aggregator Using the CMC Console Only

• AAA Accounting

• AAA Authentication

• AAA Authorization

• RADIUS

• TACACS+

• Enabling SCP and SSH

• Telnet

• VTY Line and Access-Class Configuration

Understanding Banner Settings

This functionality is supported on the Aggregator.

A banner is a note that is displayed when you log in to the system, depending on the privilege level and the

command mode into which the you log in. You can specify different banners to be displayed as the message-

of-the-day (MOTD), as the opening quote in EXEC mode, or as the beginning message in EXEC Privilege

mode. Setting up a banner enables you to display any important information or group-level notification that

needs to be communicated to all the users of the system.

A login banner message is displayed only in EXEC Privilege mode after entering the enable command

followed by the password. These banners are not displayed to users in EXEC mode. When you connect to a

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