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HP ProCurve 6120G/XG

HP ProCurve 6120G/XG
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13
Configuring and Monitoring Port Security
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3
Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-4
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-4
Eavesdrop Prevention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-5
Disabling Eavesdrop Prevention . . . . . . . . . . . . . . . . . . . . . . . . . . 13-5
Feature Interactions When Eavesdrop Prevention is Disabled . 13-6
MIB Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-7
Blocking Unauthorized Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-7
Trunk Group Exclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-8
Planning Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-9
Port Security Command Options and Operation . . . . . . . . . . . . . . . 13-10
Port Security Display Options . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-10
Configuring Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-14
Retention of Static Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-19
MAC Lockdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-24
Differences Between MAC Lockdown and Port Security . . . . . . . . 13-26
MAC Lockdown Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . 13-27
Deploying MAC Lockdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-28
MAC Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-28
Port Security and MAC Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-31
Web: Displaying and Configuring Port Security Features . . . . . . 13-32
Reading Intrusion Alerts and Resetting Alert Flags . . . . . . . . . . . 13-32
Notice of Security Violations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-32
How the Intrusion Log Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-33
Keeping the Intrusion Log Current by Resetting Alert Flags . . . . . . 13-34
13-1

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