Chapter 13: Managing Network Security; Security Overview; Management Access Security - Extreme Networks Ridgeline Guide Manual

13
C H A P T E R
This chapter describes how you can use the features of Ridgeline to help you ensure the security of
your network. It covers the following topics:
Security Overview on page 189
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Management Access Security on page 189
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Using RADIUS for Ridgeline User Authentication on page 190
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Securing Management Traffic on page 192
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Securing Ridgeline Client-Server Traffic on page 194
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Monitoring Switch Configuration Changes on page 195
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Using the MAC Address Finder on page 196
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Using Alarms to Monitor Potential Security Issues on page 196
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Device Syslog History on page 197
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Network Access Security with VLANs on page 198
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Security Overview

Network security is one of the most important aspects of any enterprise-class network. Security
provides authentication and authorization for both access to the network and management access to the
network devices. Network administrators must protect their networks from unauthorized external
access as well as from internal access to sensitive company information. Extreme Networks products
incorporate multiple security features, such as IP access control lists (ACLs) and virtual LANs (VLANs),
to protect enterprise networks from unauthorized access.
Ridgeline provides multiple features that control and monitor the security features on Extreme
Networks products. Using Ridgeline, you can set up VLANs, and monitor security aspects of your
network.

Management Access Security

Along with securing the traffic on your network, you must set up your network switches to allow only
authorized access to the switch configuration and traffic monitoring capabilities. This requires securing
Ridgeline Concepts and Solutions Guide
Managing Network Security
189